ramnit | ad59f33ad2a554257793ea18a710241e722e8f68f8219d9474de001795d3d432

Analysis

max time kernel
139s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 19:36

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General

Target

8bb0e799c0b84ba9702a1923347de9d6_JaffaCakes118.dll
Size

280KB
MD5

8bb0e799c0b84ba9702a1923347de9d6
SHA1

248910f4c3eaee57edac102784c53107bb67ea12
SHA256

ad59f33ad2a554257793ea18a710241e722e8f68f8219d9474de001795d3d432
SHA512

26f5d273aa3e218a24829944ea347a294a5cb3e06bff605c5322c9e56420f36e66d5fb61ad8018f7ebaf7e6275a56a5f37523eed23f1056132d2ba86eb26e068
SSDEEP

6144:gQvhefbmYjEWS4MbfQWXcmI5woCSaqWq2FB:gmef1Sn1TvqyB

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

Executes dropped EXE 2 IoCs

pid	Process
4624	regsvr32mgr.exe
640	WaterMark.exe

Loads dropped DLL 2 IoCs

pid	Process
4624	regsvr32mgr.exe
640	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4624-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4624-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4624-20-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4624-19-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/640-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/640-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4624-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4624-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4624-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/640-46-0x0000000000400000-0x0000000000421000-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 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxAD76.tmp	regsvr32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Wplugin.dll	regsvr32mgr.exe
File opened for modification	C:\Windows\Wplugin.dll	regsvr32mgr.exe
File created	C:\Windows\Wplugin.dll	WaterMark.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1844	1356	WerFault.exe	87

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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.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
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31124517"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "430169998"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3936688999"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31124517"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3936688999"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{15FFF556-5819-11EF-9912-562BAB028465} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3932938893"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31124517"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3932938893"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31124517"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CAFEEFAC-0016-0000-0000-ABCDEFFEDCBA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CAFEEFAC-0016-0000-0000-ABCDEFFEDCBA}\ = "Java Plug-in 1.6.0"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe
640	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5056	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5056	iexplore.exe
5056	iexplore.exe
2860	IEXPLORE.EXE
2860	IEXPLORE.EXE
2860	IEXPLORE.EXE
2860	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4624	regsvr32mgr.exe
640	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 2352	3576	regsvr32.exe	84
PID 3576 wrote to memory of 2352	3576	regsvr32.exe	84
PID 3576 wrote to memory of 2352	3576	regsvr32.exe	84
PID 2352 wrote to memory of 4624	2352	regsvr32.exe	85
PID 2352 wrote to memory of 4624	2352	regsvr32.exe	85
PID 2352 wrote to memory of 4624	2352	regsvr32.exe	85
PID 4624 wrote to memory of 640	4624	regsvr32mgr.exe	86
PID 4624 wrote to memory of 640	4624	regsvr32mgr.exe	86
PID 4624 wrote to memory of 640	4624	regsvr32mgr.exe	86
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 1356	640	WaterMark.exe	87
PID 640 wrote to memory of 5056	640	WaterMark.exe	98
PID 640 wrote to memory of 5056	640	WaterMark.exe	98
PID 640 wrote to memory of 3144	640	WaterMark.exe	99
PID 640 wrote to memory of 3144	640	WaterMark.exe	99
PID 5056 wrote to memory of 2860	5056	iexplore.exe	100
PID 5056 wrote to memory of 2860	5056	iexplore.exe	100
PID 5056 wrote to memory of 2860	5056	iexplore.exe	100

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8bb0e799c0b84ba9702a1923347de9d6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8bb0e799c0b84ba9702a1923347de9d6_JaffaCakes118.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:4624
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:640
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:1356
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 208
        6⤵
        Program crash
        
        PID:1844
    - - 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:5056
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5056 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2860
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:3144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1356 -ip 1356
1⤵
PID:2056

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:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\versionlist.xml

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4329235D\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Roaming\Wplugin.dll

Filesize
108KB

MD5
8847a8302dacc1d6fca61f125c8fe8e0

SHA1
f399142bbf03660bee1df555ebbf3acc8f658cf0

SHA256
9c2726defa122089f8251fa104f76d66830f448774ab9bd634adbb6e492e3943

SHA512
2b028bb4139c352b80db1509d1a3f479a8ef7e9b3b73ddbf62e2d83d4e59adf4a0bd6b9d68409bc0b6fafb7a5f56844fbfed6d00b824a6b370689801ce1c837f

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
152KB

MD5
09853579e10c8e734429f6aaa6b5ec45

SHA1
4c305bd7f7998122558ed91123a2abc629ac54a3

SHA256
b830e7726c4682aad92f1aed39c90ea1735102a678c7a2b2d36dee59942ab667

SHA512
42515396b66c055309b9c0e2866d45463e8be2bc4ed1fa2bc297d5875b2388b9ab6cb6447dc26e31f513919a544260010e25fd3d4b80dc7ce85e967ca812ba79

Download Submit
memory/640-40-0x0000000077372000-0x0000000077373000-memory.dmp

Filesize
4KB

Download
memory/640-46-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/640-44-0x0000000077372000-0x0000000077373000-memory.dmp

Filesize
4KB

Download
memory/640-43-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/640-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/640-37-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/640-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1356-42-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/1356-41-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/2352-1-0x000000006D600000-0x000000006D648000-memory.dmp

Filesize
288KB

Download
memory/2352-45-0x000000006D600000-0x000000006D648000-memory.dmp

Filesize
288KB

Download
memory/4624-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4624-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4624-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4624-18-0x0000000001950000-0x0000000001951000-memory.dmp

Filesize
4KB

Download
memory/4624-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4624-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4624-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4624-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download