ramnit | b50c7c5497f14f981be644ef82928255a7789fd5ce578cb3e410ec980e62ccca

General

Target

b50c7c5497f14f981be644ef82928255a7789fd5ce578cb3e410ec980e62ccca.dll
Size

400KB
MD5

7fd8a4f47cbaa168e2657c34133ea6c3
SHA1

48cfbaf56fc25b47436d2639d2f44ad346684259
SHA256

b50c7c5497f14f981be644ef82928255a7789fd5ce578cb3e410ec980e62ccca
SHA512

ddfffdf47bacfe2d1cdee77694a5522c760d423f23a70a320413a67a8baad0ee5dd582e6a6c78298625cc3d77cd9c666e3489c7343f25e2f6e658698e382000d

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

2024 rundll32Srv.exe
1904 DesktopLayer.exe

pid	process
2024	rundll32Srv.exe
1904	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/2024-77-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

648 rundll32.exe
2024 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
648	rundll32.exe
2024	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\px3D8.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

2000 648 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2000	648	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\DomainSuggestion\FileNames\	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\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	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\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	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 (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327802693"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9F336FF1-B512-11EB-A60E-EEAC38710E3B} = "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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	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
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\InternetRegistry	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\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	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\LowRegistry\DOMStorage	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\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

DesktopLayer.exeWerFault.exe

pid	process
1904	DesktopLayer.exe
1904	DesktopLayer.exe
1904	DesktopLayer.exe
1904	DesktopLayer.exe
2000	WerFault.exe
2000	WerFault.exe
2000	WerFault.exe
2000	WerFault.exe
2000	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

2000 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 2000 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1800 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1800 iexplore.exe
1800 iexplore.exe
1260 IEXPLORE.EXE
1260 IEXPLORE.EXE

pid	process
2000	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	2000	WerFault.exe

pid	process
1800	iexplore.exe

pid	process
1800	iexplore.exe
1800	iexplore.exe
1260	IEXPLORE.EXE
1260	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 648	336	rundll32.exe	rundll32.exe
PID 648 wrote to memory of 2024	648	rundll32.exe	rundll32Srv.exe
PID 648 wrote to memory of 2024	648	rundll32.exe	rundll32Srv.exe
PID 648 wrote to memory of 2024	648	rundll32.exe	rundll32Srv.exe
PID 648 wrote to memory of 2024	648	rundll32.exe	rundll32Srv.exe
PID 2024 wrote to memory of 1904	2024	rundll32Srv.exe	DesktopLayer.exe
PID 2024 wrote to memory of 1904	2024	rundll32Srv.exe	DesktopLayer.exe
PID 2024 wrote to memory of 1904	2024	rundll32Srv.exe	DesktopLayer.exe
PID 2024 wrote to memory of 1904	2024	rundll32Srv.exe	DesktopLayer.exe
PID 648 wrote to memory of 2000	648	rundll32.exe	WerFault.exe
PID 648 wrote to memory of 2000	648	rundll32.exe	WerFault.exe
PID 648 wrote to memory of 2000	648	rundll32.exe	WerFault.exe
PID 648 wrote to memory of 2000	648	rundll32.exe	WerFault.exe
PID 1904 wrote to memory of 1800	1904	DesktopLayer.exe	iexplore.exe
PID 1904 wrote to memory of 1800	1904	DesktopLayer.exe	iexplore.exe
PID 1904 wrote to memory of 1800	1904	DesktopLayer.exe	iexplore.exe
PID 1904 wrote to memory of 1800	1904	DesktopLayer.exe	iexplore.exe
PID 1800 wrote to memory of 1260	1800	iexplore.exe	IEXPLORE.EXE
PID 1800 wrote to memory of 1260	1800	iexplore.exe	IEXPLORE.EXE
PID 1800 wrote to memory of 1260	1800	iexplore.exe	IEXPLORE.EXE
PID 1800 wrote to memory of 1260	1800	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b50c7c5497f14f981be644ef82928255a7789fd5ce578cb3e410ec980e62ccca.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b50c7c5497f14f981be644ef82928255a7789fd5ce578cb3e410ec980e62ccca.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:648

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:2024

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:1904

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:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 228
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2000

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\NT90P0PS.txt
MD5
aa151fdc31a4ffe29b0868f881fc039f

SHA1
91921976923068496dd4c25420222a3c8961a2c7

SHA256
56fdbea55ebd3e586ea4411cb47a9f50874025da0852e91a92ad928e6449ff03

SHA512
0dd81d9d7c6760812f3da1fb5287324ec7e3cc827d89b6af04ac575a26358222db2a513026681e95d25d4d9a32a4ae3ef92b6fbdb41fa60b0a2bd9adeaa35fa0

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/648-60-0x0000000000000000-mapping.dmp

Download
memory/648-61-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/1260-75-0x0000000000000000-mapping.dmp

Download
memory/1800-74-0x0000000000000000-mapping.dmp

Download
memory/1800-80-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/1904-68-0x0000000000000000-mapping.dmp

Download
memory/1904-73-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2000-81-0x0000000001D30000-0x0000000001D31000-memory.dmp

Filesize
4KB

Download
memory/2000-69-0x0000000000000000-mapping.dmp

Download
memory/2024-63-0x0000000000000000-mapping.dmp

Download
memory/2024-76-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2024-77-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads