ramnit | 819d1c4fe22e63bb9354a5f988b7595f8ed9b4657cbb88cb0a0a5a7f9fe42c4b

Analysis

max time kernel
149s
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, 04:25

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General

Target
JaffaCakes118_470e48e694a15580ce8a760a4b2426c0.dll
Size 100KB
Sample250101-e13fzavkcx
SHA256 819d1c4fe22e63bb9354a5f988b7595f8ed9b4657cbb88cb0a0a5a7f9fe42c4b
MD5 470e48e694a15580ce8a760a4b2426c0
SHA1 7cd9b30cd569c1fdc4b81182fa2c5c12412b7c29
SHA512 f5c9e726c2b06104b77338732e18b3575bffd927b7d0c2f7bc313c4426c3298c9dea425271956d1d8d3dbfe41e8e9ded3c8c8e31c7e81cf770c439ce151e1a94
SSDEEP 1536:tyZYcdznGFrLABVjbPuOaUJelpx6EXqcudY3khbQdUUFPB9SsDmo71X/KYHd:yre3ABVjbPuOadx6HoVD59Ss60dyYHd
MD5 SHA1 SHA512 SSDEEP

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 2 IoCs

pid	Process
2744	rundll32Srv.exe
3224	DesktopLayer.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b17-3.dat	upx
behavioral2/memory/2744-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2744-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3224-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3224-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px6D60.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2256	1472	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32Srv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 32 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\LastUpdateLowDateTime = "1009394634"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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\LastUpdateHighDateTime = "31153157"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager	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
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153157"	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\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\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1009394634"	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
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\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1007362369"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1007362369"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153157"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442470492"	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 (data)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153157"	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
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\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{678E84EB-C7F8-11EF-B9B6-E24E87F0D14E} = "0"	iexplore.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
3224	DesktopLayer.exe
3224	DesktopLayer.exe
3224	DesktopLayer.exe
3224	DesktopLayer.exe
3224	DesktopLayer.exe
3224	DesktopLayer.exe
3224	DesktopLayer.exe
3224	DesktopLayer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	rundll32.exe
Token: SeDebugPrivilege	1472	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2012	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2012	iexplore.exe
2012	iexplore.exe
4488	IEXPLORE.EXE
4488	IEXPLORE.EXE
4488	IEXPLORE.EXE
4488	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 1472	3292	rundll32.exe	83
PID 3292 wrote to memory of 1472	3292	rundll32.exe	83
PID 3292 wrote to memory of 1472	3292	rundll32.exe	83
PID 1472 wrote to memory of 2744	1472	rundll32.exe	84
PID 1472 wrote to memory of 2744	1472	rundll32.exe	84
PID 1472 wrote to memory of 2744	1472	rundll32.exe	84
PID 2744 wrote to memory of 3224	2744	rundll32Srv.exe	85
PID 2744 wrote to memory of 3224	2744	rundll32Srv.exe	85
PID 2744 wrote to memory of 3224	2744	rundll32Srv.exe	85
PID 3224 wrote to memory of 2012	3224	DesktopLayer.exe	86
PID 3224 wrote to memory of 2012	3224	DesktopLayer.exe	86
PID 2012 wrote to memory of 4488	2012	iexplore.exe	88
PID 2012 wrote to memory of 4488	2012	iexplore.exe	88
PID 2012 wrote to memory of 4488	2012	iexplore.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_470e48e694a15580ce8a760a4b2426c0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_470e48e694a15580ce8a760a4b2426c0.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3224
    - - 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:2012
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 888
    3⤵
    - Program crash
    PID:2256

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 1472
1⤵
PID:4332

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

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4
MD5 febff5e5b64433316ee5f116c5c14309
SHA1 55a533777edeed0d18304f073d59d5ca1e5c7737
SHA512 cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 1916a8f005ba5023c9cced1aeec7dcf963e60ab5558e70b0a73a270a13679a50
MD5 ce3fcccb1b89a1fa78d77fd0f98491b8
SHA1 762ac211162da9a79979ed2fe551fbad6dfacf7b
SHA512 c53d36627a942aace5a28e4dc43a7fe81169afe92933fc9bcb72fa203645447f9ea7a806d58ac385e91c70402eeeec10b7e1ddb1100528865781bd1c3812331f
MD5 SHA1 SHA512

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verE55F.tmp

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE55F.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\9MFSIIMR\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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rundll32Srv.exe

Path C:\Windows\SysWOW64\rundll32Srv.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

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memory/1472-17-0x0000000010000000-0x000000001001A000-memory.dmp

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memory/1472-0-0x0000000010000000-0x000000001001A000-memory.dmp

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memory/2744-5-0x0000000000550000-0x000000000055F000-memory.dmp

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memory/2744-8-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2744-4-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3224-15-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3224-13-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/3224-14-0x00000000004D0000-0x00000000004D1000-memory.dmp

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