b9ad79eaf7a4133f95f24c3b9d976c72f34264dc5c99030f0e57992cb5621f78

General

Target

tmp.exe
Size

3.0MB
MD5

eb80f7bddb699784baa9fbf2941eaf4a
SHA1

df6abbfd20e731689f3c7d2a55f45ac83fbbc40b
SHA256

b9ad79eaf7a4133f95f24c3b9d976c72f34264dc5c99030f0e57992cb5621f78
SHA512

3a1162e9fef849cb7143dc1898d4cfcfd87eb80ced0edb321dfa096686b25ae8a9a7f3ae8f37a09724d94f96d64e08940fc23c0b931ddd8a1e70e2792cb3fe47

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	tmp.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3804	tmp.exe
3804	tmp.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3164	tmp.exe
3164	tmp.exe
3164	tmp.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3164	tmp.exe
3164	tmp.exe
3164	tmp.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 3804	1756	tmp.exe	79
PID 1756 wrote to memory of 3804	1756	tmp.exe	79
PID 1756 wrote to memory of 3804	1756	tmp.exe	79
PID 1756 wrote to memory of 3164	1756	tmp.exe	80
PID 1756 wrote to memory of 3164	1756	tmp.exe	80
PID 1756 wrote to memory of 3164	1756	tmp.exe	80

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe" --local-service
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3804
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe" --local-control
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3164

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/1756-138-0x0000000003C90000-0x0000000003C91000-memory.dmp

Filesize
4KB

Download
memory/1756-135-0x0000000004040000-0x0000000004041000-memory.dmp

Filesize
4KB

Download
memory/1756-139-0x0000000006210000-0x0000000006211000-memory.dmp

Filesize
4KB

Download
memory/1756-140-0x0000000006220000-0x0000000006221000-memory.dmp

Filesize
4KB

Download
memory/1756-132-0x0000000000060000-0x0000000000C72000-memory.dmp

Filesize
12.1MB

Download
memory/1756-133-0x0000000001230000-0x0000000001231000-memory.dmp

Filesize
4KB

Download
memory/1756-145-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/1756-146-0x0000000006250000-0x0000000006251000-memory.dmp

Filesize
4KB

Download
memory/1756-147-0x0000000006260000-0x0000000006261000-memory.dmp

Filesize
4KB

Download
memory/1756-148-0x0000000006270000-0x0000000006271000-memory.dmp

Filesize
4KB

Download
memory/1756-136-0x00000000061E0000-0x00000000061E1000-memory.dmp

Filesize
4KB

Download
memory/1756-134-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/1756-154-0x00000000062C0000-0x00000000062C1000-memory.dmp

Filesize
4KB

Download
memory/1756-156-0x0000000004010000-0x0000000004011000-memory.dmp

Filesize
4KB

Download
memory/1756-155-0x0000000006320000-0x0000000006321000-memory.dmp

Filesize
4KB

Download
memory/1756-137-0x0000000006200000-0x0000000006201000-memory.dmp

Filesize
4KB

Download
memory/1756-130-0x0000000000060000-0x0000000000C72000-memory.dmp

Filesize
12.1MB

Download
memory/1756-149-0x00000000062A0000-0x00000000062A1000-memory.dmp

Filesize
4KB

Download
memory/3164-157-0x0000000000060000-0x0000000000C72000-memory.dmp

Filesize
12.1MB

Download
memory/3164-153-0x0000000001140000-0x0000000001141000-memory.dmp

Filesize
4KB

Download
memory/3164-141-0x0000000000060000-0x0000000000C72000-memory.dmp

Filesize
12.1MB

Download
memory/3804-160-0x0000000000060000-0x0000000000C72000-memory.dmp

Filesize
12.1MB

Download
memory/3804-142-0x0000000000060000-0x0000000000C72000-memory.dmp

Filesize
12.1MB

Download

Analysis

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