ramnit | 9160b4148cecac2666da0b7e7ff7f821d669f69488e782002b07ab751c8bd18f

General

Target

9160b4148cecac2666da0b7e7ff7f821d669f69488e782002b07ab751c8bd18f.dll
Size

768KB
MD5

e514198767e712b63aec04642e667d0b
SHA1

0820d269528c4c46ad4007fb93827edd7f1e9576
SHA256

9160b4148cecac2666da0b7e7ff7f821d669f69488e782002b07ab751c8bd18f
SHA512

c74cc0309b363d971f8c56b9f00da3828f006cee42ff1747a435bf41abf235007444d997ea6adfc281ec0ddffb5c4146e9b8515e43add516f149a1f60f0bfbc9

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

964 rundll32Srv.exe
2040 DesktopLayer.exe

pid	process
964	rundll32Srv.exe
2040	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
C:\Windows\SysWOW64\rundll32Srv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/964-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/2040-67-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

852 rundll32.exe
964 rundll32Srv.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

pid	process
852	rundll32.exe
964	rundll32Srv.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 opened for modification	C:\Program Files (x86)\Microsoft\px935.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D5987331-EA1A-11EC-8F66-F2A7A8855ABA} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "361781133"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

2040 DesktopLayer.exe
2040 DesktopLayer.exe
2040 DesktopLayer.exe
2040 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2024 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2024 iexplore.exe
2024 iexplore.exe
856 IEXPLORE.EXE
856 IEXPLORE.EXE
856 IEXPLORE.EXE
856 IEXPLORE.EXE

pid	process
2040	DesktopLayer.exe
2040	DesktopLayer.exe
2040	DesktopLayer.exe
2040	DesktopLayer.exe

pid	process
2024	iexplore.exe

pid	process
2024	iexplore.exe
2024	iexplore.exe
856	IEXPLORE.EXE
856	IEXPLORE.EXE
856	IEXPLORE.EXE
856	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 800 wrote to memory of 852	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 852	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 852	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 852	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 852	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 852	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 852	800	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 964	852	rundll32.exe	rundll32Srv.exe
PID 852 wrote to memory of 964	852	rundll32.exe	rundll32Srv.exe
PID 852 wrote to memory of 964	852	rundll32.exe	rundll32Srv.exe
PID 852 wrote to memory of 964	852	rundll32.exe	rundll32Srv.exe
PID 964 wrote to memory of 2040	964	rundll32Srv.exe	DesktopLayer.exe
PID 964 wrote to memory of 2040	964	rundll32Srv.exe	DesktopLayer.exe
PID 964 wrote to memory of 2040	964	rundll32Srv.exe	DesktopLayer.exe
PID 964 wrote to memory of 2040	964	rundll32Srv.exe	DesktopLayer.exe
PID 2040 wrote to memory of 2024	2040	DesktopLayer.exe	iexplore.exe
PID 2040 wrote to memory of 2024	2040	DesktopLayer.exe	iexplore.exe
PID 2040 wrote to memory of 2024	2040	DesktopLayer.exe	iexplore.exe
PID 2040 wrote to memory of 2024	2040	DesktopLayer.exe	iexplore.exe
PID 2024 wrote to memory of 856	2024	iexplore.exe	IEXPLORE.EXE
PID 2024 wrote to memory of 856	2024	iexplore.exe	IEXPLORE.EXE
PID 2024 wrote to memory of 856	2024	iexplore.exe	IEXPLORE.EXE
PID 2024 wrote to memory of 856	2024	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9160b4148cecac2666da0b7e7ff7f821d669f69488e782002b07ab751c8bd18f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9160b4148cecac2666da0b7e7ff7f821d669f69488e782002b07ab751c8bd18f.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:964

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:2040

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:2024

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2024 CREDAT:275457 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:856

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\POI1I6T4.txt
Filesize
606B

MD5
18b1d0484efbdc88ad70b73646c7d361

SHA1
a88caa2a84a3a54161fc1e0b4a7a63d31b6a1dd5

SHA256
25ab3ee9430e842716940e58e821d309e5ed61afa3770c635c80fb196d97156e

SHA512
ac82fb1818ca1033529ca53be7e6fcdadf5173642832fb21ae304705d7ff9a718bd397870ad785990a81f200019e39adcf26259b6dfde66f0c996dcba617f5a0

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

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/852-54-0x0000000000000000-mapping.dmp

Download
memory/852-55-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/964-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/964-57-0x0000000000000000-mapping.dmp

Download
memory/2040-62-0x0000000000000000-mapping.dmp

Download
memory/2040-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads