abf685e78562fa3aee73f00110685c5c7340ede3acb6fcda88ba25ad85a4b180

Analysis

max time kernel
150s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/03/2025, 20:53

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General

Target

custom_Suiika_V1_03/Custom_Suiika_V1_03_4k/Expressions/Ponytail.exp3.json
Size

1KB
MD5

262c1d334381e02a092c3d6858a27c34
SHA1

7d6206dbc92b2420c319315f9d028d9c64a07875
SHA256

ab4f21ecd7ce3bdcffba05be67a55b5ab23e2f212c4ea4bf2cc3d464200e6744
SHA512

d3977027aed61bac4b20900a813ca4ab50ca9bcabb188647468e43ef829894659c6bf18178af589af17078dd88a825a21e011eb6df43d53d188f0be84af3bd46

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 1528	2780	cmd.exe	31
PID 2780 wrote to memory of 1528	2780	cmd.exe	31
PID 2780 wrote to memory of 1528	2780	cmd.exe	31
PID 1528 wrote to memory of 2592	1528	rundll32.exe	32
PID 1528 wrote to memory of 2592	1528	rundll32.exe	32
PID 1528 wrote to memory of 2592	1528	rundll32.exe	32
PID 1528 wrote to memory of 2592	1528	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\custom_Suiika_V1_03\Custom_Suiika_V1_03_4k\Expressions\Ponytail.exp3.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\custom_Suiika_V1_03\Custom_Suiika_V1_03_4k\Expressions\Ponytail.exp3.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\custom_Suiika_V1_03\Custom_Suiika_V1_03_4k\Expressions\Ponytail.exp3.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
abe1193c4961310ac4d46ca83d0f11b6

SHA1
df529f443e14164d018330cc640b452ad7129786

SHA256
8f6c9662119858e499fc99b4d29cf4c92115567bce4041f3e2ed59d13ddcbc69

SHA512
84202225647529b61e69d19bc9c59dc11998f602f6b7599ff176f99b06ace68c3e9aad97c770f91c869d3485f3bba8ddcd47c985b99c3b0a8d925f5386a86d17

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