b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1

General

Target
b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe
Size 151KB
Sample220220-db75gsghgp
SHA256 b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1
MD5 2af0f010e71cb1ecddc52b13e4149ea2
SHA1 6caead7f091d18baa393cdea1955d43fd7853850
SHA512 72856c70b931cbb1e0bf6c006cb959d7735cde779d40e56964e58578daf91ac0e0cbf8f3fb05efba3afe7400e3f2450acc98b711f1b29b2a9fb891ae86b13f66
MD5 SHA1 SHA512

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.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

pid	Process
4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe
4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 1516	4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe	84
PID 4536 wrote to memory of 1516	4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe	84
PID 4536 wrote to memory of 2360	4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe	53
PID 1516 wrote to memory of 2716	1516	cmd.exe	86
PID 1516 wrote to memory of 2716	1516	cmd.exe	86
PID 4536 wrote to memory of 2408	4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe	50
PID 4536 wrote to memory of 2688	4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe	43
PID 4536 wrote to memory of 3160	4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe	40
PID 4536 wrote to memory of 3364	4536	b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe	39

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3364

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3160

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2688

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2408

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2360

C:\Users\Admin\AppData\Local\Temp\b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe
"C:\Users\Admin\AppData\Local\Temp\b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\system32\reg.exe
    REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\b7e945a8dafc91ebe8c8717ee3107498afc1ad5461599611d2fb07aaa7700aa1.exe" /f
    3⤵
    PID:2716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2360-130-0x00007FF7933F0000-0x00007FF793779000-memory.dmp

Download

Analysis

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