Gen:Variant.Kazy.53973 (BitDefender), Backdoor:Win32/Cycbot.B (Microsoft), HEUR:Backdoor.Win32.Generic (Kaspersky), Trojan.Win32.Encpk.aco (v) (VIPRE), BackDoor.Gbot.2017 (DrWeb), Gen:Variant.Kazy.53973 (B) (Emsisoft), BackDoor-EXI.gen.ag (McAfee), Backdoor.Cycbot!gen10 (Symantec), Backdoor.Win32.Cycbot (Ikarus), Gen:Variant.Kazy.53973 (FSecure), Win32/Cryptor (AVG), Win32:Cycbot-RO [Trj] (Avast), TROJ_FORUCON.BMC (TrendMicro), Gen:Variant.Kazy.53973 (AdAware), Backdoor.Win32.Cycbot.FD, Trojan.Win32.Alureon.FD, Trojan.Win32.Swrort.3.FD, BackdoorCycbot.YR (Lavasoft MAS)Behaviour: Trojan, Backdoor
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 84c3c22ba70e755ee63d2b2aeeeb6359
SHA1: f213fbae85df6d85166d3c255c8796bae9851197
SHA256: c13a4017e4c632ea82ac3133678bde4ecde7764ae507c6d4d86eb4034baad497
SSDeep: 6144:vh Nhnk0hzJQ0zhTWqBH861PDlxHJteP:sTk6JplzBH8MPDzHJEP
Size: 280064 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2005-11-18 17:51:31
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
msiexec.exe:896
%original file name%.exe:1716
%original file name%.exe:1196
The Trojan injects its code into the following process(es):
8.tmp:1228
%original file name%.exe:484
File activity
The process %original file name%.exe:484 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\649C6\6249.49C (2301 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\desktop.ini (67 bytes)
%Program Files%\LP\4566\8.tmp (103936 bytes)
%System%\config\SOFTWARE (102400 bytes)
%System%\config\software.LOG (25600 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Program Files%\LP\4566\C29.exe (566272 bytes)
%Program Files%\LP\4566\9.exe (1415 bytes)
%System%\config (28672 bytes)
The Trojan deletes the following file(s):
%Program Files%\LP\4566\9.exe (0 bytes)
Registry activity
The process 8.tmp:1228 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3D 32 5D F5 50 27 B7 9F 59 1D 83 54 B8 3D F1 B5"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKLM\SOFTWARE\Microsoft\Direct3D\MostRecentApplication]
"Name" = "8.tmp"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65324"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65324"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65324"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65324"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
[HKCU\Software\WinRAR]
"HWID" = "7B 44 33 36 42 33 31 41 30 2D 31 35 42 37 2D 34"
The process msiexec.exe:896 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "50 23 B0 02 05 5E C4 06 BC EB 7C 1A 73 69 03 3B"
The process %original file name%.exe:484 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65324"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 2F 00 00 00 03 00 00 00 14 00 00 00"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "1"
[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65324"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyServer" = "http=127.0.0.1:58283"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65324"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B6 93 18 C6 B4 A4 17 31 EE 2B B9 BD 3B 2F 10 5D"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKLM\SOFTWARE\Microsoft\Direct3D\MostRecentApplication]
"Name" = "%original file name%.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65324"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"DefaultConnectionSettings" = "3C 00 00 00 03 00 00 00 03 00 00 00 14 00 00 00"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"C29.exe" = "%Program Files%\LP\4566\C29.exe"
Automatic startup of the following service is disabled:
[HKLM\System\CurrentControlSet\Services\wscsvc]
"Start" = "3"
The Trojan deletes the following value(s) in system registry:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyOverride"
The process %original file name%.exe:1716 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2E D5 FA 53 67 A5 5C 62 A0 E4 EC FF 81 ED B1 59"
[HKLM\SOFTWARE\Microsoft\Direct3D\MostRecentApplication]
"Name" = "%original file name%.exe"
The process %original file name%.exe:1196 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "59 12 C2 FE F9 B8 50 8B C8 D6 0D 85 4D AA 5F C8"
[HKLM\SOFTWARE\Microsoft\Direct3D\MostRecentApplication]
"Name" = "%original file name%.exe"
Network activity (URLs)
| URL | IP |
|---|---|
| hxxp://a26.ms.akamai.net/msdownload/update/v3/static/trustedr/en/authrootseq.txt | |
| hxxp://a26.ms.akamai.net/msdownload/update/v3/static/trustedr/en/authrootstl.cab | |
| hxxp://freedownload3.com/screenshot/4/s/89_3276.gif?sv=820&tq=gJ4WK/SUh7TFl0R8oY+QtMWTUj26kJH7yZJTNbqVybhqtUn5CGFATA== | 114.207.112.26 |
| hxxp://xvqj.remindmeroster.com/logo.png?sv=663&tq=gL5HtzoYwLzEpUb5fU3HxcW2D/06EsazybMRtyFZ0umG8Ar0SsSA/gSoSEU= | 69.43.161.170 |
| hxxp://xvqj.remindmeroster.com/logo.png?sv=624&tq=gKZEtzoYwLzEvUb5dQzRsrCqAvwlTca3l74EgC5OjrPGpgfib1XFp5zpRPksUt+A/gSoSEU= | |
| hxxp://TRANSERSDATAFORME.COM/gate.php | |
| hxxp://2js.cloudstorepro.com/logo.png?sv=180&tq=gKZEtzoYwLzEvUb5dQzRsrCqAvwlTca3l74EgC9OjrPGpgfib1XFp5zpRPksUt+A/gSoSEU= | 208.73.211.230 |
| plllyflsyw.grizlybigtit.com | 69.43.161.170 |
| www.download.windowsupdate.com | 92.123.155.155 |
| transersdataforme.com | 192.155.89.148 |
IDS verdicts
Dropped PE files
| MD5 | File path |
|---|---|
| 29c0a1942c5efa556fcf06cdb27e6b43 | c:\Program Files\LP\4566\8.tmp |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:1716
%original file name%.exe:1196 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\649C6\6249.49C (2301 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\desktop.ini (67 bytes)
%Program Files%\LP\4566\8.tmp (103936 bytes)
%System%\config\SOFTWARE (102400 bytes)
%System%\config\software.LOG (25600 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Program Files%\LP\4566\C29.exe (566272 bytes)
%Program Files%\LP\4566\9.exe (1415 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"C29.exe" = "%Program Files%\LP\4566\C29.exe" - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.
Static Analysis
VersionInfo
No information is available.
No information is available.
PE Sections
| Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
|---|---|---|---|---|---|
| .text | 4096 | 126021 | 126464 | 5.29814 | 68739e1aea847b2112460abd76e76f13 |
| .rdata | 131072 | 140740 | 1536 | 3.83196 | 3700a309cd06a83019fa283905d1e480 |
| .data | 274432 | 150280 | 150528 | 5.51027 | 14335147c2062255bcd069c51d817e69 |
| .rsrc | 425984 | 4096 | 512 | 0.612085 | bd15c76535aedd14bc4b2754a3f0cf36 |
Network Activity
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Map
Strings from Dumps
%original file name%.exe_484:
%original file name%.exe_484:
%original file name%.exe_484:
%original file name%.exe_484:
%original file name%.exe_484:
%original file name%.exe_484:
%original file name%.exe_484_rwx_0015D000_00001000:
%original file name%.exe_484_rwx_0015D000_00001000:
%original file name%.exe_484_rwx_00400000_00067000:
%original file name%.exe_484_rwx_00400000_00067000:
%original file name%.exe_484_rwx_00400000_00067000:
%original file name%.exe_484_rwx_00400000_00067000:
%original file name%.exe_484_rwx_00400000_00067000:
%original file name%.exe_484_rwx_00400000_00067000:
msiexec.exe_896:
msiexec.exe_896:
msiexec.exe_896:
msiexec.exe_896:
8.tmp_1228:
8.tmp_1228:
8.tmp_1228_rwx_0015D000_00001000:
8.tmp_1228_rwx_0015D000_00001000:
8.tmp_1228_rwx_00400000_00015000:
8.tmp_1228_rwx_00400000_00015000: