46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29

General

Target

46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe
Size

158KB
MD5

34926506fefc6f5ebace4672d93af6ba
SHA1

4afaa8fe82b71906acf06cb2d7e52de160df2e85
SHA256

46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29
SHA512

cd600ea51963756703a7c438c0d8c2d4adc06d5dd5d4521baea6335f8e8c5ca9c1b6f66d6c7ae0d24d7d9c841588944fadf23375555368422f50adf6527baac5
SSDEEP

3072:FZefcXfiFuibp8/6im+9eJAtp2Ll7JvAGk2ck:FZeEXfiLpAmAtpWMzk

Score

7^/10

persistence ransomware

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\Users\\Admin\\AppData\\Roaming\\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\Users\\Admin\\AppData\\Roaming\\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe"	svchost.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9Y2FDk3HfnK8.bmp"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe

description	pid	process	target process
PID 1400 set thread context of 4916	1400	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exesvchost.exe

pid	process
1400	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe
1400	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe
4916	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe

pid process

1400 46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

svchost.exe

pid process

4916 svchost.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

svchost.exe

pid process

4916 svchost.exe
4916 svchost.exe

pid	process
4916	svchost.exe

pid	process
4916	svchost.exe
4916	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exesvchost.exe

description	pid	process	target process
PID 1400 wrote to memory of 4916	1400	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe	svchost.exe
PID 1400 wrote to memory of 4916	1400	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe	svchost.exe
PID 1400 wrote to memory of 4916	1400	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe	svchost.exe
PID 1400 wrote to memory of 4916	1400	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe	svchost.exe
PID 1400 wrote to memory of 4916	1400	46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe	svchost.exe
PID 4916 wrote to memory of 2160	4916	svchost.exe	cmd.exe
PID 4916 wrote to memory of 2160	4916	svchost.exe	cmd.exe
PID 4916 wrote to memory of 2160	4916	svchost.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe
"C:\Users\Admin\AppData\Local\Temp\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
2⤵
- Checks BIOS information in registry
- Adds Run key to start application
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4916

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /q /c for /l %i in (1, 1, 4000000000) do if not exist "C:\Users\Admin\AppData\Local\Temp\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe" (exit) else (del /f "C:\Users\Admin\AppData\Local\Temp\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe")
3⤵
PID:2160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1

T1491

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Downloads

memory/1400-133-0x00000000005F0000-0x0000000000608000-memory.dmp

Filesize
96KB

Download
memory/1400-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1400-135-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2160-137-0x0000000000000000-mapping.dmp

Download
memory/4916-132-0x0000000000000000-mapping.dmp

Download
memory/4916-136-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4916-138-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4916-139-0x00000000737A0000-0x00000000737D9000-memory.dmp

Filesize
228KB

Download
memory/4916-140-0x00000000737A0000-0x00000000737D9000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads