ramnit | 461625556adca12d41a36efbe61634d2a7348dce976f4bc15cccd65c2a4332ad

Analysis

max time kernel
95s
max time network
144s
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 10:37

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General

Target

JaffaCakes118_51c4aa3c2732a7ee5358f83358b811a5.dll
Size

210KB
MD5

51c4aa3c2732a7ee5358f83358b811a5
SHA1

9f0b55b1a06d69428bfc9f6fbf25823553c8bbb8
SHA256

461625556adca12d41a36efbe61634d2a7348dce976f4bc15cccd65c2a4332ad
SHA512

b41180e3034aa169cb3532a37dc17640f5083374db2f4a54f84a3086194bfa00f7a67ef775071e507a1119a5b4f78a700532ffa44ddd4fdaa90cff91ccb24f10
SSDEEP

3072:eMYuwKhHgaG6I4ZisOZGh7psQY8MtsXsOndJdx7yT3VMZ2cA2k48ZUV7iC+BMg:eMYuwKpgaG6EZGBpvsOndJdgcD8OV7iD

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
4352	rundll32mgr.exe
1272	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/4352-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4352-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1272-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1272-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1272-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4352-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4352-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4352-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4352-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4352-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1272-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1272-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1272-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7D7D.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
3340	4684	WerFault.exe	82
4608	3024	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	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153209"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6E35080C-C82C-11EF-A4B7-EE8B2F3CE00B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1116907174"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1116907174"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1118625868"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153209"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153209"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442492837"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe
1272	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1272	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2224	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2224	iexplore.exe
2224	iexplore.exe
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE
4976	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4352	rundll32mgr.exe
1272	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 4684	692	rundll32.exe	82
PID 692 wrote to memory of 4684	692	rundll32.exe	82
PID 692 wrote to memory of 4684	692	rundll32.exe	82
PID 4684 wrote to memory of 4352	4684	rundll32.exe	83
PID 4684 wrote to memory of 4352	4684	rundll32.exe	83
PID 4684 wrote to memory of 4352	4684	rundll32.exe	83
PID 4352 wrote to memory of 1272	4352	rundll32mgr.exe	85
PID 4352 wrote to memory of 1272	4352	rundll32mgr.exe	85
PID 4352 wrote to memory of 1272	4352	rundll32mgr.exe	85
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 3024	1272	WaterMark.exe	87
PID 1272 wrote to memory of 2224	1272	WaterMark.exe	93
PID 1272 wrote to memory of 2224	1272	WaterMark.exe	93
PID 1272 wrote to memory of 2824	1272	WaterMark.exe	94
PID 1272 wrote to memory of 2824	1272	WaterMark.exe	94
PID 2224 wrote to memory of 4976	2224	iexplore.exe	95
PID 2224 wrote to memory of 4976	2224	iexplore.exe	95
PID 2224 wrote to memory of 4976	2224	iexplore.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51c4aa3c2732a7ee5358f83358b811a5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51c4aa3c2732a7ee5358f83358b811a5.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4684
- - 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:4352
  - - 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:1272
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:3024
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 204
        6⤵
        Program crash
        
        PID:4608
    - - 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:2224
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2224 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4976
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 576
    3⤵
    - Program crash
    PID:3340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4684 -ip 4684
1⤵
PID:1136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3024 -ip 3024
1⤵
PID:5116

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
23a62eab6b657e58312db49930f66566

SHA1
d12b0c9bfe98db93c7e1acadcf99081553810fdc

SHA256
8ab53c66f41870cdd2a90ce31dac56082c8c62315a9aaa08dbd99020118c7adb

SHA512
1e0fac3fe90fb95769eeb97bd70b01bc490ef00874192746a9397a534d8df51754b5e5c82ae67c1e951ae821cf59e09e3edcd5e9c4c85afc88139f7bb90ca14f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/1272-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1272-27-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/1272-37-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/1272-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1272-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1272-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1272-32-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/1272-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1272-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1272-38-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3024-35-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/3024-34-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/4352-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4352-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4352-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4352-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/4352-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4352-29-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4352-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4352-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4352-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4352-6-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4684-36-0x0000000075400000-0x0000000075438000-memory.dmp

Filesize
224KB

Download
memory/4684-0-0x0000000075400000-0x0000000075438000-memory.dmp

Filesize
224KB

Download