ramnit | 713baf2ec55a14db2f2d30ba3729a24100ef2bdfcb2cd3b9bda4b2dbc35105d6

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 05:04

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General

Target

JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe
Size

73KB
MD5

482aef37f51ece3e4253bd0360fd3b31
SHA1

b22a1a190c698226aa868ec4901f841ea224e77f
SHA256

713baf2ec55a14db2f2d30ba3729a24100ef2bdfcb2cd3b9bda4b2dbc35105d6
SHA512

e2dafb7822b912a5afae72cce2de18ae10acd6c0b83f40a4d0d21b72a63cc1dc7e8ec908b05f267af730d53b836c42863b51d55abdb98db2ebffe48cf58d2065
SSDEEP

768:JQxkwifBsIqHpcrkMEYEhA7P4RhAtmaZFb79U9MKAjBEig6/1k21m3uHRdMNDj2Y:J8kwilTEhU4HDa1KkjWXUa21mc/Mue9

Score

10^/10

ramnit banker discovery spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
2456	WaterMark.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4448-1-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4448-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2456-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2456-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2456-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2456-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2456-19-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px63BB.tmp	JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3536	3256	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153162"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3312668685"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3313294194"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3313294194"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442472869"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153162"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3312668685"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153162"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F05956B8-C7FD-11EF-AF2A-5227CD58F2D9} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153162"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe
2456	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4220	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4220	iexplore.exe
4220	iexplore.exe
3104	IEXPLORE.EXE
3104	IEXPLORE.EXE
3104	IEXPLORE.EXE
3104	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 2456	4448	JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe	84
PID 4448 wrote to memory of 2456	4448	JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe	84
PID 4448 wrote to memory of 2456	4448	JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe	84
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 3256	2456	WaterMark.exe	85
PID 2456 wrote to memory of 4220	2456	WaterMark.exe	90
PID 2456 wrote to memory of 4220	2456	WaterMark.exe	90
PID 2456 wrote to memory of 4712	2456	WaterMark.exe	91
PID 2456 wrote to memory of 4712	2456	WaterMark.exe	91
PID 4220 wrote to memory of 3104	4220	iexplore.exe	93
PID 4220 wrote to memory of 3104	4220	iexplore.exe	93
PID 4220 wrote to memory of 3104	4220	iexplore.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_482aef37f51ece3e4253bd0360fd3b31.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3256
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 204
      4⤵
      Program crash
      PID:3536
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4220
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4220 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3104
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3256 -ip 3256
1⤵
PID:4484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
73KB

MD5
482aef37f51ece3e4253bd0360fd3b31

SHA1
b22a1a190c698226aa868ec4901f841ea224e77f

SHA256
713baf2ec55a14db2f2d30ba3729a24100ef2bdfcb2cd3b9bda4b2dbc35105d6

SHA512
e2dafb7822b912a5afae72cce2de18ae10acd6c0b83f40a4d0d21b72a63cc1dc7e8ec908b05f267af730d53b836c42863b51d55abdb98db2ebffe48cf58d2065

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
febff5e5b64433316ee5f116c5c14309

SHA1
55a533777edeed0d18304f073d59d5ca1e5c7737

SHA256
888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

SHA512
cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
b309a09b957da1693ee9f4ca1dabb789

SHA1
b7f538254cbd840d7ee79617e97e680e2263ec0e

SHA256
8522985a2f5902f7e35ba81e39ba7466c777b172e3a33f7fb166b37b7a7180a3

SHA512
ccf5ee5895dade8c2b5dd1f2a9e6fe92ee4eecd74f5fa1df5eccbdfe048665327fd767a5797b33ffe660facf1506504a5f71fb657c6904ec65d4f0c51ca2ac69

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verEB1B.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2456-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2456-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2456-10-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2456-15-0x0000000076F02000-0x0000000076F03000-memory.dmp

Filesize
4KB

Download
memory/2456-16-0x00000000024D0000-0x00000000024D1000-memory.dmp

Filesize
4KB

Download
memory/2456-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2456-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2456-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3256-14-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/3256-13-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/4448-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4448-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4448-1-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download