ramnit | a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e

General

Target

a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exe
Size

149KB
MD5

c4c41774da7a3159303357633436a14c
SHA1

7ba8859d5753323b334b56af0e57a2a7abad6fef
SHA256

a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e
SHA512

cdabc106e973646affad22e11609aae6344789c29822f32112afb13c4b98aa3fdcdf3f16f86f86ffbb377b1a78677035109fd66200c14842c625149135621cb1

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:

a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exeDesktopLayer.exe

pid process

2040 a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
1724 DesktopLayer.exe

pid	process
2040	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
1724	DesktopLayer.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.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/2040-74-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exea1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe

pid	process
1260	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exe
2040	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe

Drops file in Program Files directory 3 IoCs

Processes:

a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px1362.tmp	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{895E7971-B5E1-11EB-AC20-62C8A5B8B9AA} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327288480"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DesktopLayer.exe

pid process

1724 DesktopLayer.exe
1724 DesktopLayer.exe
1724 DesktopLayer.exe
1724 DesktopLayer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1684 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1684 iexplore.exe
1684 iexplore.exe
1084 IEXPLORE.EXE
1084 IEXPLORE.EXE
1084 IEXPLORE.EXE
1084 IEXPLORE.EXE

pid	process
1724	DesktopLayer.exe
1724	DesktopLayer.exe
1724	DesktopLayer.exe
1724	DesktopLayer.exe

pid	process
1684	iexplore.exe

pid	process
1684	iexplore.exe
1684	iexplore.exe
1084	IEXPLORE.EXE
1084	IEXPLORE.EXE
1084	IEXPLORE.EXE
1084	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exea1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1260 wrote to memory of 2040	1260	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exe	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
PID 1260 wrote to memory of 2040	1260	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exe	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
PID 1260 wrote to memory of 2040	1260	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exe	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
PID 1260 wrote to memory of 2040	1260	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exe	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
PID 2040 wrote to memory of 1724	2040	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe	DesktopLayer.exe
PID 2040 wrote to memory of 1724	2040	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe	DesktopLayer.exe
PID 2040 wrote to memory of 1724	2040	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe	DesktopLayer.exe
PID 2040 wrote to memory of 1724	2040	a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe	DesktopLayer.exe
PID 1724 wrote to memory of 1684	1724	DesktopLayer.exe	iexplore.exe
PID 1724 wrote to memory of 1684	1724	DesktopLayer.exe	iexplore.exe
PID 1724 wrote to memory of 1684	1724	DesktopLayer.exe	iexplore.exe
PID 1724 wrote to memory of 1684	1724	DesktopLayer.exe	iexplore.exe
PID 1684 wrote to memory of 1084	1684	iexplore.exe	IEXPLORE.EXE
PID 1684 wrote to memory of 1084	1684	iexplore.exe	IEXPLORE.EXE
PID 1684 wrote to memory of 1084	1684	iexplore.exe	IEXPLORE.EXE
PID 1684 wrote to memory of 1084	1684	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exe
"C:\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
C:\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2040

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1724

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1684 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1084

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
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
C:\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
C:\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
\Users\Admin\AppData\Local\Temp\a1a91e9f2f404225bdaeca436758ed79a4aca1b88bf77d9e9ecdb0a0abc3ed0eSrv.exe
MD5
da18881ccaefeaa4942af9291cb34826

SHA1
e4f33c21684bede05ccea60dd0767250ff2b3aba

SHA256
1d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842

SHA512
2420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901

Download Submit
memory/1084-78-0x0000000000000000-mapping.dmp

Download
memory/1260-60-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1260-75-0x00000000001B0000-0x00000000001DE000-memory.dmp

Filesize
184KB

Download
memory/1684-72-0x0000000000000000-mapping.dmp

Download
memory/1684-79-0x00000000037A0000-0x00000000037A1000-memory.dmp

Filesize
4KB

Download
memory/1724-67-0x0000000000000000-mapping.dmp

Download
memory/1724-71-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2040-62-0x0000000000000000-mapping.dmp

Download
memory/2040-74-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2040-73-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads