ramnit | 65ebce2a4ca17f1fa0555e815b3da9907aa4524e346c6399f67a796c96239962

General

Target

65ebce2a4ca17f1fa0555e815b3da9907aa4524e346c6399f67a796c96239962.dll
Size

159KB
MD5

680eecd2bf9735efce2d66b801ee2d28
SHA1

76197faffd87d2a46920ea00d5903ae6d5d218e8
SHA256

65ebce2a4ca17f1fa0555e815b3da9907aa4524e346c6399f67a796c96239962
SHA512

9536947c9f119b14669641156c2dd6ee5b9dcb150bc7a6672a4e5131a1b61dab6bef6ada4cf24c4cb6bc82458db48b070a30f8d0291db86c19e0b70a8062adcc

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

1296 rundll32Srv.exe
1972 DesktopLayer.exe

pid	process
1296	rundll32Srv.exe
1972	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/1296-75-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

1604 rundll32.exe
1296 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
1604	rundll32.exe
1296	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\pxF509.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
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
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
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\Recovery\PendingRecovery	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\Main\WindowsSearch	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	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	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\InternetRegistry	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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	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 (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327292290"	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\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{3F2E3981-B06E-11EB-8528-FAFEA7710D2E} = "0"	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\BrowserEmulation\LowMic	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\Toolbar\WebBrowser	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1972 DesktopLayer.exe
1972 DesktopLayer.exe
1972 DesktopLayer.exe
1972 DesktopLayer.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2008 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2008 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2008 iexplore.exe
2008 iexplore.exe
2016 IEXPLORE.EXE
2016 IEXPLORE.EXE
2016 IEXPLORE.EXE
2016 IEXPLORE.EXE

pid	process
1972	DesktopLayer.exe
1972	DesktopLayer.exe
1972	DesktopLayer.exe
1972	DesktopLayer.exe

pid	process
2008	iexplore.exe

pid	process
2008	iexplore.exe

pid	process
2008	iexplore.exe
2008	iexplore.exe
2016	IEXPLORE.EXE
2016	IEXPLORE.EXE
2016	IEXPLORE.EXE
2016	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1672 wrote to memory of 1604	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1604	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1604	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1604	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1604	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1604	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1604	1672	rundll32.exe	rundll32.exe
PID 1604 wrote to memory of 1296	1604	rundll32.exe	rundll32Srv.exe
PID 1604 wrote to memory of 1296	1604	rundll32.exe	rundll32Srv.exe
PID 1604 wrote to memory of 1296	1604	rundll32.exe	rundll32Srv.exe
PID 1604 wrote to memory of 1296	1604	rundll32.exe	rundll32Srv.exe
PID 1296 wrote to memory of 1972	1296	rundll32Srv.exe	DesktopLayer.exe
PID 1296 wrote to memory of 1972	1296	rundll32Srv.exe	DesktopLayer.exe
PID 1296 wrote to memory of 1972	1296	rundll32Srv.exe	DesktopLayer.exe
PID 1296 wrote to memory of 1972	1296	rundll32Srv.exe	DesktopLayer.exe
PID 1972 wrote to memory of 2008	1972	DesktopLayer.exe	iexplore.exe
PID 1972 wrote to memory of 2008	1972	DesktopLayer.exe	iexplore.exe
PID 1972 wrote to memory of 2008	1972	DesktopLayer.exe	iexplore.exe
PID 1972 wrote to memory of 2008	1972	DesktopLayer.exe	iexplore.exe
PID 2008 wrote to memory of 2016	2008	iexplore.exe	IEXPLORE.EXE
PID 2008 wrote to memory of 2016	2008	iexplore.exe	IEXPLORE.EXE
PID 2008 wrote to memory of 2016	2008	iexplore.exe	IEXPLORE.EXE
PID 2008 wrote to memory of 2016	2008	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\65ebce2a4ca17f1fa0555e815b3da9907aa4524e346c6399f67a796c96239962.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\65ebce2a4ca17f1fa0555e815b3da9907aa4524e346c6399f67a796c96239962.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1604

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1296

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1972

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
3⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2008 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2016

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
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\PDA0CMS2.txt
MD5
acf643ace601a54f025fac877093cf90

SHA1
cfaf9d695e496eabfdc2acdc5a5a80d211529b2d

SHA256
3c45a0e1b30707bd9ef8cef1bc722ecd9181f38097971668d73a76d1d7c709d1

SHA512
616e328901054d7aca19ee2f949829b66c34c2ee5ac4fc1c6deafb61d3381b4cb29d39eaf53d418499df0b8152242a7ce7c963b329d7ae3809c76ec3083e628f

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/1296-75-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1296-62-0x0000000000000000-mapping.dmp

Download
memory/1296-74-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1604-59-0x0000000000000000-mapping.dmp

Download
memory/1604-60-0x0000000075971000-0x0000000075973000-memory.dmp

Filesize
8KB

Download
memory/1972-71-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1972-67-0x0000000000000000-mapping.dmp

Download
memory/2008-72-0x0000000000000000-mapping.dmp

Download
memory/2008-78-0x00000000049E0000-0x00000000049E1000-memory.dmp

Filesize
4KB

Download
memory/2016-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads