6d67a6b7b72220845abe6f3b798f509528e43de3afa798dcf36047996cc4a27e

Analysis

max time kernel
34s
max time network
44s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-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
Size 286KB
Sample240511-phgfwsae99
SHA256 72395a0fa37238d4063c5698035cf8811d8c5fc69e323ff92fc281fbb35f22f6
MD5 fd2e8674f0043124f60e96ab3b822c94
SHA1 0df8094551959742432986527484bf6e53afeddf
SHA512 28bf8f98822791efd8bea8459f778b2c48b537d00a2708c9149bd51f5640a8bf63639eebf2c70ef74d896201cb6b03ebce24cd81c9e96eeb52f0903f997f4e0e
SSDEEP 6144:e9XHSvHru4HU3pL6kxilzGmOAGbA5ANlObzDQ:Dvy4HGpL6+ilzGmOAGbA5ANlObzDQ
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
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2844	2400	cmd.exe	29
PID 2400 wrote to memory of 2844	2400	cmd.exe	29
PID 2400 wrote to memory of 2844	2400	cmd.exe	29
PID 2844 wrote to memory of 2812	2844	rundll32.exe	30
PID 2844 wrote to memory of 2812	2844	rundll32.exe	30
PID 2844 wrote to memory of 2812	2844	rundll32.exe	30
PID 2844 wrote to memory of 2812	2844	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"
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- 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
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2844
- - 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"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2812

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 6c38eec31f4ea49be8c907bdb93f324dca6f47392e99b7dfeb77bb40e073f870
MD5 a69d8cea362e8d4425c39a99bf478833
SHA1 d4b4983609847c87937607b16f2c8d83e368b04d
SHA512 3bb79afba8b889f63ef27a58d0fab2c985b5328cde08443719e0721c9a67b4e1727c48c6275268373bfcafd9e8a8c9900c063802f4561fbee4ab71a7e6a704ff
MD5 SHA1 SHA512

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