ramnit | c6c1de2aba94d50a9f4f5799fd35640985166985e69b916f0a426103d57407cf

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 12:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1a351e907deae966141fe7575f17c053_JaffaCakes118.dll
Size

220KB
MD5

1a351e907deae966141fe7575f17c053
SHA1

ec5f68bbde00029efb31fb32748890dab418afbe
SHA256

c6c1de2aba94d50a9f4f5799fd35640985166985e69b916f0a426103d57407cf
SHA512

ff2038281cc5a4bdb1b59b93d79c858961d3c400c928d19db97dddab4b600f000230dda949603abc779e8c47e1b1e1a72cfcbe0fcb51b4ed02a5438727db9eba
SSDEEP

6144:9/mmNwlmUSWIY7vDDkTGei9zAFIzF5wXn6/+magVWL:9+mNwl6wvDDJ9UFILwLmagi

Score

10^/10

ramnit banker 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 4 IoCs

Processes:

rundll32Srv.exerundll32Srv.exeWaterMark.exeWaterMark.exe

pid process

4764 rundll32Srv.exe
4276 rundll32Srv.exe
3744 WaterMark.exe
3980 WaterMark.exe

pid	process
4764	rundll32Srv.exe
4276	rundll32Srv.exe
3744	WaterMark.exe
3980	WaterMark.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4276-9-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4276-16-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3980-34-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3980-30-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4276-13-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4276-12-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3980-38-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe
Suspicious use of SetThreadContext 2 IoCs

Processes:

rundll32Srv.exeWaterMark.exe

description pid process target process

PID 4764 set thread context of 4276 4764 rundll32Srv.exe rundll32Srv.exe
PID 3744 set thread context of 3980 3744 WaterMark.exe WaterMark.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

description	pid	process	target process
PID 4764 set thread context of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 3744 set thread context of 3980	3744	WaterMark.exe	WaterMark.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px4304.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32Srv.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1984 3400 WerFault.exe svchost.exe

pid	pid_target	process	target process
1984	3400	WerFault.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEiexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115610"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1B68BE39-354E-11EF-9519-7ACDD6433640} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4024629624"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115610"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4022598410"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115610"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4022598410"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426344480"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

WaterMark.exe

pid process

3980 WaterMark.exe
3980 WaterMark.exe
3980 WaterMark.exe
3980 WaterMark.exe
3980 WaterMark.exe
3980 WaterMark.exe
3980 WaterMark.exe
3980 WaterMark.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 3980 WaterMark.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

368 iexplore.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

rundll32Srv.exeWaterMark.exeiexplore.exeIEXPLORE.EXE

pid process

4764 rundll32Srv.exe
3744 WaterMark.exe
368 iexplore.exe
368 iexplore.exe
4420 IEXPLORE.EXE
4420 IEXPLORE.EXE
4420 IEXPLORE.EXE
4420 IEXPLORE.EXE

pid	process
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe

description	pid	process
Token: SeDebugPrivilege	3980	WaterMark.exe

pid	process
368	iexplore.exe

pid	process
4764	rundll32Srv.exe
3744	WaterMark.exe
368	iexplore.exe
368	iexplore.exe
4420	IEXPLORE.EXE
4420	IEXPLORE.EXE
4420	IEXPLORE.EXE
4420	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exerundll32Srv.exeWaterMark.exeWaterMark.exeiexplore.exe

description	pid	process	target process
PID 5116 wrote to memory of 4196	5116	rundll32.exe	rundll32.exe
PID 5116 wrote to memory of 4196	5116	rundll32.exe	rundll32.exe
PID 5116 wrote to memory of 4196	5116	rundll32.exe	rundll32.exe
PID 4196 wrote to memory of 4764	4196	rundll32.exe	rundll32Srv.exe
PID 4196 wrote to memory of 4764	4196	rundll32.exe	rundll32Srv.exe
PID 4196 wrote to memory of 4764	4196	rundll32.exe	rundll32Srv.exe
PID 4764 wrote to memory of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 4764 wrote to memory of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 4764 wrote to memory of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 4764 wrote to memory of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 4764 wrote to memory of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 4764 wrote to memory of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 4764 wrote to memory of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 4764 wrote to memory of 4276	4764	rundll32Srv.exe	rundll32Srv.exe
PID 4276 wrote to memory of 3744	4276	rundll32Srv.exe	WaterMark.exe
PID 4276 wrote to memory of 3744	4276	rundll32Srv.exe	WaterMark.exe
PID 4276 wrote to memory of 3744	4276	rundll32Srv.exe	WaterMark.exe
PID 3744 wrote to memory of 3980	3744	WaterMark.exe	WaterMark.exe
PID 3744 wrote to memory of 3980	3744	WaterMark.exe	WaterMark.exe
PID 3744 wrote to memory of 3980	3744	WaterMark.exe	WaterMark.exe
PID 3744 wrote to memory of 3980	3744	WaterMark.exe	WaterMark.exe
PID 3744 wrote to memory of 3980	3744	WaterMark.exe	WaterMark.exe
PID 3744 wrote to memory of 3980	3744	WaterMark.exe	WaterMark.exe
PID 3744 wrote to memory of 3980	3744	WaterMark.exe	WaterMark.exe
PID 3744 wrote to memory of 3980	3744	WaterMark.exe	WaterMark.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3400	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 368	3980	WaterMark.exe	iexplore.exe
PID 3980 wrote to memory of 368	3980	WaterMark.exe	iexplore.exe
PID 368 wrote to memory of 4420	368	iexplore.exe	IEXPLORE.EXE
PID 368 wrote to memory of 4420	368	iexplore.exe	IEXPLORE.EXE
PID 368 wrote to memory of 4420	368	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a351e907deae966141fe7575f17c053_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a351e907deae966141fe7575f17c053_JaffaCakes118.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4196

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4764

C:\Windows\SysWOW64\rundll32Srv.exe
"C:\Windows\SysWOW64\rundll32Srv.exe"
4⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4276

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3744

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
7⤵
PID:3400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 196
8⤵
- Program crash
PID:1984

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
7⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:368

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:368 CREDAT:17410 /prefetch:2
8⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3400 -ip 3400
1⤵
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
293ea21f7d2b09f447f07d065dd542b9

SHA1
5d30d1d814dab60840b66cb9ee7dd8ceea05df70

SHA256
2203bb67fc1d126a35d05b53e3b9c39acf5a06b6f2d792099460e8caa83f2a32

SHA512
7d5ff3768b8ab54f4186a325ac433eb4a1f3dfabb30d641a0a1d6b9f2f24c5dd83cc5d05c13477cab16c5644d39e45ae991d75a1ddb7c79b76e562b4f2eb2898

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
65540c7881222a180f814182a05f3288

SHA1
bfdec61b095a2e5ff2b2f91b9fa11d120b709507

SHA256
585f6d4a1eb16b919f7b06ee47abed375a8cf1a01cc65ebc70d76452d29c13c1

SHA512
0a0bf2856132bd1b5ed368623025b5bcefc3e489cc6200ba1dd2d3d52ed42ceeebf7e4035d0d60ac85f05b8599d0f4a95660fd49acebc3886a6b3d73ab964551

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VLW1SL5J\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
69KB

MD5
3284b0d95ae1f80355da5e04e79a6be1

SHA1
642bbb026f238a4eed9931772869b637621d98c8

SHA256
f2cf33052bb9ed658351e1ff0687d0602a1f619e0976cd45852d3eb109aacf60

SHA512
13712a19409818ecb66ecb2bb045a5800e4362f0ff0e9b2d158590fd501c35861ceae195f8171301ef6e72dd3b6f28184af31188836d92c171bfa6bedeb98547

Download Submit
memory/3400-37-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/3400-36-0x0000000000F70000-0x0000000000F71000-memory.dmp

Filesize
4KB

Download
memory/3744-22-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/3744-32-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/3980-38-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3980-34-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3980-39-0x0000000077842000-0x0000000077843000-memory.dmp

Filesize
4KB

Download
memory/3980-33-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3980-30-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4196-1-0x000000006DAC0000-0x000000006DAFF000-memory.dmp

Filesize
252KB

Download
memory/4276-16-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4276-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4276-13-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4276-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4764-15-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4764-5-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4764-6-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download