ramnit | 0d9793cac8c3d554fed790b99d2498892b4d8d4e71633690cbf2324b97b98edd

Analysis

max time kernel
125s
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
27-06-2024 15:21

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General

Target

1680759f930f5649c2f05608bf04cb6c_JaffaCakes118.dll
Size

823KB
MD5

1680759f930f5649c2f05608bf04cb6c
SHA1

ab985ab5b5ae183659f6c6240f6ed62df3cb9325
SHA256

0d9793cac8c3d554fed790b99d2498892b4d8d4e71633690cbf2324b97b98edd
SHA512

7938540c7f6591a5c601ea53f1b052bda69b14c68be1846d64838e51f9f5fe32f541c068e50569d2c118d22abec18b1bc24b1f97ec260ae2a6b749d87ffd0561
SSDEEP

24576:AL5/rmRsmDWDPNuFhPvYrpLYHSfcoopooLY9Nu0:qK5hPILYHSfeY9n

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:

rundll32Srv.exeDesktopLayer.exe

pid process

3500 rundll32Srv.exe
3848 DesktopLayer.exe

pid	process
3500	rundll32Srv.exe
3848	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\SysWOW64\rundll32Srv.exe	upx
behavioral2/memory/3500-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3500-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3848-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3848-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3848-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3848-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3848-18-0x0000000000400000-0x000000000042E000-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

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

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxE668.tmp	rundll32Srv.exe

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115429"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3617257033"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115429"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3724600575"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426266730"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3617257033"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F9F44E57-3498-11EF-B8C0-F20C5DF75BB0} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3724600575"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115429"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115429"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid process

3848 DesktopLayer.exe
3848 DesktopLayer.exe
3848 DesktopLayer.exe
3848 DesktopLayer.exe
3848 DesktopLayer.exe
3848 DesktopLayer.exe
3848 DesktopLayer.exe
3848 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3812 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3812 iexplore.exe
3812 iexplore.exe
784 IEXPLORE.EXE
784 IEXPLORE.EXE
784 IEXPLORE.EXE
784 IEXPLORE.EXE

pid	process
3848	DesktopLayer.exe
3848	DesktopLayer.exe
3848	DesktopLayer.exe
3848	DesktopLayer.exe
3848	DesktopLayer.exe
3848	DesktopLayer.exe
3848	DesktopLayer.exe
3848	DesktopLayer.exe

pid	process
3812	iexplore.exe

pid	process
3812	iexplore.exe
3812	iexplore.exe
784	IEXPLORE.EXE
784	IEXPLORE.EXE
784	IEXPLORE.EXE
784	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 452 wrote to memory of 3316	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 3316	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 3316	452	rundll32.exe	rundll32.exe
PID 3316 wrote to memory of 3500	3316	rundll32.exe	rundll32Srv.exe
PID 3316 wrote to memory of 3500	3316	rundll32.exe	rundll32Srv.exe
PID 3316 wrote to memory of 3500	3316	rundll32.exe	rundll32Srv.exe
PID 3500 wrote to memory of 3848	3500	rundll32Srv.exe	DesktopLayer.exe
PID 3500 wrote to memory of 3848	3500	rundll32Srv.exe	DesktopLayer.exe
PID 3500 wrote to memory of 3848	3500	rundll32Srv.exe	DesktopLayer.exe
PID 3848 wrote to memory of 3812	3848	DesktopLayer.exe	iexplore.exe
PID 3848 wrote to memory of 3812	3848	DesktopLayer.exe	iexplore.exe
PID 3812 wrote to memory of 784	3812	iexplore.exe	IEXPLORE.EXE
PID 3812 wrote to memory of 784	3812	iexplore.exe	IEXPLORE.EXE
PID 3812 wrote to memory of 784	3812	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1680759f930f5649c2f05608bf04cb6c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1680759f930f5649c2f05608bf04cb6c_JaffaCakes118.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3316

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3500

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3848

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:3812

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3812 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:784

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3888,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=4168 /prefetch:8
1⤵
PID:3044

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
fa34ecb8815a2d98849888cb1cdbf38b

SHA1
84fd0e04586009efb3683c98da8d9aa41487cd42

SHA256
5077a54924f80491a74ed78bbd73ff7bf85a27caddb80ceaa9ccb86f8b9a11be

SHA512
ccfdb76ccedd0076601e17272d346229e2b9c0dd884c09bb7701b32c5dc177da8a91bb539ce751297d8ea44716fc497e8a337a9499c93a474ba85915f28f1053

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

MD5
33f007abaa14a55029f78af790591bc0

SHA1
e9ec6b46c7c570d32d14e7857a7765145f1f6f55

SHA256
2337e4084a46b88b903526e024d39c165d4e8bd2e7e9b9e6f7974f7ad505b9de

SHA512
a40e8816f3714911c0becdcc4601bc3efb2d5aa1dcb45f5363a05ff1df90c3eaa270aebe55c35b5e6c022d0bb8e85b1356477b06292e7b80d488d4a1651dfeae

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verC3E7.tmp
Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\44ZGVQ6R\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3316-20-0x00000000748D0000-0x00000000749A2000-memory.dmp

Filesize
840KB

Download
memory/3316-2-0x00000000748D0000-0x00000000749A2000-memory.dmp

Filesize
840KB

Download
memory/3500-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3500-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3500-5-0x0000000001F00000-0x0000000001F0F000-memory.dmp

Filesize
60KB

Download
memory/3848-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3848-16-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/3848-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3848-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3848-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3848-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download