ramnit | e8d2c9af9c49469ef3e657772283adcaf09c802117bb947445d34ea02407ce7a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 20:47

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General

Target

f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe
Size

92KB
MD5

f5af8e628f86e2c18e0d2848c2481b2a
SHA1

dc178aaf35752b4a2fa17209796ffc5385186e44
SHA256

e8d2c9af9c49469ef3e657772283adcaf09c802117bb947445d34ea02407ce7a
SHA512

f79ad37890e04876d686d041666a3ed047f3ec5556a22631add05ee1c6ad26e1114aa2730e8af05128239becbcec48f6df24042c0016a0007e8a03bc7abd4cbf
SSDEEP

1536:6VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:KnxwgxgfR/DVG7wBpE

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
3496	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3340-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3340-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3340-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3340-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3496-23-0x0000000000400000-0x00000000004AF000-memory.dmp	upx
behavioral2/memory/3496-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3340-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3340-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3340-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3496-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3496-34-0x0000000000400000-0x00000000004AF000-memory.dmp	upx
behavioral2/memory/3496-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3496-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px8879.tmp	f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4060	4752	WerFault.exe	84

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	f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.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 (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149874"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DFD86132-BB25-11EF-B9B6-EE8B2F3CE00B} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3035938007"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149874"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3028595025"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441060657"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3028595025"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3035938007"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149874"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149874"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe
3496	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3496	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3404	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3404	iexplore.exe
3404	iexplore.exe
3452	IEXPLORE.EXE
3452	IEXPLORE.EXE
3452	IEXPLORE.EXE
3452	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3340	f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe
3496	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3340 wrote to memory of 3496	3340	f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe	83
PID 3340 wrote to memory of 3496	3340	f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe	83
PID 3340 wrote to memory of 3496	3340	f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe	83
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 4752	3496	WaterMark.exe	84
PID 3496 wrote to memory of 3404	3496	WaterMark.exe	89
PID 3496 wrote to memory of 3404	3496	WaterMark.exe	89
PID 3496 wrote to memory of 4924	3496	WaterMark.exe	90
PID 3496 wrote to memory of 4924	3496	WaterMark.exe	90
PID 3404 wrote to memory of 3452	3404	iexplore.exe	92
PID 3404 wrote to memory of 3452	3404	iexplore.exe	92
PID 3404 wrote to memory of 3452	3404	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5af8e628f86e2c18e0d2848c2481b2a_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3340
- 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 UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3496
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 204
      4⤵
      Program crash
      PID:4060
- - 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:3404
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3404 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3452
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4752 -ip 4752
1⤵
PID:4176

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
92KB

MD5
f5af8e628f86e2c18e0d2848c2481b2a

SHA1
dc178aaf35752b4a2fa17209796ffc5385186e44

SHA256
e8d2c9af9c49469ef3e657772283adcaf09c802117bb947445d34ea02407ce7a

SHA512
f79ad37890e04876d686d041666a3ed047f3ec5556a22631add05ee1c6ad26e1114aa2730e8af05128239becbcec48f6df24042c0016a0007e8a03bc7abd4cbf

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

Filesize
471B

MD5
cda3a1245093d86501ad9761f10320fa

SHA1
9ff6b95b0a72732f8afbd9504fa640bec134b498

SHA256
eb60e5aa4327f06e072f6b97c6a52532aa55d5a5dc53e1d48ecced85da6214dc

SHA512
51abd474d484588dd1cdc5580cf28d6a5d0481a4488f1f5b8a491c4f30ecaf5ba8cffa9c9ac696358d6725c6e290e8d28d2e3984d3d55f0ae496a65bc4142a1d

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

Filesize
404B

MD5
147a6a13f4b0a04481b61435d66f2ea5

SHA1
6b4f06c4b1f7d04e760ff1fd77464bf65d703262

SHA256
ae117fbbe8fd5686a0288b1aa54e4a355b19a63bebfede3cee60f89c7522becf

SHA512
12c1793c5a7de990dbacb2a18787222402b5e3df9aeccc7d55d087dd6655b07bf1b6d497d22eac951b88c117c625be834991e8359c5ad859c334d9c787db68d3

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

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3340-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3340-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3340-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3340-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3340-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3340-7-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/3340-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3340-22-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3340-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3340-0-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3340-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3496-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3496-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3496-34-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3496-33-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/3496-32-0x0000000077632000-0x0000000077633000-memory.dmp

Filesize
4KB

Download
memory/3496-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3496-27-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download
memory/3496-28-0x0000000077632000-0x0000000077633000-memory.dmp

Filesize
4KB

Download
memory/3496-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3496-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4752-30-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/4752-31-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download