8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/10/2022, 14:56

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General

Target

8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe
Size

107KB
MD5

53c6be20fb600488a5cd27fd7889d8a0
SHA1

6e45ad788ab78a163ff0c703b2978d9b172b9447
SHA256

8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8
SHA512

5e412c93479d3ba3512362d7bb654f5d1f2a516f9d2b42dde2769e43de052979caae93fee52cda8ab70180141a83426abd90948b9a3ad2f25faaa603c42c82ad
SSDEEP

1536:1PHPU4oh4BGCSer10tmisnifh4Vdnr0Ru9D8vujqHJM7f70/tF5Ug+QZspt:1Pvhrhr1mmzr0Ruy75UKWf

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2024	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	8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.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
1972	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1532	8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 2024	1532	8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe	28
PID 1532 wrote to memory of 2024	1532	8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe	28
PID 1532 wrote to memory of 2024	1532	8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe	28
PID 1532 wrote to memory of 2024	1532	8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe	28
PID 2024 wrote to memory of 1972	2024	cmd.exe	29
PID 2024 wrote to memory of 1972	2024	cmd.exe	29
PID 2024 wrote to memory of 1972	2024	cmd.exe	29
PID 2024 wrote to memory of 1972	2024	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe
"C:\Users\Admin\AppData\Local\Temp\8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 8a4c1df1ac7b6cdf15fdade5e197d59b0ee4c781c5028111c3901b30fc8f79a8.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1972

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/1532-56-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

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memory/1532-57-0x0000000003E10000-0x00000000048CA000-memory.dmp

Filesize
10.7MB

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