ramnit | a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6

General

Target

a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6.dll
Size

2.6MB
MD5

a888672410051c083cbb91a48c744fcf
SHA1

8667aae3bd5e4bb40ebff879eeb30719e5e2fba1
SHA256

a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6
SHA512

79ea00566b2f197b3065cde8303261f3c8f27fc583ebacaf19f10e472d8b8d5348b43ee38d313b22551328835fea87acb9da7e3f40c3317f3d2ad8855e5578c2

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

1976 rundll32Srv.exe
1780 DesktopLayer.exe

pid	process
1976	rundll32Srv.exe
1780	DesktopLayer.exe

UPX packed file 7 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
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1976-75-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

1176 rundll32.exe
1976 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
1176	rundll32.exe
1976	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\px416.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

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1584 1176 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1584	1176	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{92924741-B47B-11EB-A60E-EEAC38710E3B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327737818"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

DesktopLayer.exeWerFault.exe

pid	process
1780	DesktopLayer.exe
1780	DesktopLayer.exe
1780	DesktopLayer.exe
1780	DesktopLayer.exe
1584	WerFault.exe
1584	WerFault.exe
1584	WerFault.exe
1584	WerFault.exe
1584	WerFault.exe
1584	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1584 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1584 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1800 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1800 iexplore.exe
1800 iexplore.exe
1528 IEXPLORE.EXE
1528 IEXPLORE.EXE
1528 IEXPLORE.EXE
1528 IEXPLORE.EXE

pid	process
1584	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1584	WerFault.exe

pid	process
1800	iexplore.exe

pid	process
1800	iexplore.exe
1800	iexplore.exe
1528	IEXPLORE.EXE
1528	IEXPLORE.EXE
1528	IEXPLORE.EXE
1528	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 788 wrote to memory of 1176	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1176	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1176	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1176	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1176	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1176	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1176	788	rundll32.exe	rundll32.exe
PID 1176 wrote to memory of 1976	1176	rundll32.exe	rundll32Srv.exe
PID 1176 wrote to memory of 1976	1176	rundll32.exe	rundll32Srv.exe
PID 1176 wrote to memory of 1976	1176	rundll32.exe	rundll32Srv.exe
PID 1176 wrote to memory of 1976	1176	rundll32.exe	rundll32Srv.exe
PID 1976 wrote to memory of 1780	1976	rundll32Srv.exe	DesktopLayer.exe
PID 1976 wrote to memory of 1780	1976	rundll32Srv.exe	DesktopLayer.exe
PID 1976 wrote to memory of 1780	1976	rundll32Srv.exe	DesktopLayer.exe
PID 1976 wrote to memory of 1780	1976	rundll32Srv.exe	DesktopLayer.exe
PID 1780 wrote to memory of 1800	1780	DesktopLayer.exe	iexplore.exe
PID 1780 wrote to memory of 1800	1780	DesktopLayer.exe	iexplore.exe
PID 1780 wrote to memory of 1800	1780	DesktopLayer.exe	iexplore.exe
PID 1780 wrote to memory of 1800	1780	DesktopLayer.exe	iexplore.exe
PID 1800 wrote to memory of 1528	1800	iexplore.exe	IEXPLORE.EXE
PID 1800 wrote to memory of 1528	1800	iexplore.exe	IEXPLORE.EXE
PID 1800 wrote to memory of 1528	1800	iexplore.exe	IEXPLORE.EXE
PID 1800 wrote to memory of 1528	1800	iexplore.exe	IEXPLORE.EXE
PID 1176 wrote to memory of 1584	1176	rundll32.exe	WerFault.exe
PID 1176 wrote to memory of 1584	1176	rundll32.exe	WerFault.exe
PID 1176 wrote to memory of 1584	1176	rundll32.exe	WerFault.exe
PID 1176 wrote to memory of 1584	1176	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3c1378f865d0b3f131a93d9c7bc301f092ef16a5dec9eb4f06f13703c0f01a6.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1176

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:1976

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:1780

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:1800

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1800 CREDAT:275457 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 276
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1584

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

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\VBYC3GN1.txt
MD5
bde0a25fad267a9ec346f3e669d6ffb2

SHA1
8fdae785fcc96bc9d81a5a1fc1a40c7e877ba2f5

SHA256
ac892e8c31d82538a02ca26c1fada0f5af1263ca4a5d7e176c1c53981c6d4632

SHA512
bbe54a6ea2810e5aacb86db22eef5d3992fb0fa36f9f561b9819866f72cbd587ca3373a993eaed31f1f2b7b937fc7d646938991e6e7cc1bdca20353a1f63be3c

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\rundll32Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1176-59-0x0000000000000000-mapping.dmp

Download
memory/1176-60-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/1528-73-0x0000000000000000-mapping.dmp

Download
memory/1584-80-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1584-79-0x0000000000000000-mapping.dmp

Download
memory/1780-67-0x0000000000000000-mapping.dmp

Download
memory/1780-71-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1800-78-0x0000000004800000-0x0000000004801000-memory.dmp

Filesize
4KB

Download
memory/1800-72-0x0000000000000000-mapping.dmp

Download
memory/1976-75-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1976-74-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1976-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads