ramnit | 4d54b464e7ff04cabbc1d60a2e2a5ba8a389ae1047dc4a393f47a5d2e02344d4

Analysis

max time kernel
129s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
26/06/2024, 22:53

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General

Target
13c643fe460a588f2fbeab76560a0350_JaffaCakes118.dll
Size 132KB
Sample240626-2vbsdsydpb
SHA256 4d54b464e7ff04cabbc1d60a2e2a5ba8a389ae1047dc4a393f47a5d2e02344d4
MD5 13c643fe460a588f2fbeab76560a0350
SHA1 e9ff7dfd991de9c1f75dd5b626f38746dadc85b6
SHA512 3781ce3abb0c9a1ae2c03a66a11f747a7e043d794c03afcde8eee66d98702fd9164607dbee52aba85c3943c6bf64243d98598619c5b5eafa2ae6377d4e32d1fb
SSDEEP 3072:7o6nwLqrSa4I+VCUgVr9kYaQBqaFM2oVhyAn1+z:06ungVrwwM2uf1i
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
2124	regsvr32mgr.exe
540	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2124-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2124-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2124-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2124-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2124-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2124-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2124-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/540-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px3633.tmp	regsvr32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	3816	WerFault.exe	85

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3348501121"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115291"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F31710F2-340E-11EF-86EC-76F2F43DF388} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\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-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3346625703"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115291"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3348501121"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3346625703"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115291"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115291"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426207403"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe
540	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1192	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1192	iexplore.exe
1192	iexplore.exe
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2124	regsvr32mgr.exe
540	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 2944	3920	regsvr32.exe	82
PID 3920 wrote to memory of 2944	3920	regsvr32.exe	82
PID 3920 wrote to memory of 2944	3920	regsvr32.exe	82
PID 2944 wrote to memory of 2124	2944	regsvr32.exe	83
PID 2944 wrote to memory of 2124	2944	regsvr32.exe	83
PID 2944 wrote to memory of 2124	2944	regsvr32.exe	83
PID 2124 wrote to memory of 540	2124	regsvr32mgr.exe	84
PID 2124 wrote to memory of 540	2124	regsvr32mgr.exe	84
PID 2124 wrote to memory of 540	2124	regsvr32mgr.exe	84
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 3816	540	WaterMark.exe	85
PID 540 wrote to memory of 1192	540	WaterMark.exe	94
PID 540 wrote to memory of 1192	540	WaterMark.exe	94
PID 540 wrote to memory of 3288	540	WaterMark.exe	95
PID 540 wrote to memory of 3288	540	WaterMark.exe	95
PID 1192 wrote to memory of 1988	1192	iexplore.exe	96
PID 1192 wrote to memory of 1988	1192	iexplore.exe	96
PID 1192 wrote to memory of 1988	1192	iexplore.exe	96

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\13c643fe460a588f2fbeab76560a0350_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\13c643fe460a588f2fbeab76560a0350_JaffaCakes118.dll
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2124
  - - 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:540
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:3816
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3816 -s 204
        6⤵
        Program crash
        
        PID:2676
    - - 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:1192
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1192 CREDAT:17410 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1988
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:3288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3816 -ip 3816
1⤵
PID:1276

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

verB92E.tmp

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verB92E.tmp
Size 15KB
SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
MD5 1a545d0052b581fbb2ab4c52133846bc
SHA1 62f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA512 bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
SSDEEP 384:79Jv9DF9/C9qc9/J9V791T9TK9Xf9Nm9xQ95a9BR9fV:79Jv9DF9/C9qc9/J9V791T9TK9Xf9NmT
MD5 SHA1 SHA512 SSDEEP

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GU2A83AM\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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regsvr32mgr.exe

Path C:\Windows\SysWOW64\regsvr32mgr.exe
Size 96KB
SHA256 528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3
MD5 8c51fd9d6daa7b6137634de19a49452c
SHA1 db2a11cca434bacad2bf42adeecae38e99cf64f8
SHA512 b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837
SSDEEP 768:L06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9f:ZR0vxn3Pc0LCH9MtbvabUDzJYWu3Bg
MD5 SHA1 SHA512 SSDEEP

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memory/540-35-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

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memory/540-36-0x0000000000070000-0x0000000000071000-memory.dmp

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memory/540-38-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/540-37-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/540-27-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/540-28-0x0000000000430000-0x0000000000431000-memory.dmp

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memory/540-32-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/540-30-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

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memory/540-29-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2124-10-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2124-12-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2124-13-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2124-14-0x00000000008C0000-0x00000000008C1000-memory.dmp

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memory/2124-9-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2124-6-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2124-7-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2124-8-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/2124-5-0x0000000000400000-0x0000000000435000-memory.dmp

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memory/2944-0-0x0000000000600000-0x0000000000624000-memory.dmp

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memory/3816-33-0x00000000008A0000-0x00000000008A1000-memory.dmp

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memory/3816-34-0x0000000000880000-0x0000000000881000-memory.dmp

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