6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f

Analysis

max time kernel
30s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 03:07

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General

Target

6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe
Size

22KB
MD5

4b0db1800201e83f7c495d417dfa9870
SHA1

89c092e51db10b28fd245446c467080e2c4a9a07
SHA256

6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f
SHA512

167c5dbb5e0a1ef64fc7dc493dd9f7732277cd24f92a876b0470ba515508ec43163f298f5028df5e038591996479d5171441529f67306c4f01c6f4665925c494
SSDEEP

384:ymi713pTn4xH9p/mkT8rrqlqZUYvO+1UdPwPXGHuxctpd1:ymi7dm9ef8kzvJPXGHumfL

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1112	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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.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
588	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	588	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1964	6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1112	1964	6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe	29
PID 1964 wrote to memory of 1112	1964	6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe	29
PID 1964 wrote to memory of 1112	1964	6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe	29
PID 1964 wrote to memory of 1112	1964	6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe	29
PID 1112 wrote to memory of 588	1112	cmd.exe	31
PID 1112 wrote to memory of 588	1112	cmd.exe	31
PID 1112 wrote to memory of 588	1112	cmd.exe	31
PID 1112 wrote to memory of 588	1112	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe
"C:\Users\Admin\AppData\Local\Temp\6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 6f4a81ae50bb94340f65b12c384d08075e5c1a340e11a665878ae003bb10c33f.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:588

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/1964-56-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1964-57-0x00000000033E0000-0x0000000003E9A000-memory.dmp

Filesize
10.7MB

Download