ramnit | 7bf3db9bc3354a9b9c655ff3bb33aa96aec2f5c80c0d555c9bc9fc1c1e74a992

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 07:18

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General

Target

21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe
Size

120KB
MD5

21823c95a9aa7891f68a1caf8110018b
SHA1

e3a97f3b001172533e3ff32d1624fe55313eded6
SHA256

7bf3db9bc3354a9b9c655ff3bb33aa96aec2f5c80c0d555c9bc9fc1c1e74a992
SHA512

078a2a21f488f2ceac6feeeb53cd1bfbdf85f86b0e443ac21ccd6303331770fdc6834e74a79ad42c33c9342e399843b347bf8ba4a22db680b513f6c908bfdec7
SSDEEP

768:IQxkwi7BsIqHpcrkMEYEhA7P4RhAtmaZFb79U9MKAjBEig6/1k21m3uHRdMNDj2f:I8kwixTEhU4HDa1KkjWXUa21mc/Mue9I

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 1 IoCs

pid	Process
4720	WaterMark.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2508-0-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/4720-6-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/4720-9-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/4720-14-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral2/memory/4720-15-0x0000000000400000-0x0000000000434000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px3170.tmp	21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
696	3924	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1129269776"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31116569"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31116569"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\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-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1127238118"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426756078"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1127238118"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31116569"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1129269776"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31116569"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6ED0488E-390C-11EF-B1BC-428E301B16F9} = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe
4720	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4720	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3336	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3336	iexplore.exe
3336	iexplore.exe
2752	IEXPLORE.EXE
2752	IEXPLORE.EXE
2752	IEXPLORE.EXE
2752	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 4720	2508	21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe	82
PID 2508 wrote to memory of 4720	2508	21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe	82
PID 2508 wrote to memory of 4720	2508	21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe	82
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3924	4720	WaterMark.exe	83
PID 4720 wrote to memory of 3336	4720	WaterMark.exe	93
PID 4720 wrote to memory of 3336	4720	WaterMark.exe	93
PID 4720 wrote to memory of 1084	4720	WaterMark.exe	94
PID 4720 wrote to memory of 1084	4720	WaterMark.exe	94
PID 3336 wrote to memory of 2752	3336	iexplore.exe	95
PID 3336 wrote to memory of 2752	3336	iexplore.exe	95
PID 3336 wrote to memory of 2752	3336	iexplore.exe	95

C:\Users\Admin\AppData\Local\Temp\21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\21823c95a9aa7891f68a1caf8110018b_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4720
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3924
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 208
      4⤵
      Program crash
      PID:696
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3336
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3336 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2752
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3924 -ip 3924
1⤵
PID:3204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
120KB

MD5
21823c95a9aa7891f68a1caf8110018b

SHA1
e3a97f3b001172533e3ff32d1624fe55313eded6

SHA256
7bf3db9bc3354a9b9c655ff3bb33aa96aec2f5c80c0d555c9bc9fc1c1e74a992

SHA512
078a2a21f488f2ceac6feeeb53cd1bfbdf85f86b0e443ac21ccd6303331770fdc6834e74a79ad42c33c9342e399843b347bf8ba4a22db680b513f6c908bfdec7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verB47B.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0K2PF59Z\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2508-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3924-11-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/3924-10-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

Filesize
4KB

Download
memory/4720-9-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4720-12-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

Download
memory/4720-13-0x0000000077902000-0x0000000077903000-memory.dmp

Filesize
4KB

Download
memory/4720-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4720-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4720-6-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4720-7-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download