f5128e0f58070f9a6c6f6fb10bb80ccfaeaae755b451731027cc3eaab9a5bb42

Analysis

max time kernel
118s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 14:26

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General

Target

OPP/Assets/Sprites-Outline.shader
Size

10KB
MD5

fca42a14dbbfc9e55ae5e49131f388b9
SHA1

52175c9991b76b82f82315733652875d409b8a9a
SHA256

749c87414d494611e28eb3601cfe8fe7cae8dc55601c56cd1281fbbd936a69a7
SHA512

ab2f7fa359afc89d1b15357aa3ef3f4889b45464eec3d8144456501c2c94995c4b78309e2451af8ce24ca2a186713c37e1a75d981867c891a1d7df9e8726d78b
SSDEEP

96:qFw+5wYKqjhMfVLejXoikvvMa3gH3DjJgveR/eRFTUHNHFCSNvRT4RA4ReA8h9hw:WuqhALmNknGXDjJgfT8CSNNtRm

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-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\shader_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\shader_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\shader_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\shader_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.shader	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.shader\ = "shader_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\shader_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\shader_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2084	AcroRd32.exe
2084	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2672	2224	cmd.exe	29
PID 2224 wrote to memory of 2672	2224	cmd.exe	29
PID 2224 wrote to memory of 2672	2224	cmd.exe	29
PID 2672 wrote to memory of 2084	2672	rundll32.exe	30
PID 2672 wrote to memory of 2084	2672	rundll32.exe	30
PID 2672 wrote to memory of 2084	2672	rundll32.exe	30
PID 2672 wrote to memory of 2084	2672	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\OPP\Assets\Sprites-Outline.shader
1⤵
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\OPP\Assets\Sprites-Outline.shader
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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\OPP\Assets\Sprites-Outline.shader"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2084

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

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

Filesize
3KB

MD5
57f2e3b0c8a5eacf002c79e295081993

SHA1
b91eb3299196bce807429c9267e0d31da3b6ff10

SHA256
543b6cea2df8a1f78367dd0d30d08ca9489ff336a9661db84bd2b3f90157b8fa

SHA512
c1104d49b25e3254fab4c41e7cbade7d9eecd0065f945bfa06368561df4baf98aa89a7de75800571b818ed6053c6efe7428e040f6374bfb74bd7583e85672cf0

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