abf685e78562fa3aee73f00110685c5c7340ede3acb6fcda88ba25ad85a4b180

Analysis

max time kernel
150s
max time network
138s
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/Over Body Twintails.exp3.json
Size

1KB
MD5

439a19bebedd07d88a9dd1d32f34cbf8
SHA1

f067fac89d2fab3e18af475f8f482f8a100d8fa1
SHA256

041baa70060130f50c52767afaa177dfe8ae9eec80ae0cf672dd8b6b3ff9aecf
SHA512

6da05c0ffac8900d7a0ed070218ad20976ad909252c469ed534cb2aedb1aa5b536f0a2172a7c957432a38bd6aa293d6b7f2cff0ce22f5d4229f217981d083ca4

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-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2824	1948	cmd.exe	31
PID 1948 wrote to memory of 2824	1948	cmd.exe	31
PID 1948 wrote to memory of 2824	1948	cmd.exe	31
PID 2824 wrote to memory of 2720	2824	rundll32.exe	32
PID 2824 wrote to memory of 2720	2824	rundll32.exe	32
PID 2824 wrote to memory of 2720	2824	rundll32.exe	32
PID 2824 wrote to memory of 2720	2824	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\Over Body Twintails.exp3.json"
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- 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\Over Body Twintails.exp3.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2824
- - 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\Over Body Twintails.exp3.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
c880c491c5f0380b9146be1062fb4699

SHA1
49f37aceffc2d6b9f3c95d00fa6ba120ecc84326

SHA256
a9e470ce700caf773d5ab79b1bb057e985dd59f559306b25ec392022aa10ecce

SHA512
24d54a17759ff9b24a2ad5b814dbda56b7b39fca93c7d8a2800537771cc46955bfc2f19aa50baa25db0d466d0efc957a6cff593981a244871e9bd77faa192dd1

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