8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6

Analysis

max time kernel
45s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02-10-2022 00:39

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General

Target

8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe
Size

64KB
MD5

6b21afc05abf11330a50244d41ffde70
SHA1

81173a14c29e863258da5d1d0775cafcc469c965
SHA256

8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6
SHA512

50ab579145ef39bae2d54afbb1404957afec0e06495e5885ce017e1aa13bf279421ccaefdbb4ea9ece5baad3156e9a0b5c7093114d5135ec1f57d5ae0f5b1585
SSDEEP

768:uPoiwI5f98ZQHegeH22Au7gOKktdptJf1IHI8ANO26n6mOuqh+loCD4te:uPoix+/vSHBT26n67j+l

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
852	cmd.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1256	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1256	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1896	8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 852	1896	8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe	29
PID 1896 wrote to memory of 852	1896	8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe	29
PID 1896 wrote to memory of 852	1896	8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe	29
PID 1896 wrote to memory of 852	1896	8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe	29
PID 852 wrote to memory of 1256	852	cmd.exe	31
PID 852 wrote to memory of 1256	852	cmd.exe	31
PID 852 wrote to memory of 1256	852	cmd.exe	31
PID 852 wrote to memory of 1256	852	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe
"C:\Users\Admin\AppData\Local\Temp\8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 8eef2a18096cdaa1bce9895984b6e067bb6a4da7684b529967bff2f42b7803c6.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:852
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/852-57-0x0000000000000000-mapping.dmp

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memory/1256-58-0x0000000000000000-mapping.dmp

Download
memory/1896-56-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

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