ramnit | a760cd99ce64c88316ca87da4f034a671b7786dc0e79872385d15a27d0ed9a2d

General

Target

a760cd99ce64c88316ca87da4f034a671b7786dc0e79872385d15a27d0ed9a2d.dll
Size

200KB
MD5

d5d62107e86be9918ad5394e0856d9ba
SHA1

1914af8ef8ecd86d258584012ce8611b156443f4
SHA256

a760cd99ce64c88316ca87da4f034a671b7786dc0e79872385d15a27d0ed9a2d
SHA512

d4759dc36ee3456fa4abe544bd59ff76b18c1516bc814d4e5fb92828b1ed0f4cd99c4c1dcc764290b9b9e9989b34cc036d7b4711430f6acd6b123dd3ad248441

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

1932 rundll32Srv.exe
1844 DesktopLayer.exe

pid	process
1932	rundll32Srv.exe
1844	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/1932-77-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32Srv.exe

pid process

1952 rundll32.exe
1932 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
1952	rundll32.exe
1932	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\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px158.tmp	rundll32Srv.exe
File created	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\IntelliForms	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\DomainSuggestion	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\Main\WindowsSearch	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
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\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\InternetRegistry	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\PageSetup	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\Zoom	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\DomainSuggestion\FileNames	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\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327844237"	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\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{59B232C1-B573-11EB-9A32-C670C171E3F2} = "0"	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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1844 DesktopLayer.exe
1844 DesktopLayer.exe
1844 DesktopLayer.exe
1844 DesktopLayer.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

1768 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1768 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1768 iexplore.exe
1768 iexplore.exe
1264 IEXPLORE.EXE
1264 IEXPLORE.EXE
1264 IEXPLORE.EXE
1264 IEXPLORE.EXE

pid	process
1844	DesktopLayer.exe
1844	DesktopLayer.exe
1844	DesktopLayer.exe
1844	DesktopLayer.exe

pid	process
1768	iexplore.exe

pid	process
1768	iexplore.exe

pid	process
1768	iexplore.exe
1768	iexplore.exe
1264	IEXPLORE.EXE
1264	IEXPLORE.EXE
1264	IEXPLORE.EXE
1264	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 452 wrote to memory of 1952	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 1952	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 1952	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 1952	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 1952	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 1952	452	rundll32.exe	rundll32.exe
PID 452 wrote to memory of 1952	452	rundll32.exe	rundll32.exe
PID 1952 wrote to memory of 1932	1952	rundll32.exe	rundll32Srv.exe
PID 1952 wrote to memory of 1932	1952	rundll32.exe	rundll32Srv.exe
PID 1952 wrote to memory of 1932	1952	rundll32.exe	rundll32Srv.exe
PID 1952 wrote to memory of 1932	1952	rundll32.exe	rundll32Srv.exe
PID 1932 wrote to memory of 1844	1932	rundll32Srv.exe	DesktopLayer.exe
PID 1932 wrote to memory of 1844	1932	rundll32Srv.exe	DesktopLayer.exe
PID 1932 wrote to memory of 1844	1932	rundll32Srv.exe	DesktopLayer.exe
PID 1932 wrote to memory of 1844	1932	rundll32Srv.exe	DesktopLayer.exe
PID 1844 wrote to memory of 1768	1844	DesktopLayer.exe	iexplore.exe
PID 1844 wrote to memory of 1768	1844	DesktopLayer.exe	iexplore.exe
PID 1844 wrote to memory of 1768	1844	DesktopLayer.exe	iexplore.exe
PID 1844 wrote to memory of 1768	1844	DesktopLayer.exe	iexplore.exe
PID 1768 wrote to memory of 1264	1768	iexplore.exe	IEXPLORE.EXE
PID 1768 wrote to memory of 1264	1768	iexplore.exe	IEXPLORE.EXE
PID 1768 wrote to memory of 1264	1768	iexplore.exe	IEXPLORE.EXE
PID 1768 wrote to memory of 1264	1768	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a760cd99ce64c88316ca87da4f034a671b7786dc0e79872385d15a27d0ed9a2d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a760cd99ce64c88316ca87da4f034a671b7786dc0e79872385d15a27d0ed9a2d.dll,#1
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1952

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:1932

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:1844

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1768 CREDAT:275457 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1264

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

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\WFKJQ92D.txt
MD5
f8b880f89592fe952956ef7b649ebfe3

SHA1
6630ce3f815289df48bcee7db754d700aea57f93

SHA256
8b2a60a516cd032b99f6e62b22b68d8bf4a56fed2790253d899988614cf90b67

SHA512
62304f922c0b4d0b3f834ebb8027fc3f5bb0f0aa6cb2951665afd5ba8747d33dc76f764b338918b504b5d1333b920d128f0f16af562119037fd86edef023a641

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/1264-74-0x0000000000000000-mapping.dmp

Download
memory/1768-80-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/1768-73-0x0000000000000000-mapping.dmp

Download
memory/1844-68-0x0000000000000000-mapping.dmp

Download
memory/1844-72-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1932-63-0x0000000000000000-mapping.dmp

Download
memory/1932-76-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1932-77-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1952-60-0x0000000000000000-mapping.dmp

Download
memory/1952-61-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads