ramnit | c98874c757d575db9ee2c6a6e3068a2da1f5ffff1ae0d04977fd6d408aaf6aaf

Analysis

max time kernel
92s
max time network
145s
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 21:24

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General

Target

JaffaCakes118_60bc1f860c8b7b0cf4fef40f2d5f44f9.dll
Size

236KB
MD5

60bc1f860c8b7b0cf4fef40f2d5f44f9
SHA1

10d409e1686df4784bba0b5d1034216f54f06109
SHA256

c98874c757d575db9ee2c6a6e3068a2da1f5ffff1ae0d04977fd6d408aaf6aaf
SHA512

b1823bc07b4259302f57eedbc9f1cdd9d9d8c08ffe71d0ef0299c4d1991a787d896291ce07622fd1f1f9d41198a8dafbc7c1ef6f814276afe5ef9a3aa188f7bd
SSDEEP

3072:Yn4cV8gf2u41Z5tKlwqkU+tvJT4w9LRrTfMie:y4y8gOl2+b4wzTE7

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
4276	rundll32mgr.exe
1692	WaterMark.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4276-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4276-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4276-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4276-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4276-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4276-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4276-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1692-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1692-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1692-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1692-38-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1692-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1692-42-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxA73C.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 1 IoCs

pid	pid_target	Process	procid_target
1488	1096	WerFault.exe	85

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	rundll32mgr.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 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153299"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2432173808"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BC980415-C886-11EF-B9D5-7E3D785E6C2E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153299"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442531623"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2432173808"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2435298943"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153299"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe
1692	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2044	iexplore.exe
2044	iexplore.exe
2092	IEXPLORE.EXE
2092	IEXPLORE.EXE
2092	IEXPLORE.EXE
2092	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4276	rundll32mgr.exe
1692	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 864	4496	rundll32.exe	82
PID 4496 wrote to memory of 864	4496	rundll32.exe	82
PID 4496 wrote to memory of 864	4496	rundll32.exe	82
PID 864 wrote to memory of 4276	864	rundll32.exe	83
PID 864 wrote to memory of 4276	864	rundll32.exe	83
PID 864 wrote to memory of 4276	864	rundll32.exe	83
PID 4276 wrote to memory of 1692	4276	rundll32mgr.exe	84
PID 4276 wrote to memory of 1692	4276	rundll32mgr.exe	84
PID 4276 wrote to memory of 1692	4276	rundll32mgr.exe	84
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 1096	1692	WaterMark.exe	85
PID 1692 wrote to memory of 2044	1692	WaterMark.exe	89
PID 1692 wrote to memory of 2044	1692	WaterMark.exe	89
PID 1692 wrote to memory of 2684	1692	WaterMark.exe	90
PID 1692 wrote to memory of 2684	1692	WaterMark.exe	90
PID 2044 wrote to memory of 2092	2044	iexplore.exe	91
PID 2044 wrote to memory of 2092	2044	iexplore.exe	91
PID 2044 wrote to memory of 2092	2044	iexplore.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60bc1f860c8b7b0cf4fef40f2d5f44f9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60bc1f860c8b7b0cf4fef40f2d5f44f9.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:864
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:4276
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      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:1692
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:1096
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 204
        6⤵
        Program crash
        
        PID:1488
    - - 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:2044
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2044 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2092
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:2684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1096 -ip 1096
1⤵
PID:1080

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
30f59b20e935520badc298242cb4cff1

SHA1
00622b2054eb148a8459c2ccd0b22606c2d5c7f6

SHA256
4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

SHA512
f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

Filesize
404B

MD5
3ea209ebe72bf5e080ae89bd81677b29

SHA1
c5b9844d27e25dc7e6e1048d8f25f030796cdbd4

SHA256
086c3dbffa814d2efcf9187c055a90497a06a4fbc41c82512cee33de6ed36e82

SHA512
a15b47cca4fa2178664da487d22fa991660a489b9c0f8c6ae027d191b71b0bf2923f937cc620aa2e7755c1eb59512762bf23421165f9e687976b769de9a4481b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
144KB

MD5
636ad6eb76fc9d8fe20577938e0a24eb

SHA1
5dc287ae41d60c3ab81755f149ab951324f4cc3d

SHA256
6771c401770a7e4612d113b5fd41deb54a98530e70648f02bafbd195dc14a514

SHA512
16ece072e56862f3cc4e38affba58a88d54b96877e5fb6577ac4d17028b92dbe69097cf1c34909bc71314b43d2b77c804e26ab86e7ce21715a6297d859ce357e

Download Submit
memory/864-0-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/1096-36-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1096-35-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/1692-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1692-37-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1692-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1692-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1692-40-0x0000000077352000-0x0000000077353000-memory.dmp

Filesize
4KB

Download
memory/1692-38-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1692-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1692-27-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1692-32-0x0000000077352000-0x0000000077353000-memory.dmp

Filesize
4KB

Download
memory/1692-31-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1692-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4276-22-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4276-12-0x0000000002C50000-0x0000000002C51000-memory.dmp

Filesize
4KB

Download
memory/4276-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4276-6-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4276-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4276-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4276-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4276-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4276-8-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4276-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4276-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4276-4-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download