d1ae9e8fb0a11b3946f2bf4031ad05cfffb1060a6e460064f2d87df7defaf334

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 02:52

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General

Target

FixedTatsu.rar
Size

62.6MB
MD5

5b09dbb9ba7a13ae0b251e59fce810a1
SHA1

1fcce9fb5ac25a4d0f96ab2ac435c2538c940a01
SHA256

d1ae9e8fb0a11b3946f2bf4031ad05cfffb1060a6e460064f2d87df7defaf334
SHA512

0cbed13c4700d6b2f9fca0439c1c3425c5a78423a86a76f10032077ad532a2a44be01cc0ca8ddf62c7adb68aa596e0e68f2f7963a29c2fba8aee17fcba4e8e84
SSDEEP

1572864:9lqBK88mgPOlZD/ebtXeR8xqju8pls53R0dFrY0LucjsFfK:zkgPO3uXuEWV8xIFrYqrkK

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-1-5-21-996941297-2279405024-2328152752-1000\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-1-5-21-996941297-2279405024-2328152752-1000_Classes\Local Settings	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	5084	7zFM.exe
Token: 35	5084	7zFM.exe
Token: SeSecurityPrivilege	5084	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5084	7zFM.exe
5084	7zFM.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 5084	5016	cmd.exe	91
PID 5016 wrote to memory of 5084	5016	cmd.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\FixedTatsu.rar
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\FixedTatsu.rar"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:5084

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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