1ffd6559d21470c40dcf9236da51e5823d7ad58c93502279871c3fe7718c901c

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2022 07:42

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General

Target

tmpscsa0hng.exe
Size

392KB
MD5

d90d0f4d6dad402b5d025987030cc87c
SHA1

fad66bdf5c5dc2c050cbc574832c6995dba086a0
SHA256

1ffd6559d21470c40dcf9236da51e5823d7ad58c93502279871c3fe7718c901c
SHA512

c2faeacfd588585633630ad710f443a72c7617c2d5e37dbfe43570e6ac5904e4b81eb682356a48a93bb794ef5e9d8ad0d673966d57798079b4de62ea61241024

Score

7^/10

Malware Config

Signatures

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:

tmpscsa0hng.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	tmpscsa0hng.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

1832 powershell.exe
1832 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1832 powershell.exe

pid	process
1832	powershell.exe
1832	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1832	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

tmpscsa0hng.exe

description	pid	process	target process
PID 4324 wrote to memory of 1832	4324	tmpscsa0hng.exe	powershell.exe
PID 4324 wrote to memory of 1832	4324	tmpscsa0hng.exe	powershell.exe
PID 4324 wrote to memory of 1832	4324	tmpscsa0hng.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\tmpscsa0hng.exe
"C:\Users\Admin\AppData\Local\Temp\tmpscsa0hng.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" copy 'C:\Users\Admin\AppData\Local\Temp\tmpscsa0hng.exe' 'C:\ProgramData\SystemData\igfxCUIService.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1832-130-0x0000000000000000-mapping.dmp

Download
memory/1832-131-0x0000000002E30000-0x0000000002E66000-memory.dmp

Filesize
216KB

Download
memory/1832-132-0x00000000058C0000-0x0000000005EE8000-memory.dmp

Filesize
6.2MB

Download
memory/1832-133-0x0000000005680000-0x00000000056A2000-memory.dmp

Filesize
136KB

Download
memory/1832-134-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/1832-135-0x0000000006020000-0x0000000006086000-memory.dmp

Filesize
408KB

Download
memory/1832-136-0x0000000006760000-0x000000000677E000-memory.dmp

Filesize
120KB

Download
memory/1832-137-0x0000000007760000-0x00000000077F6000-memory.dmp

Filesize
600KB

Download
memory/1832-138-0x0000000006C40000-0x0000000006C5A000-memory.dmp

Filesize
104KB

Download
memory/1832-139-0x0000000006CD0000-0x0000000006CF2000-memory.dmp

Filesize
136KB

Download
memory/1832-140-0x0000000007DB0000-0x0000000008354000-memory.dmp

Filesize
5.6MB

Download