abf685e78562fa3aee73f00110685c5c7340ede3acb6fcda88ba25ad85a4b180

Analysis

max time kernel
150s
max time network
135s
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/Hearts.exp3.json
Size

165B
MD5

d3796d1c4b23bdf3e7d1048630beafbd
SHA1

b3c795aa4100a704fd9103c640a64309e340e06f
SHA256

3f084fdddd545ee565beb7fa5e4552e7ada0b168df6be0a55b56f1e919fe78b6
SHA512

e59e4ddbf73c363c62deff07aee33a8eab838004e1d7b6aaae9ebd885cfcb2af079f24ee9abd3f69ad816d4cbab8202a8a744cbfdb2c28c703d3b58409feaf59

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-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2228	2284	cmd.exe	32
PID 2284 wrote to memory of 2228	2284	cmd.exe	32
PID 2284 wrote to memory of 2228	2284	cmd.exe	32
PID 2228 wrote to memory of 2760	2228	rundll32.exe	33
PID 2228 wrote to memory of 2760	2228	rundll32.exe	33
PID 2228 wrote to memory of 2760	2228	rundll32.exe	33
PID 2228 wrote to memory of 2760	2228	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\custom_Suiika_V1_03\Custom_Suiika_V1_03_4k\Expressions\Hearts.exp3.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2284
- 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\Hearts.exp3.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2228
- - 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\Hearts.exp3.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2760

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
2654728ade0f584d866c5c90e5fa8837

SHA1
55350c9445f4d740dc066d7ccbe96d8e24678147

SHA256
d5ff0e6d48bc96a899ed130f3eeacfb194b59a4de470e22e3f0da626a7bc214e

SHA512
900040f3ebe9d84a4cda9bded8901bf4179530fb479c41cd50161f394d919e607f1e06de4b37b804a03f9432182a9765d46fbce659eb5e97633958f4ce5b3edf

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