88ee94120df5b82ab33c90066f12ea1729e00a99a7f5c794b4c75f4b04e1a55d

General

Target
a51cfd750a3b0d1e0cff5fbf66cbfff2.exe
Size 133KB
Sample220613-hvx6vaedbp
SHA256 88ee94120df5b82ab33c90066f12ea1729e00a99a7f5c794b4c75f4b04e1a55d
MD5 a51cfd750a3b0d1e0cff5fbf66cbfff2
SHA1 4c250b36b989f8db219e7dd2414aa351bfdb9e3b
SHA512 693a31a0cf8cca427d995d17090bd6dc6897aca7ac979c6791e6b1790e0cd3f6cc8720c66ba46d22257fb5b50ab6ffb329b991296976509be4a48773881e3093
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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3416 set thread context of 5008	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	94

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3260	timeout.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3308	powershell.exe
3308	powershell.exe
3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe
3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe
5008	InstallUtil.exe
5008	InstallUtil.exe
5008	InstallUtil.exe
5008	InstallUtil.exe
5008	InstallUtil.exe
5008	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3308	powershell.exe
Token: SeDebugPrivilege	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe
Token: SeDebugPrivilege	5008	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 3308	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	82
PID 3416 wrote to memory of 3308	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	82
PID 3416 wrote to memory of 4976	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	90
PID 3416 wrote to memory of 4976	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	90
PID 4976 wrote to memory of 3260	4976	cmd.exe	92
PID 4976 wrote to memory of 3260	4976	cmd.exe	92
PID 3416 wrote to memory of 5008	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	94
PID 3416 wrote to memory of 5008	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	94
PID 3416 wrote to memory of 5008	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	94
PID 3416 wrote to memory of 5008	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	94
PID 3416 wrote to memory of 5008	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	94
PID 3416 wrote to memory of 5008	3416	a51cfd750a3b0d1e0cff5fbf66cbfff2.exe	94

C:\Users\Admin\AppData\Local\Temp\a51cfd750a3b0d1e0cff5fbf66cbfff2.exe
"C:\Users\Admin\AppData\Local\Temp\a51cfd750a3b0d1e0cff5fbf66cbfff2.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Start-Sleep -Seconds 19
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3308
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 20
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4976
- - C:\Windows\system32\timeout.exe
    timeout 20
    3⤵
    - Delays execution with timeout.exe
    PID:3260
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5008

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

Loading Replay Monitor...

Downloads

memory/3308-133-0x000001D589DA0000-0x000001D589DC2000-memory.dmp

Download

memory/3308-134-0x00007FF8A2BD0000-0x00007FF8A3691000-memory.dmp

Download

memory/3308-136-0x00007FF8A2BD0000-0x00007FF8A3691000-memory.dmp

Download

memory/3308-137-0x00007FF8A2BD0000-0x00007FF8A3691000-memory.dmp

Download

memory/3416-142-0x00007FF8A2BD0000-0x00007FF8A3691000-memory.dmp

Download

memory/3416-130-0x00000199D76D0000-0x00000199D76F4000-memory.dmp

Download

memory/3416-135-0x00007FF8A2BD0000-0x00007FF8A3691000-memory.dmp

Download

memory/3416-132-0x00007FF8A2BD0000-0x00007FF8A3691000-memory.dmp

Download

memory/5008-140-0x0000000140000000-0x000000014007A000-memory.dmp

Download

memory/5008-143-0x00007FF8A2BD0000-0x00007FF8A3691000-memory.dmp

Download

memory/5008-144-0x00007FF8A2BD0000-0x00007FF8A3691000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads