ramnit | e7ed4cedf8c089393e5599f43c39b66b2227afa941ff4d8a445c8df34f0d1e43

Analysis

max time kernel
93s
max time network
145s
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 12:35

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General

Target

1a221a46e51a4f64a9f2960d8db944a0_JaffaCakes118.dll
Size

996KB
MD5

1a221a46e51a4f64a9f2960d8db944a0
SHA1

90226d2e7392017afbb2bf4968cc597f15782277
SHA256

e7ed4cedf8c089393e5599f43c39b66b2227afa941ff4d8a445c8df34f0d1e43
SHA512

a48cc8d3082f73ae1c7bad8cc2d0b9a52103a8ab5b8b45402256a2742d1beb9dbdb005876cf52d44b36ff27a4a0005265375676fbfaa41700861b8ec90795eba
SSDEEP

24576:hf2VfWlcKu6Gavkg3NydIbbbI4IBAUZLYdk8wBEY7:VuscKu6GaXUT4IBAUZLYdkN/

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 2 IoCs

Processes:

rundll32mgr.exeWaterMark.exe

pid process

3976 rundll32mgr.exe
1744 WaterMark.exe

pid	process
3976	rundll32mgr.exe
1744	WaterMark.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3976-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3976-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3976-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3976-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3976-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3976-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3976-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1744-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1744-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe

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

Drops file in Program Files directory 3 IoCs

Processes:

rundll32mgr.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px4314.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

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3884 1988 WerFault.exe rundll32.exe
4556 2796 WerFault.exe svchost.exe

pid	pid_target	process	target process
3884	1988	WerFault.exe	rundll32.exe
4556	2796	WerFault.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXEiexplore.exe

description	ioc	process
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\LastUpdateHighDateTime = "31115607"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E285524E-354A-11EF-9519-EABD73F69B33} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3068639206"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426343096"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3070514056"	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\VersionManager\LastUpdateHighDateTime = "31115607"	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\FileNames\	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\Main\WindowsSearch	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\LastCheckForUpdateLowDateTime = "3068639206"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115607"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115607"	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\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	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
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\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 = "3070514056"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

WaterMark.exe

pid	process
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe
1744	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 1744 WaterMark.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2864 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2864 iexplore.exe
2864 iexplore.exe
1692 IEXPLORE.EXE
1692 IEXPLORE.EXE
1692 IEXPLORE.EXE
1692 IEXPLORE.EXE
Suspicious use of UnmapMainImage 2 IoCs

Processes:

rundll32mgr.exeWaterMark.exe

pid process

3976 rundll32mgr.exe
1744 WaterMark.exe

description	pid	process
Token: SeDebugPrivilege	1744	WaterMark.exe

pid	process
2864	iexplore.exe

pid	process
2864	iexplore.exe
2864	iexplore.exe
1692	IEXPLORE.EXE
1692	IEXPLORE.EXE
1692	IEXPLORE.EXE
1692	IEXPLORE.EXE

pid	process
3976	rundll32mgr.exe
1744	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

rundll32.exerundll32.exerundll32mgr.exeWaterMark.exeiexplore.exe

description	pid	process	target process
PID 1060 wrote to memory of 1988	1060	rundll32.exe	rundll32.exe
PID 1060 wrote to memory of 1988	1060	rundll32.exe	rundll32.exe
PID 1060 wrote to memory of 1988	1060	rundll32.exe	rundll32.exe
PID 1988 wrote to memory of 3976	1988	rundll32.exe	rundll32mgr.exe
PID 1988 wrote to memory of 3976	1988	rundll32.exe	rundll32mgr.exe
PID 1988 wrote to memory of 3976	1988	rundll32.exe	rundll32mgr.exe
PID 3976 wrote to memory of 1744	3976	rundll32mgr.exe	WaterMark.exe
PID 3976 wrote to memory of 1744	3976	rundll32mgr.exe	WaterMark.exe
PID 3976 wrote to memory of 1744	3976	rundll32mgr.exe	WaterMark.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2796	1744	WaterMark.exe	svchost.exe
PID 1744 wrote to memory of 2864	1744	WaterMark.exe	iexplore.exe
PID 1744 wrote to memory of 2864	1744	WaterMark.exe	iexplore.exe
PID 1744 wrote to memory of 2604	1744	WaterMark.exe	iexplore.exe
PID 1744 wrote to memory of 2604	1744	WaterMark.exe	iexplore.exe
PID 2864 wrote to memory of 1692	2864	iexplore.exe	IEXPLORE.EXE
PID 2864 wrote to memory of 1692	2864	iexplore.exe	IEXPLORE.EXE
PID 2864 wrote to memory of 1692	2864	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a221a46e51a4f64a9f2960d8db944a0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a221a46e51a4f64a9f2960d8db944a0_JaffaCakes118.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3976

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
5⤵
PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 204
6⤵
- Program crash
PID:4556

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:2864

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2864 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1692

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 608
3⤵
- Program crash
PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1988 -ip 1988
1⤵
PID:4788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2796 -ip 2796
1⤵
PID:4800

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

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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
aea924c15a4e8506782ae5788998de0e

SHA1
48f44200aa2cf5d4bd1da0d6aa54b2202b92b0ac

SHA256
c49fde3d9640ba80d8619433bcec374aaf5cf1ff4a135b45873e1c9b57e0ccf7

SHA512
78b3f082db7263eddcf1a3f4fa426eff63b985c709785f1c58a33f6f4750d3471d63431dc74aebbb88ddcbaad28451cec8d8d481b8211c1b83781d03569d2d7f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verC63E.tmp
Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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\rundll32mgr.exe
Filesize
123KB

MD5
58ae04d47a7587cba542671907b6a9af

SHA1
1f1e13105f87605281aac5666e8e448ab388b113

SHA256
aaaccf3120e3a27abb632e12c69b5e21056ec88780f001605d763eed9a2d1709

SHA512
78e2ecd54578cf8413f025f060412df7855ba661c07fafe0891a6827295a80caa8c3eae2be771786bc49ef5492163530319b86eba10cc6627d40b1677a496401

Download Submit
memory/1744-34-0x0000000077532000-0x0000000077533000-memory.dmp

Filesize
4KB

Download
memory/1744-27-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1744-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1744-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1744-19-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1744-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1744-30-0x0000000077532000-0x0000000077533000-memory.dmp

Filesize
4KB

Download
memory/1988-1-0x0000000010000000-0x00000000100F9000-memory.dmp

Filesize
996KB

Download
memory/1988-33-0x0000000010000000-0x00000000100F9000-memory.dmp

Filesize
996KB

Download
memory/2796-32-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/2796-31-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/3976-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3976-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3976-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3976-18-0x0000000001640000-0x0000000001641000-memory.dmp

Filesize
4KB

Download
memory/3976-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3976-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3976-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3976-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3976-4-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download