abf685e78562fa3aee73f00110685c5c7340ede3acb6fcda88ba25ad85a4b180

Analysis

max time kernel
151s
max time network
137s
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/Hairband Charm.exp3.json
Size

164B
MD5

d87436e32823afaca21a26522094fe28
SHA1

660831215e330265e499668371c9a1ff8a4d72b1
SHA256

dfa81ae55bdd2b7948a29981ddf146669e898297c6b0720cbda8df089a35f4b9
SHA512

9dfe7703c2268bd3ad56962644f74018723e37526d61221df7d4f0f7bd3796e2d7ffbd5355d0526910bff310d8d731c9005957d4412055eeffdbac9796aa6239

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-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2788	2684	cmd.exe	31
PID 2684 wrote to memory of 2788	2684	cmd.exe	31
PID 2684 wrote to memory of 2788	2684	cmd.exe	31
PID 2788 wrote to memory of 2764	2788	rundll32.exe	32
PID 2788 wrote to memory of 2764	2788	rundll32.exe	32
PID 2788 wrote to memory of 2764	2788	rundll32.exe	32
PID 2788 wrote to memory of 2764	2788	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\Hairband Charm.exp3.json"
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- 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\Hairband Charm.exp3.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\Hairband Charm.exp3.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2764

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
3c57d31bee82df223190dccf9b436f64

SHA1
cb7e5146fd21c47a1e4fe982996a7cd9e8eb84f8

SHA256
856e2816382f176a27f7b3b944b9dadf57c4e94add5b751697a8b5965317f625

SHA512
719754fb5265aca703f74af5e5ba7084aa3bf390d246312a4c455ddfa1afbe1f37883d315ffecee08dad939d1bd7ffee42eab45cdfd0c111773024526e2e28f3

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