6d67a6b7b72220845abe6f3b798f509528e43de3afa798dcf36047996cc4a27e

Analysis

max time kernel
114s
max time network
38s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-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/www/audio/bgm/2000_Opening2.rpgmvo
Size 3.9MB
Sample240511-phgfwsae99
SHA256 964b8c8697a3b940014ae399b2746aad6ac3636b2d1b3de9e7a7a71465c81eb2
MD5 f9f7636f39523f9499aec2ac824269e8
SHA1 54531b3ceaff22246a6a468056aa0fb55ebe45b9
SHA512 4d074ed8209bca32716adfa4e7dd27d96cc656b29d4b15813b980127c27c2107ec538b5f6656e9603e908bb94e5408c504af1edf2a95a30160435eafee36f6e3
SSDEEP 98304:/0Au6ZU50EB+qeEJ6ggqSIpRjofx3QmygX9p//EfBTDU6hDz:/0Ag/zeEJ6ggqvnjopRtX9p//iPU6l
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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\rpgmvo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\rpgmvo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.rpgmvo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.rpgmvo\ = "rpgmvo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\rpgmvo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\rpgmvo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\rpgmvo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\rpgmvo_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2284	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2284	AcroRd32.exe
2284	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2808	2792	cmd.exe	29
PID 2792 wrote to memory of 2808	2792	cmd.exe	29
PID 2792 wrote to memory of 2808	2792	cmd.exe	29
PID 2808 wrote to memory of 2284	2808	rundll32.exe	30
PID 2808 wrote to memory of 2284	2808	rundll32.exe	30
PID 2808 wrote to memory of 2284	2808	rundll32.exe	30
PID 2808 wrote to memory of 2284	2808	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\www\audio\bgm\2000_Opening2.rpgmvo"
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- 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\www\audio\bgm\2000_Opening2.rpgmvo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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\www\audio\bgm\2000_Opening2.rpgmvo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2284

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 c61ab61cd8374c9947b79a36e7da24f526c2727dbec185860bcc59b1f9819b94
MD5 dd5d8d7c85e505e1ce1f7a5272cdb5a1
SHA1 11551b5bdf7b9536031e18d2073334f7769eb622
SHA512 bdd531c677577dc5725ce80f535799be5a2998c6d8e2fd668b2fb3a0ff1a113db65450541e89ef1980a954ce34fc697dc37ff20c62e7cdbc1aeeff9e583f3b64
MD5 SHA1 SHA512

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