ramnit | 8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0

General

Target

8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0.exe
Size

100KB
MD5

15493e865afa720bb1c877f818265f67
SHA1

874a395faeabe5ed20aa3fe295613be0277c9b1d
SHA256

8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0
SHA512

1e3a7571c6469eb4b39a6a1cbccdc1d2d7e82bdf73ff01865a7950e7cc45b2b4be6cd36cf024034bc193f04b807b55c137a58d5e8228ca92a9d00c57ec5ddc10

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:

8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exeDesktopLayer.exe

pid process

1888 8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
3664 DesktopLayer.exe

pid	process
1888	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
3664	DesktopLayer.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1888-123-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px813C.tmp	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 17 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D8902DA2-B485-11EB-B2DB-F6E29603A65E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327139132"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327139301"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327139189"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
3664	DesktopLayer.exe
3664	DesktopLayer.exe
3664	DesktopLayer.exe
3664	DesktopLayer.exe
3664	DesktopLayer.exe
3664	DesktopLayer.exe
3664	DesktopLayer.exe
3664	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

3936 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3936 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3936 iexplore.exe
3936 iexplore.exe
2308 IEXPLORE.EXE
2308 IEXPLORE.EXE
2308 IEXPLORE.EXE
2308 IEXPLORE.EXE

pid	process
3936	iexplore.exe

pid	process
3936	iexplore.exe

pid	process
3936	iexplore.exe
3936	iexplore.exe
2308	IEXPLORE.EXE
2308	IEXPLORE.EXE
2308	IEXPLORE.EXE
2308	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0.exe8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 1040 wrote to memory of 1888	1040	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0.exe	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
PID 1040 wrote to memory of 1888	1040	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0.exe	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
PID 1040 wrote to memory of 1888	1040	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0.exe	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
PID 1888 wrote to memory of 3664	1888	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe	DesktopLayer.exe
PID 1888 wrote to memory of 3664	1888	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe	DesktopLayer.exe
PID 1888 wrote to memory of 3664	1888	8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe	DesktopLayer.exe
PID 3664 wrote to memory of 3936	3664	DesktopLayer.exe	iexplore.exe
PID 3664 wrote to memory of 3936	3664	DesktopLayer.exe	iexplore.exe
PID 3936 wrote to memory of 2308	3936	iexplore.exe	IEXPLORE.EXE
PID 3936 wrote to memory of 2308	3936	iexplore.exe	IEXPLORE.EXE
PID 3936 wrote to memory of 2308	3936	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0.exe
"C:\Users\Admin\AppData\Local\Temp\8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1040

C:\Users\Admin\AppData\Local\Temp\8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
C:\Users\Admin\AppData\Local\Temp\8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1888

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:3664

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3936

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3936 CREDAT:82945 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

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\Local\Temp\8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\8b7c80a5b1459041a5bbc7eba1f6c10f34288f6763afef63476e6ca83c0ef2d0Srv.exe
MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1888-114-0x0000000000000000-mapping.dmp

Download
memory/1888-122-0x00000000001F0000-0x00000000001FF000-memory.dmp

Filesize
60KB

Download
memory/1888-123-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2308-127-0x0000000000000000-mapping.dmp

Download
memory/3664-117-0x0000000000000000-mapping.dmp

Download
memory/3664-120-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3936-121-0x0000000000000000-mapping.dmp

Download
memory/3936-126-0x00007FFC600B0000-0x00007FFC6011B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads