e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec

General

Target

e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe
Size

6.5MB
MD5

35309a7f136e2c60ac74e53d0963a1e1
SHA1

5cd75a85d5a8d9d86403527289bce54982a22dc1
SHA256

e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec
SHA512

2624832b89cc792aab6b7f8366fd5afc5cf79aa5c3cdc20e45fd547b1d3d9a65ba057505f06ebf62b9dc6f71f104e152131b20c8cdcd6c5cd47b5c0c57b1a0ff
SSDEEP

196608:Pv5UAWrtJP706QWu8Cx6TTryUAv9Z0HfkN:n5hWrtl706Q/IH1Av9yHf

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\SystemNaknik\\Nanik.exe\","	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe

description	pid	process	target process
PID 1412 set thread context of 4032	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	RegAsm.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4832 powershell.exe
4832 powershell.exe

pid	process
4832	powershell.exe
4832	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe
Token: SeDebugPrivilege	4832	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe

description	pid	process	target process
PID 1412 wrote to memory of 4832	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	powershell.exe
PID 1412 wrote to memory of 4832	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	powershell.exe
PID 1412 wrote to memory of 4032	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	RegAsm.exe
PID 1412 wrote to memory of 4032	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	RegAsm.exe
PID 1412 wrote to memory of 4032	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	RegAsm.exe
PID 1412 wrote to memory of 4032	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	RegAsm.exe
PID 1412 wrote to memory of 4032	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	RegAsm.exe
PID 1412 wrote to memory of 4032	1412	e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe
"C:\Users\Admin\AppData\Local\Temp\e0418fa6c397e401b1cfdbb5202296c45ea77100ae6f9c7e5868cc3393a854ec.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1412

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwADsAIABTAGUAdAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJwBDADoAXAAnAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
2⤵
PID:4032

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1412-132-0x0000000000190000-0x000000000080A000-memory.dmp

Filesize
6.5MB

Download
memory/1412-133-0x00007FFFCD950000-0x00007FFFCE411000-memory.dmp

Filesize
10.8MB

Download
memory/1412-134-0x000000001D1E0000-0x000000001D202000-memory.dmp

Filesize
136KB

Download
memory/1412-137-0x00007FFFCD950000-0x00007FFFCE411000-memory.dmp

Filesize
10.8MB

Download
memory/1412-141-0x00007FFFCD950000-0x00007FFFCE411000-memory.dmp

Filesize
10.8MB

Download
memory/4032-140-0x0000000140000000-mapping.dmp

Download
memory/4032-139-0x0000000140000000-0x00000001405C8000-memory.dmp

Filesize
5.8MB

Download
memory/4032-142-0x00007FFFCD950000-0x00007FFFCE411000-memory.dmp

Filesize
10.8MB

Download
memory/4032-143-0x00007FFFCD950000-0x00007FFFCE411000-memory.dmp

Filesize
10.8MB

Download
memory/4832-135-0x0000000000000000-mapping.dmp

Download
memory/4832-136-0x00007FFFCD950000-0x00007FFFCE411000-memory.dmp

Filesize
10.8MB

Download
memory/4832-138-0x00007FFFCD950000-0x00007FFFCE411000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads