ramnit | 14f485fdc9b743f90dd42f9db2a1040c34d1c70c1031f703486b5cf277f7f88b

Analysis

max time kernel
95s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 12:50

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General

Target

14f485fdc9b743f90dd42f9db2a1040c34d1c70c1031f703486b5cf277f7f88bN.dll
Size

211KB
MD5

cb28b54c6eb95eccbf85237eefb66cd0
SHA1

3bf110798f316209967b30bee23ded27f4379a26
SHA256

14f485fdc9b743f90dd42f9db2a1040c34d1c70c1031f703486b5cf277f7f88b
SHA512

df101de6e13df31bceef2851274acad18e4e0c540b4692db22a5e54514c1c5e003614dc0e05f0862bdf53cc1cecefff3a90c7d528d8fbac0ca70d75385dd5d88
SSDEEP

3072:TnMoFkOKCg3CXmSSZlzgeBTg4vRPo5NNFs+XNtUU/chmcFTulOVq5pNOV8SAkb8j:TMJOWK4l0wqOVq1W8St8CUHn

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
4836	rundll32mgr.exe
4808	WaterMark.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4836-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4836-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4836-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4836-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4836-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4836-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4836-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4808-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4808-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4808-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4808-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxAEAF.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
1684	4904	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	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\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU	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
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\Main\CompatibilityFlags = "0"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "667681800"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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\Main	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\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151216"	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\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "667681800"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151216"	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\DomainSuggestion\NextUpdateDate = "441636805"	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\Recovery\AdminActive\{536C0210-C063-11EF-A4B7-C67090DD1599} = "0"	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\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "669400400"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151216"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe
4808	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4808	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2792	iexplore.exe
2792	iexplore.exe
3648	IEXPLORE.EXE
3648	IEXPLORE.EXE
3648	IEXPLORE.EXE
3648	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4836	rundll32mgr.exe
4808	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 4900	1164	rundll32.exe	82
PID 1164 wrote to memory of 4900	1164	rundll32.exe	82
PID 1164 wrote to memory of 4900	1164	rundll32.exe	82
PID 4900 wrote to memory of 4836	4900	rundll32.exe	83
PID 4900 wrote to memory of 4836	4900	rundll32.exe	83
PID 4900 wrote to memory of 4836	4900	rundll32.exe	83
PID 4836 wrote to memory of 4808	4836	rundll32mgr.exe	84
PID 4836 wrote to memory of 4808	4836	rundll32mgr.exe	84
PID 4836 wrote to memory of 4808	4836	rundll32mgr.exe	84
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 4904	4808	WaterMark.exe	85
PID 4808 wrote to memory of 2792	4808	WaterMark.exe	89
PID 4808 wrote to memory of 2792	4808	WaterMark.exe	89
PID 4808 wrote to memory of 3604	4808	WaterMark.exe	90
PID 4808 wrote to memory of 3604	4808	WaterMark.exe	90
PID 2792 wrote to memory of 3648	2792	iexplore.exe	91
PID 2792 wrote to memory of 3648	2792	iexplore.exe	91
PID 2792 wrote to memory of 3648	2792	iexplore.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\14f485fdc9b743f90dd42f9db2a1040c34d1c70c1031f703486b5cf277f7f88bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\14f485fdc9b743f90dd42f9db2a1040c34d1c70c1031f703486b5cf277f7f88bN.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4900
- - 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:4836
  - - 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:4808
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:4904
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 204
        6⤵
        Program crash
        
        PID:1684
    - - 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:2792
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2792 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3648
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4904 -ip 4904
1⤵
PID:368

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
36ed732b90a27bd5f4716645a456ad34

SHA1
93caaf2e2b76b96142e3a9865eb12aa6aab4296e

SHA256
a41bae0a57d70f030a24668e1e68cfec75c27ed94105d8ae895025edfef3132e

SHA512
460f8f4e5bc5f445c7f175699c80e86e2f4c1822a4e7c3ecb07de224db0c7428f74058fa3e164b3fde0777af2818da0e9e831b869e8bd7b1ffb3b4abc794fbd2

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

Filesize
404B

MD5
a4608d9b8568e5c268b2b134ea2fd5bf

SHA1
814748515a74e971760b15143d158ed8f630986a

SHA256
d483b4f30b478b20b33af207e5d0d9386323b62614ea9614e928addd793bbaf2

SHA512
c3b78fdf52903775f81cb9c085e44b31517c2d0ea07b8165b5c33e7f3cf196d7d07f6df35d2e23b14057cdcb69521b519747826c0fe78b48a65c6b5af9234699

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
59KB

MD5
0e0f0ae845d89c22bb6385f64a6b85fd

SHA1
0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

SHA256
5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

SHA512
baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

Download Submit
memory/4808-30-0x0000000077012000-0x0000000077013000-memory.dmp

Filesize
4KB

Download
memory/4808-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4808-34-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4808-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4808-33-0x0000000077012000-0x0000000077013000-memory.dmp

Filesize
4KB

Download
memory/4808-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4808-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4808-27-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/4836-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4836-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4836-10-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/4836-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4836-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4836-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4836-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4836-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4900-0-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/4904-32-0x0000000000F80000-0x0000000000F81000-memory.dmp

Filesize
4KB

Download
memory/4904-31-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download