004d895dd55021b9dbadaa4c158dd6c4e80ba545031f0cca108f76a0d9a3fb10

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 20:06

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General

Target

shaders/shaders_d3d11.pack
Size

503KB
MD5

45e9c38d05de719922a5bb2b7107c5fc
SHA1

71887fd7ad9f4840c4b0a52c69c041b90ef63e88
SHA256

c8a77d2dc4aebc9ce31b69291c3e034ba6364fdd3ec545fbaf2ebd3ff256105a
SHA512

8c274640b688de120ad4a5d16ed3470a9a0a014c553e14d311117cdfe21d6b1e4ea51a4b2a28aa05fedaa1ef571044bd7dd08fef011db83208feb1f5b87f2e97
SSDEEP

3072:voqEOBBvxEKEjRXvJyMvwVaAkvCKO7ElDyj8vmVEX2yVIgPvcWnEFv6xGLZEysBs:voQBCRxyIAljBvgMWQsklUp

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-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pack_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pack	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pack\ = "pack_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pack_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pack_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pack_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pack_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pack_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	AcroRd32.exe
2756	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2216	2320	cmd.exe	30
PID 2320 wrote to memory of 2216	2320	cmd.exe	30
PID 2320 wrote to memory of 2216	2320	cmd.exe	30
PID 2216 wrote to memory of 2756	2216	rundll32.exe	31
PID 2216 wrote to memory of 2756	2216	rundll32.exe	31
PID 2216 wrote to memory of 2756	2216	rundll32.exe	31
PID 2216 wrote to memory of 2756	2216	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shaders\shaders_d3d11.pack
1⤵
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\shaders\shaders_d3d11.pack
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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\shaders\shaders_d3d11.pack"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2756

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
276560e9d7253a09c46cd8d044ca09b1

SHA1
4cb6cab702b54c98cc039519a21939def4df62b5

SHA256
21f14c666464e26173617e3fce71c4d3626a663a50a4ecf20612265d1b445228

SHA512
1513809ec5cc40c64a5e5d9313b90d31c8b799f6e0254a5c7d5c60d1255113384fdf5877832a7b2b861f493702931f03c42ff3dbe8f8e743fb599ba35aa02ef7

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