6d67a6b7b72220845abe6f3b798f509528e43de3afa798dcf36047996cc4a27e

Analysis

max time kernel
103s
max time network
46s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 12:19

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General

Target
Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1/Yuka - Scattered Shards of the Yokai/locales/ar.pak.info
Size 399KB
Sample240511-phgfwsae99
SHA256 bf21e2115acd7bdbb21f5af28f4ba838c6b6780851561464069863b114479df5
MD5 05256d40928c25dbdaadeb6b5eb44e61
SHA1 fad224f545e6adbdd5f9b80e8b4c0a5c4510837e
SHA512 06bfeecea6b7d5f01c4b00460f73deed4fe7ecf3745b64824ea9598151cf654b2a3b75dbc4d5b0269813bbd89db7f271a7f6caa24930d88c13ffd04454c5004e
SSDEEP 6144:uEsnBtZXJnkjiuXYbNjYHOBKhEb1o6+jiR2i5:UajPXYbNjYHOBKh2Rt5
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\info_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.info	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\info_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\info_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.info\ = "info_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\info_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\info_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\info_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2560	AcroRd32.exe
2560	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2932	2256	cmd.exe	29
PID 2256 wrote to memory of 2932	2256	cmd.exe	29
PID 2256 wrote to memory of 2932	2256	cmd.exe	29
PID 2932 wrote to memory of 2560	2932	rundll32.exe	30
PID 2932 wrote to memory of 2560	2932	rundll32.exe	30
PID 2932 wrote to memory of 2560	2932	rundll32.exe	30
PID 2932 wrote to memory of 2560	2932	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\locales\ar.pak.info"
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\locales\ar.pak.info
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2932
- - 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\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\locales\ar.pak.info"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 fe988ec06a22bc69241f408aa82ef63e342e7a428517daefc93e140907cad359
MD5 1b2de59a35abff143f69c4fb269e2f6e
SHA1 94cfe00ff17b5c6d7b59e76e14b30a52a04882f6
SHA512 3a57c20c026a5ccc29d279bfb98a1a71571aed1c11cdb880579478236cdb531fccc1f838713e3e3600d26359d946d6d915310045d43787a438ba10cb6dd2e307
MD5 SHA1 SHA512

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