0676d31174e16c8f42c1d2fa87adf2c5623c121aef0e28f2dba9086a9077f105

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 15:18

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General

Target

菟籽散兵.7z
Size

78.3MB
MD5

1a59232ea056a35c3a7f2a58937575e9
SHA1

4242fefc0f06c99aeab99f8aa37ee9d601c5c43a
SHA256

7b7238d14f3abcf992db9c2a55d8f1d90efdb0b42843aade162cb5c783d938d7
SHA512

987e3fe692889c64a4df000e6616f7a9e06a37b4a915a17832d6f4e2da8acef17d70c69a350a22e4d363935be8e2ea60763f606c091565b9ee8066dbc57c06dc
SSDEEP

1572864:oVpTcHS+feaKpGHR3G9ItkmV1ZCjcyMH2NSgstsIa6Fxp2Z:gpTGaaKyFYItv1ZCDMWQts38p2Z

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-1-5-21-1712835645-2080934712-2142796781-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1712835645-2080934712-2142796781-1000_Classes\Local Settings	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2508	7zFM.exe
Token: 35	2508	7zFM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2508	7zFM.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 2508	3428	cmd.exe	89
PID 3428 wrote to memory of 2508	3428	cmd.exe	89

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\菟籽散兵.7z
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\菟籽散兵.7z"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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