ramnit | 41f595eec53787cf82435905fecf3a12082cfb6666206da4754c4f07d3073c63

Analysis

max time kernel
148s
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
18-12-2024 05:01

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General

Target

fa33086e89c613f65b16df98166d9657_JaffaCakes118.dll
Size

152KB
MD5

fa33086e89c613f65b16df98166d9657
SHA1

5ccaa45192667945f8444cf4a5f66a037351ddae
SHA256

41f595eec53787cf82435905fecf3a12082cfb6666206da4754c4f07d3073c63
SHA512

40e328cfca8eed2964eb761b768cb6f835bbe9e54e9b3aa37b5f59fdbe6dc081d3d63971c34747b01c0bb608e56be71d1e58a629878814d33a1bac6d42445126
SSDEEP

3072:qvXmimD0k0QRW1PhI1sItKOgGdX3DUP9Q209aoKbrkK+9Y7CE3p:q+fD/0QSzItKOgGFYVk8oK3kU

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
4564	rundll32mgr.exe
428	WaterMark.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4564-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4564-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4564-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4564-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4564-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4564-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4564-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/428-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/428-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/428-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/428-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/428-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px88F6.tmp	rundll32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	2184	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	IEXPLORE.EXE
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

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{32B6B15D-BCFD-11EF-ADF2-468C69F2ED48} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "120021364"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150346"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150346"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "121272071"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150346"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "120021364"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "121272071"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150346"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441263088"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe
428	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	428	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4956	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4956	iexplore.exe
4956	iexplore.exe
4532	IEXPLORE.EXE
4532	IEXPLORE.EXE
4532	IEXPLORE.EXE
4532	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4564	rundll32mgr.exe
428	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4320 wrote to memory of 1044	4320	rundll32.exe	82
PID 4320 wrote to memory of 1044	4320	rundll32.exe	82
PID 4320 wrote to memory of 1044	4320	rundll32.exe	82
PID 1044 wrote to memory of 4564	1044	rundll32.exe	83
PID 1044 wrote to memory of 4564	1044	rundll32.exe	83
PID 1044 wrote to memory of 4564	1044	rundll32.exe	83
PID 4564 wrote to memory of 428	4564	rundll32mgr.exe	84
PID 4564 wrote to memory of 428	4564	rundll32mgr.exe	84
PID 4564 wrote to memory of 428	4564	rundll32mgr.exe	84
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 2184	428	WaterMark.exe	85
PID 428 wrote to memory of 4956	428	WaterMark.exe	89
PID 428 wrote to memory of 4956	428	WaterMark.exe	89
PID 428 wrote to memory of 780	428	WaterMark.exe	90
PID 428 wrote to memory of 780	428	WaterMark.exe	90
PID 4956 wrote to memory of 4532	4956	iexplore.exe	91
PID 4956 wrote to memory of 4532	4956	iexplore.exe	91
PID 4956 wrote to memory of 4532	4956	iexplore.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa33086e89c613f65b16df98166d9657_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa33086e89c613f65b16df98166d9657_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1044
- - 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:4564
  - - 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:428
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:2184
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 208
        6⤵
        Program crash
        
        PID:2152
    - - 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:4956
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4956 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4532
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2184 -ip 2184
1⤵
PID:2244

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
641fd00a680e2a2b7c46da9f49d4ac01

SHA1
91342c03f46164a5ffba758b6201387912e09026

SHA256
69b70d73aed768e709b4e26268d4bfbb349d3ed2d7fc7bba042a347b29f1062d

SHA512
004e47e9e0623bf782ad71418257088902bec47d213027287c46393d7a413d69a69fd213df1781d3c49ddde689943d5c5f3ff844fb9cc81c7eeaf331b8a4344f

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

Filesize
404B

MD5
a3a481f1b928facb0a6e2692ac6c9f92

SHA1
252911b4f72f7982c6badecde531a2589618c46a

SHA256
a74db0025f9739a45c6d6506b5c00793f15945bd8d7931643b2dfa8c1182d927

SHA512
8dd9985ee8ab544d9042ae07530b7b7cbaec0f412e57f6d881175b00412b0f2c7ce575edcc9d102e542eb6a591cabfc37dfbbd387b3aa9724f9046d580dd2a0f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verC40.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
60KB

MD5
cd963c64ad0bea4ca85a4819f6eefed1

SHA1
d9cd6316cf3c6ce5ceec9694c2debc7b7981775f

SHA256
33c4b715dc8b183dff9aac65cc42c7f2c70658580b8e3d449878251482a5d906

SHA512
f7cd12c57eff3acf7c89b0e7b55dfa81623618a65d6c49b490c199cfe63ae9e858f2681c8ef1425d1e4b25f7b0bbd6d4a9d9788956c23f52fece3d5d79b5907e

Download Submit
memory/428-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/428-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/428-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/428-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/428-36-0x0000000077B92000-0x0000000077B93000-memory.dmp

Filesize
4KB

Download
memory/428-37-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/428-31-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/428-32-0x0000000077B92000-0x0000000077B93000-memory.dmp

Filesize
4KB

Download
memory/428-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1044-0-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download
memory/2184-35-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2184-34-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/4564-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4564-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4564-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4564-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4564-5-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4564-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4564-21-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4564-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4564-11-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/4564-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4564-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download