ramnit | 22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f

General

Target

22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f.dll
Size

2.6MB
MD5

33740fa01394f61736f24b95d23ef49f
SHA1

b44eb66fc58c0e46956f8b11ad7e84f9df12d8e8
SHA256

22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f
SHA512

66fb7b711fa02fd67d3c02f321bceb11cb7b0bb12382199ceb3847d6bbc31eadf7dff7ce0244b3ad40c4566320f7f8fdd381f611ac328edb8a022048f39689bb

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

1220 rundll32Srv.exe
2000 DesktopLayer.exe

pid	process
1220	rundll32Srv.exe
2000	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
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1220-76-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

1172 rundll32.exe
1220 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
1172	rundll32.exe
1220	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\px1880.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

1904 1172 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1904	1172	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\LowRegistry\DOMStorage	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\Zoom	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\Main	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\DomainSuggestion\FileNames	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
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\IntelliForms	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\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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 (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327843183"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E51A0581-B570-11EB-8D34-56535ADAD81C} = "0"	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 (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\LowRegistry	iexplore.exe
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\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

DesktopLayer.exeWerFault.exe

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1904 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1904 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1752 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1752 iexplore.exe
1752 iexplore.exe
1640 IEXPLORE.EXE
1640 IEXPLORE.EXE
1640 IEXPLORE.EXE
1640 IEXPLORE.EXE

pid	process
1904	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1904	WerFault.exe

pid	process
1752	iexplore.exe

pid	process
1752	iexplore.exe
1752	iexplore.exe
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE
1640	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1172 wrote to memory of 1220	1172	rundll32.exe	rundll32Srv.exe
PID 1172 wrote to memory of 1220	1172	rundll32.exe	rundll32Srv.exe
PID 1172 wrote to memory of 1220	1172	rundll32.exe	rundll32Srv.exe
PID 1172 wrote to memory of 1220	1172	rundll32.exe	rundll32Srv.exe
PID 1220 wrote to memory of 2000	1220	rundll32Srv.exe	DesktopLayer.exe
PID 1220 wrote to memory of 2000	1220	rundll32Srv.exe	DesktopLayer.exe
PID 1220 wrote to memory of 2000	1220	rundll32Srv.exe	DesktopLayer.exe
PID 1220 wrote to memory of 2000	1220	rundll32Srv.exe	DesktopLayer.exe
PID 2000 wrote to memory of 1752	2000	DesktopLayer.exe	iexplore.exe
PID 2000 wrote to memory of 1752	2000	DesktopLayer.exe	iexplore.exe
PID 2000 wrote to memory of 1752	2000	DesktopLayer.exe	iexplore.exe
PID 2000 wrote to memory of 1752	2000	DesktopLayer.exe	iexplore.exe
PID 1752 wrote to memory of 1640	1752	iexplore.exe	IEXPLORE.EXE
PID 1752 wrote to memory of 1640	1752	iexplore.exe	IEXPLORE.EXE
PID 1752 wrote to memory of 1640	1752	iexplore.exe	IEXPLORE.EXE
PID 1752 wrote to memory of 1640	1752	iexplore.exe	IEXPLORE.EXE
PID 1172 wrote to memory of 1904	1172	rundll32.exe	WerFault.exe
PID 1172 wrote to memory of 1904	1172	rundll32.exe	WerFault.exe
PID 1172 wrote to memory of 1904	1172	rundll32.exe	WerFault.exe
PID 1172 wrote to memory of 1904	1172	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22b0be5d9b475926b757241d035c5cf9dec89ff26fcdd272761da3904b92230f.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1172

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:1220

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:2000

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:1752

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1752 CREDAT:275457 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1172 -s 276
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

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\KK9H64VA.txt
MD5
c1491cdcde91230eeca555bb200f88d3

SHA1
3daaeca4fb979ce65e9f43c99d464e391aa9724a

SHA256
631e461c0980dda0735834c35c52ce6c8f4994a883842dfdab3881ce8b7f2911

SHA512
2c6a81f65b88199955fbf6e64fe98368060c8dc9805020759ddfb9eaadda58e83fc57ddd903c58f663c265da43cda613dc4f7484db50cc8d3945017e98c65522

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/1172-60-0x0000000000000000-mapping.dmp

Download
memory/1172-61-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/1220-75-0x00000000003B0000-0x00000000003BF000-memory.dmp

Filesize
60KB

Download
memory/1220-63-0x0000000000000000-mapping.dmp

Download
memory/1220-76-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1640-74-0x0000000000000000-mapping.dmp

Download
memory/1752-73-0x0000000000000000-mapping.dmp

Download
memory/1752-79-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/1904-80-0x0000000000000000-mapping.dmp

Download
memory/1904-81-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/2000-68-0x0000000000000000-mapping.dmp

Download
memory/2000-72-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads