ramnit | a61941323d0c15a0ac33000a8c156e2058a40a6e2afe99df4b06079ec88a3c18

Analysis

max time kernel
142s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/06/2024, 10:21

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General

Target
11a8ec571084da7527bbaff590961961_JaffaCakes118.dll
Size 100KB
Sample240626-mdrd7asfpr
SHA256 a61941323d0c15a0ac33000a8c156e2058a40a6e2afe99df4b06079ec88a3c18
MD5 11a8ec571084da7527bbaff590961961
SHA1 845e37c92f1331c500c8d9296383a594b94a7b21
SHA512 5cb1788e4cd44f752eb8a4757d83e17fb8651edd0b1512db9926ae469118dd4b7a3c079c9e489a9ce08d74a3badae3962d5991d9b566109de871b557ec434bd4
SSDEEP 3072:5ibTTp78CcWi4KygA/EY9Y6wsYaHyGWN8eV9lwOz4hv:KT14ikAR9Y6wZG8P9lwgW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ramnit banker 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

Executes dropped EXE 2 IoCs

pid	Process
4896	rundll32mgr.exe
4204	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4896-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4896-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4896-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4896-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4896-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4896-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4896-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4204-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4204-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4204-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxCFB.tmp	rundll32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1200	1308	WerFault.exe	91
5064	1688	WerFault.exe	95

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426162271"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115186"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3004444948"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2947257408"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115186"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2947257408"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DAC3A989-33A5-11EF-B9F7-4640DA9D21C7} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115186"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe
4204	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1424	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1424	iexplore.exe
1424	iexplore.exe
1396	IEXPLORE.EXE
1396	IEXPLORE.EXE
1396	IEXPLORE.EXE
1396	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4896	rundll32mgr.exe
4204	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 1308	636	rundll32.exe	91
PID 636 wrote to memory of 1308	636	rundll32.exe	91
PID 636 wrote to memory of 1308	636	rundll32.exe	91
PID 1308 wrote to memory of 4896	1308	rundll32.exe	92
PID 1308 wrote to memory of 4896	1308	rundll32.exe	92
PID 1308 wrote to memory of 4896	1308	rundll32.exe	92
PID 4896 wrote to memory of 4204	4896	rundll32mgr.exe	93
PID 4896 wrote to memory of 4204	4896	rundll32mgr.exe	93
PID 4896 wrote to memory of 4204	4896	rundll32mgr.exe	93
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1688	4204	WaterMark.exe	95
PID 4204 wrote to memory of 1424	4204	WaterMark.exe	100
PID 4204 wrote to memory of 1424	4204	WaterMark.exe	100
PID 4204 wrote to memory of 2912	4204	WaterMark.exe	101
PID 4204 wrote to memory of 2912	4204	WaterMark.exe	101
PID 1424 wrote to memory of 1396	1424	iexplore.exe	102
PID 1424 wrote to memory of 1396	1424	iexplore.exe	102
PID 1424 wrote to memory of 1396	1424	iexplore.exe	102

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11a8ec571084da7527bbaff590961961_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\11a8ec571084da7527bbaff590961961_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:4896
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:4204
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:1688
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 208
        6⤵
        Program crash
        
        PID:5064
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1424
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1424 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1396
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:2912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1308 -s 608
    3⤵
    - Program crash
    PID:1200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1308 -ip 1308
1⤵
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1688 -ip 1688
1⤵
PID:4168

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 28766e681bf500e9cddbcd3275cd898c4165354ad087c2461d9ee374a7e2221e
MD5 5f0847e5a15af2d7923393c3cd30c5d1
SHA1 326c44f2bc29ec6578a400d6d46361efcb013540
SHA512 a83751183cd1f2ac063a0077f8edfaecda72a4649437070c83f88151c822ff42d43fb8a291c123af2598e10d15cbdc147cef353b2149baca9462fb02e3d67a06
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 526dba8aba1874d5ddafed630f2ac4dde00d5fbc6c60a88820c1cf8fd1a888a5
MD5 99a3f3beaab9d5e261754ba9a872ffcb
SHA1 64169550a0d9ab3945003a5a29224cc542bd819c
SHA512 3ea1dc70b5e4858d2fb15929f146ef45d596afc885acc4ef784c2e68f783e09939fa8d9d6141ebd6d3ebcb2d7c46b8809d03a9c10ba9a979ef4892ab691c8de4
MD5 SHA1 SHA512

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

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rundll32mgr.exe

Path C:\Windows\SysWOW64\rundll32mgr.exe
Size 60KB
SHA256 33c4b715dc8b183dff9aac65cc42c7f2c70658580b8e3d449878251482a5d906
MD5 cd963c64ad0bea4ca85a4819f6eefed1
SHA1 d9cd6316cf3c6ce5ceec9694c2debc7b7981775f
SHA512 f7cd12c57eff3acf7c89b0e7b55dfa81623618a65d6c49b490c199cfe63ae9e858f2681c8ef1425d1e4b25f7b0bbd6d4a9d9788956c23f52fece3d5d79b5907e
SSDEEP 1536:oxf0u7YnqMGGGMZZZyVb1t9e4GNqBvrPzO7/YiMIATcjiW:oxf026qbJ1y4GNq5jz+/YiMaN
MD5 SHA1 SHA512 SSDEEP

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memory/1308-37-0x000000006D080000-0x000000006D099000-memory.dmp

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memory/1308-0-0x000000006D080000-0x000000006D099000-memory.dmp

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memory/1688-34-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

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memory/1688-33-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

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memory/4204-36-0x0000000000070000-0x0000000000071000-memory.dmp

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memory/4204-35-0x00000000778E2000-0x00000000778E3000-memory.dmp

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memory/4204-39-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4204-38-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4204-29-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4204-30-0x0000000000060000-0x0000000000061000-memory.dmp

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memory/4204-31-0x00000000778E2000-0x00000000778E3000-memory.dmp

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memory/4896-10-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4896-11-0x0000000000870000-0x0000000000871000-memory.dmp

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memory/4896-6-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4896-12-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4896-13-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4896-21-0x0000000000401000-0x0000000000405000-memory.dmp

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memory/4896-15-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4896-7-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4896-8-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/4896-5-0x0000000000401000-0x0000000000405000-memory.dmp

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