HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.FAkeAlert.105 (B) (Emsisoft), Gen:Variant.FAkeAlert.105 (AdAware), SpyTool.Win32.Ardamax.FD, GenericEmailWorm.YR (Lavasoft MAS)Behaviour: Trojan, Worm, EmailWorm, SpyTool
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: ecc44574ff100fffe0dac6fa6815ea2e
SHA1: 771eb74eb59815d2656fc84fa2c52e39b4835b3f
SHA256: 1623a2d0f2dff4bb0f2c32a2df5fff5e404e8b9553eca479d8f1b5c7909152bc
SSDeep: 49152:SrM1d98zncx KdyWT8nIXtnSHQCBAgntIXtDVdQ:Sred98r/EtSHQYAgnqFVq
Size: 2081280 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: pinstaller
Created at: 2013-10-10 15:18:52
Analyzed on: WindowsXP SP3 32-bit
Summary: SpyTool. A program used to apply passive protection methods to spyware, such as obfuscation, encryption or polymorphism. The original malicious program is usually encrypted/compressed and stored inside the wrapper.
Dynamic Analysis
Payload
Behaviour | Description |
---|---|
EmailWorm | Worm can send e-mails. |
Process activity
The SpyTool creates the following process(es):
%original file name%.exe:828
The SpyTool injects its code into the following process(es):
SBT.exe:232
File activity
The process %original file name%.exe:828 makes changes in the file system.
The SpyTool creates and/or writes to the following file(s):
%Documents and Settings%\All Users\Application Data\NUCNOV\SBT.00 (2 bytes)
%Documents and Settings%\All Users\Application Data\NUCNOV\SBT.01 (81 bytes)
%Documents and Settings%\All Users\Application Data\NUCNOV\SBT.02 (56 bytes)
%Documents and Settings%\All Users\Application Data\NUCNOV\SBT.exe (15021 bytes)
Registry activity
The process SBT.exe:232 makes changes in the system registry.
The SpyTool creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "FA 2E E4 77 AD 5C AE 23 9F 29 6F 32 8F 18 28 72"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Programs" = "%Documents and Settings%\All Users\Start Menu\Programs"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
To automatically run itself each time Windows is booted, the SpyTool adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"SBT Start" = "%Documents and Settings%\All Users\Application Data\NUCNOV\SBT.exe"
The process %original file name%.exe:828 makes changes in the system registry.
The SpyTool creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "30 BC F4 9B DD 29 C9 47 50 C1 BF A5 61 81 BA 4C"
[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"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[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\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\All Users\Application Data\NUCNOV]
"SBT.exe" = "SBT"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The SpyTool 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 SpyTool 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 SpyTool modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:
"ProxyBypass" = "1"
Dropped PE files
MD5 | File path |
---|---|
2d3d2d84ad552e325b9fc05088717816 | c:\Documents and Settings\All Users\Application Data\NUCNOV\SBT.01 |
a5d03fa42bbc61b83633f48e116a0903 | c:\Documents and Settings\All Users\Application Data\NUCNOV\SBT.02 |
9bad0b2edb4dbb8cbba993d3192fa70c | c:\Documents and Settings\All Users\Application Data\NUCNOV\SBT.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
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 | 40340 | 40448 | 4.8235 | 261de96c442d72db74f13788a5a09cf6 |
.rdata | 45056 | 9232 | 9728 | 3.72958 | 88e41e43a2075dc0bf713901dd97f9a1 |
.data | 57344 | 8032 | 3584 | 1.58991 | d4668da877d58af66239b78e3837253f |
.rsrc | 65536 | 2021328 | 2021376 | 5.31152 | 76c772569a6139f91e1e66104d60487c |
.reloc | 2088960 | 4752 | 5120 | 2.51899 | b0010ab1a43e078069f1c623ab2001a7 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
Strings from Dumps
SBT.exe_232:
.text
.text
`.rdata
`.rdata
@.data
@.data
.rsrc
.rsrc
udPh
udPh
PSSSSSSh
PSSSSSSh
PSSSSSSh!
PSSSSSSh!
YYhl%S
YYhl%S
YYhX%S
YYhX%S
t/hL%S
t/hL%S
t2h@%S
t2h@%S
vSSSh
vSSSh
FTPjK
FTPjK
FtPj;
FtPj;
C.PjRV
C.PjRV
tGHt.Ht&
tGHt.Ht&
.EKSWU
.EKSWU
FTPG
FTPG
FTPj
FTPj
FtPS
FtPS
H%XLU
H%XLU
H%XMU
H%XMU
=KNILw.tT=RCNEw
=KNILw.tT=RCNEw
_0 _8 _4;_,
_0 _8 _4;_,
SHA1 block transform for x86, CRYPTOGAMS by <appro></appro>
SHA1 block transform for x86, CRYPTOGAMS by <appro></appro>
SHA256 block transform for x86, CRYPTOGAMS by <appro></appro>
SHA256 block transform for x86, CRYPTOGAMS by <appro></appro>
DlSHA512 block transform for x86, CRYPTOGAMS by <appro></appro>
DlSHA512 block transform for x86, CRYPTOGAMS by <appro></appro>
Montgomery Multiplication for x86, CRYPTOGAMS by <appro></appro>
Montgomery Multiplication for x86, CRYPTOGAMS by <appro></appro>
6-9'6-9'
6-9'6-9'
$6.:$6.:
$6.:$6.:
*?#1*?#1
*?#1*?#1
>8$4,8$4,
>8$4,8$4,
AES for x86, CRYPTOGAMS by <appro></appro>
AES for x86, CRYPTOGAMS by <appro></appro>
Camellia for x86 by <appro></appro>
Camellia for x86 by <appro></appro>
RC4 for x86, CRYPTOGAMS by <appro></appro>
RC4 for x86, CRYPTOGAMS by <appro></appro>
FRegDeleteKeyExW
FRegDeleteKeyExW
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