HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.FAkeAlert.105 (B) (Emsisoft), Gen:Variant.FAkeAlert.105 (AdAware), GenericEmailWorm.YR (Lavasoft MAS)Behaviour: Trojan, Worm, EmailWorm
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 78c606591d56627c9e39601c8b40b52b
SHA1: d044a24b124852d0267e74e8bbd06217b000e68a
SHA256: 29ef5770782e1fcecd43ae2617a8aec0c14ff238fd622c27c75f3c06cc90af23
SSDeep: 49152:IZ500C7QmSSFhHIZ518cxAFvjuGWugpj4xnWzFUM:IZ500CE7SroZ5 cxKCExnWZ
Size: 2104320 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-12-01 18:31:17
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
Behaviour | Description |
---|---|
EmailWorm | Worm can send e-mails. |
Process activity
The Trojan creates the following process(es):
%original file name%.exe:596
The Trojan injects its code into the following process(es):
FGW.exe:528
File activity
The process %original file name%.exe:596 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\ipconfig.exe (27 bytes)
%Documents and Settings%\All Users\Application Data\SOITBB\FGW.01 (81 bytes)
%Documents and Settings%\All Users\Application Data\SOITBB\FGW.00 (2 bytes)
%Documents and Settings%\All Users\Application Data\SOITBB\FGW.exe (15021 bytes)
%Documents and Settings%\All Users\Application Data\SOITBB\FGW.02 (56 bytes)
Registry activity
The process %original file name%.exe:596 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "17 DB 08 4D C1 55 65 B2 9E 33 5B 5D 10 E4 67 6B"
[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\ShellNoRoam\MUICache\c:]
"ipconfig.exe" = "IP Configuration Utility"
[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\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"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\All Users\Application Data\SOITBB]
"FGW.exe" = "FGW"
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 the proxy to the Intranet Zone:
"ProxyBypass" = "1"
The process FGW.exe:528 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "FA 48 D8 39 2C 01 B9 7A 70 E3 D0 AC FD 8F C7 3B"
[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 Trojan adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"FGW Start" = "%Documents and Settings%\All Users\Application Data\SOITBB\FGW.exe"
Dropped PE files
MD5 | File path |
---|---|
727c21f8a717c670dc58ea5d4320830d | c:\Documents and Settings\All Users\Application Data\SOITBB\FGW.01 |
93cc3e34cd1ceb2caa86f813d2dc9d58 | c:\Documents and Settings\All Users\Application Data\SOITBB\FGW.02 |
e99ee761b237906d42a9236368f2fe01 | c:\Documents and Settings\All Users\Application Data\SOITBB\FGW.exe |
cabb20e171770ff64614a54c1f31c033 | c:\ipconfig.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 | 4.81454 | 7e7b96c807773399fa6a6c21cd4257fb |
.rdata | 45056 | 9232 | 9728 | 3.72958 | 88e41e43a2075dc0bf713901dd97f9a1 |
.data | 57344 | 8032 | 3584 | 1.58991 | d4668da877d58af66239b78e3837253f |
.rsrc | 65536 | 2044264 | 2044416 | 5.31377 | 7ba8580d6ecae59df73ae3506b7f3031 |
.reloc | 2113536 | 4752 | 5120 | 2.51389 | e14723b14bb31fadb863bc2e41889811 |
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
FGW.exe_528:
.text
.text
`.rdata
`.rdata
@.data
@.data
.rsrc
.rsrc
udPh07Y
udPh07Y
PSSSSSSh
PSSSSSSh
PSSSSSSh!
PSSSSSSh!
vSSSh
vSSSh
FTPjK
FTPjK
FtPj;
FtPj;
C.PjRV
C.PjRV
tGHt.Ht&
tGHt.Ht&
.EKSWU
.EKSWU
FTPG
FTPG
FTPj
FTPj
FtPS
FtPS
=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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