ramnit | c543f409f2fb620a206f1822dd7dac0ee4fb8def382610720a402ca8dcef657e

General

Target

c543f409f2fb620a206f1822dd7dac0ee4fb8def382610720a402ca8dcef657e.dll
Size

536KB
MD5

87d4bbb9cf03ea4c17cc1084d85666db
SHA1

4c011f50a92390526b8b79e2c1dbbf1828e63c40
SHA256

c543f409f2fb620a206f1822dd7dac0ee4fb8def382610720a402ca8dcef657e
SHA512

0abc550b2b4e02133c375e1840827b7ce9a34bd22b7268b2daf144d4f45d9a71d47cd39660036f67bbdb4df394610646f86b149d9f030562c3c295d2f8cefbb4

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

1808 rundll32Srv.exe
1168 DesktopLayer.exe

pid	process
1808	rundll32Srv.exe
1168	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/1808-76-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

1636 rundll32.exe
1808 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
1636	rundll32.exe
1808	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\px13BF.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

1492 1636 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1492	1636	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\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	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\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\Recovery\PendingRecovery	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\Recovery\AdminActive\{147BEB71-B492-11EB-B85A-F2B989C9245F} = "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
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\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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	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\LowRegistry	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\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327747485"	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\DOMStorage	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\AdminActive	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

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

DesktopLayer.exeWerFault.exe

pid	process
1168	DesktopLayer.exe
1168	DesktopLayer.exe
1168	DesktopLayer.exe
1168	DesktopLayer.exe
1492	WerFault.exe
1492	WerFault.exe
1492	WerFault.exe
1492	WerFault.exe
1492	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1492 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1492 WerFault.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1952 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1952 iexplore.exe
1952 iexplore.exe
972 IEXPLORE.EXE
972 IEXPLORE.EXE
972 IEXPLORE.EXE
972 IEXPLORE.EXE

pid	process
1492	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1492	WerFault.exe

pid	process
1952	iexplore.exe

pid	process
1952	iexplore.exe
1952	iexplore.exe
972	IEXPLORE.EXE
972	IEXPLORE.EXE
972	IEXPLORE.EXE
972	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1688 wrote to memory of 1636	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1636	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1636	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1636	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1636	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1636	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1636	1688	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 1808	1636	rundll32.exe	rundll32Srv.exe
PID 1636 wrote to memory of 1808	1636	rundll32.exe	rundll32Srv.exe
PID 1636 wrote to memory of 1808	1636	rundll32.exe	rundll32Srv.exe
PID 1636 wrote to memory of 1808	1636	rundll32.exe	rundll32Srv.exe
PID 1636 wrote to memory of 1492	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1492	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1492	1636	rundll32.exe	WerFault.exe
PID 1636 wrote to memory of 1492	1636	rundll32.exe	WerFault.exe
PID 1808 wrote to memory of 1168	1808	rundll32Srv.exe	DesktopLayer.exe
PID 1808 wrote to memory of 1168	1808	rundll32Srv.exe	DesktopLayer.exe
PID 1808 wrote to memory of 1168	1808	rundll32Srv.exe	DesktopLayer.exe
PID 1808 wrote to memory of 1168	1808	rundll32Srv.exe	DesktopLayer.exe
PID 1168 wrote to memory of 1952	1168	DesktopLayer.exe	iexplore.exe
PID 1168 wrote to memory of 1952	1168	DesktopLayer.exe	iexplore.exe
PID 1168 wrote to memory of 1952	1168	DesktopLayer.exe	iexplore.exe
PID 1168 wrote to memory of 1952	1168	DesktopLayer.exe	iexplore.exe
PID 1952 wrote to memory of 972	1952	iexplore.exe	IEXPLORE.EXE
PID 1952 wrote to memory of 972	1952	iexplore.exe	IEXPLORE.EXE
PID 1952 wrote to memory of 972	1952	iexplore.exe	IEXPLORE.EXE
PID 1952 wrote to memory of 972	1952	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c543f409f2fb620a206f1822dd7dac0ee4fb8def382610720a402ca8dcef657e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c543f409f2fb620a206f1822dd7dac0ee4fb8def382610720a402ca8dcef657e.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1636

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:1808

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:1168

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:1952

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1952 CREDAT:275457 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 236
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1492

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\6NZSPANU.txt
MD5
71e4036afb44a9b435ce9a749aed9f26

SHA1
16c13724e9599197705da6691a755ded0357e441

SHA256
1659ed21b7c6514c8a6afbd3da6bbcd0a450b29c2dbee7e768bb0d23e27f148a

SHA512
200440869950245632a075b2bd9edaf0ef7676e5d78299a889952f29bf68185b789b1d85b0d78184cf9f57a12219ee600a4ceff86fc9d01d8251289f76fdbaad

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/972-81-0x00000000005C0000-0x00000000005C2000-memory.dmp

Filesize
8KB

Download
memory/972-79-0x0000000000000000-mapping.dmp

Download
memory/1168-73-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1168-69-0x0000000000000000-mapping.dmp

Download
memory/1492-68-0x0000000000000000-mapping.dmp

Download
memory/1492-82-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1636-60-0x0000000000000000-mapping.dmp

Download
memory/1636-61-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1808-76-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1808-75-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1808-63-0x0000000000000000-mapping.dmp

Download
memory/1952-74-0x0000000000000000-mapping.dmp

Download
memory/1952-83-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads