Trojan.Generic.69468 (BitDefender), TrojanDownloader:Win32/Delf.ZA (Microsoft), Trojan-Downloader.Win32.Agent.fne (Kaspersky), Trojan.DownLoader.65461 (DrWeb), probably a variant of Win32/TrojanDownloader.Agent (NOD32), Generic Downloader.x (McAfee), Downloader (Symantec), Trojan-Dropper.Agent (Ikarus), Trojan.Generic.69468 (FSecure), Downloader.Agent.VXG (AVG), Win32:Agent-QQF (Avast), TROJ_Generic.DIM (TrendMicro), Trojan.Win32.Bumat.FD, mzpefinder_pcap_file.YR, VirusParite.YR (Lavasoft MAS)Behaviour: Trojan-Dropper, Trojan-Downloader, Trojan, Virus
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: fc4d522d0194718df37ab9a324d3cb71
SHA1: a292fa44012843f67baf3ca582a2ebc3be695b29
SHA256: fe4fe2ef3a7c5a49fdded586629493ce5d002a27ced2b349a5d99dfaee96c4f9
SSDeep: 192:nDjtjvfnJis pvN9ItoiElyKeOn66peo5Ta8I4mzg5B:d7fX 5mKeOLeo5Ta8WSB
Size: 13839 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: GreatSoft
Created at: 1992-06-20 01:22:17
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):
net1.exe:736
net1.exe:1376
%original file name%.exe:456
NET.exe:1816
NET.exe:204
fservice.exe:1360
coco1.exe:1812
HelpMe.exe:516
The Trojan injects its code into the following process(es):No processes have been created.
File activity
The process fservice.exe:1360 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%WinDir%\services.exe (2105 bytes)
%WinDir%\system\sservice.exe (2105 bytes)
The Trojan deletes the following file(s):
%System%\fservice.exe (0 bytes)
%WinDir%\system\sservice.exe (0 bytes)
The process coco1.exe:1812 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%System%\HelpMe.exe (3262 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\~DF215A.tmp (0 bytes)
%System%\HelpMe.exe (0 bytes)
The process HelpMe.exe:516 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%System%\HelpMe.exe.bat (101 bytes)
%System%\fservice.exe (2105 bytes)
%WinDir%\system\sservice.exe (2105 bytes)
Registry activity
The process net1.exe:736 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "13 79 F1 0F 7B 6A 3C 0B 17 BA BF F3 F0 A0 D3 63"
The process net1.exe:1376 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B0 65 8F D8 02 61 22 4B 84 03 BF 25 16 33 A2 3A"
The process %original file name%.exe:456 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "18 6F 19 62 DD 06 0C 7A C2 7C 81 AF 80 C0 64 3E"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%]
"coco1.exe" = "coco1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"
The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
"UNCAsIntranet" = "1"
The Trojan modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
"ProxyBypass" = "1"
The process NET.exe:1816 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "BE B7 87 85 E1 D9 96 3E E9 8D 85 47 53 1D 6F A8"
The process NET.exe:204 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8D 33 DF BD 7C DC 54 9D 3D 8A CD 20 92 3D 40 90"
The process fservice.exe:1360 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "09 DD 30 7F 8F F0 68 9C 52 E4 C3 A0 1D AF 4E C8"
The process coco1.exe:1812 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D3 36 08 FF 63 E3 83 09 5D 90 83 B8 C0 0C 40 D7"
The process HelpMe.exe:516 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "FD 2C D1 DC EC DF 97 32 DA 87 D2 9A 5C 62 6D B8"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run]
"DirectX For Microsoft® Windows" = "%System%\fservice.exe"
[HKCU\Software\Microsoft\Windows NT Script Host\Microsoft DxDiag\WinSettings]
"ICQ_UIN" = ""
"LanNotifie" = ""
[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}]
"StubPath" = "%WinDir%\system\sservice.exe"
[HKCU\Software\Microsoft\Windows NT Script Host\Microsoft DxDiag\WinSettings]
"Bulas" = "1"
"Kurban_Ismi" = "whbuhl"
"XP_FW_Disable" = "1"
"XP_SYS_Recovery" = "1"
"Hata" = ""
"Port" = "4001"
"Sifre" = "032547"
"Mail" = "us`ihlnAx`inn/gs"
"ICQ_UIN2" = ""
"FW_KILL" = "1"
"Online_List" = "iuuq;..us`ihld/ushqne/bnl.bfh,cho.qsns`u/bfh"
"KSil" = "1"
The Trojan adds the reference to itself to be executed when a user logs on:
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"Shell" = "Explorer.exe %System%\fservice.exe"
Network activity (URLs)
URL | IP |
---|---|
hxxp://212.27.63.106/coco1.exe | |
hxxp://trahime.tripod.com/cgi-bin/prorat.cgi?bilgisayaradi=XP_&ipadresi=192.168.1.129&serverportu=5110&kurban=victim&servermodeli=V1.9:Fix-10&serversaati=2:51:34_AM&servertarihi=2/17/2014&serversifre=123456&islem=log | 209.202.252.50 |
mx-eu.mail.am0.yahoodns.net | 188.125.69.79 |
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):
net1.exe:736
net1.exe:1376
%original file name%.exe:456
NET.exe:1816
NET.exe:204
fservice.exe:1360
coco1.exe:1812
HelpMe.exe:516 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%WinDir%\services.exe (2105 bytes)
%WinDir%\system\sservice.exe (2105 bytes)
%System%\HelpMe.exe (3262 bytes)
%System%\HelpMe.exe.bat (101 bytes)
%System%\fservice.exe (2105 bytes) - Remove the references to the Trojan by modifying the following registry value(s) (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"Shell" = "Explorer.exe %System%\fservice.exe" - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.