ec093afe6c253825872e53b051d7a38abfe0b1f737f19a42f83068d196c2c809

Analysis

max time kernel
150s
max time network
73s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
12-02-2023 00:43

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General

Target

textures/metal/diffuse.dds
Size

153KB
MD5

117b951ef79615f345d42c8f07a3614e
SHA1

0aebcfa546b1dad430624cda766bca39b08ddcfe
SHA256

5195510dc112841cdeb6f3c47e2128bc137e8d9db7e7e502d68221a7b42cc441
SHA512

933f1fe28aaeacecef4c8f84390c89cde800f6bbc0a0e6369e62b573931db8092f0ed63c8f87811baeb2f8cc8e4870ddd772d66f4fcade417ec912f96e632882
SSDEEP

6:GZqljoTX/aeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeed:GZmUTX/as

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\dds_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.dds	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\dds_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\dds_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\dds_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\dds_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\dds_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.dds\ = "dds_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 888	1232	cmd.exe	29
PID 1232 wrote to memory of 888	1232	cmd.exe	29
PID 1232 wrote to memory of 888	1232	cmd.exe	29
PID 888 wrote to memory of 1728	888	rundll32.exe	31
PID 888 wrote to memory of 1728	888	rundll32.exe	31
PID 888 wrote to memory of 1728	888	rundll32.exe	31
PID 888 wrote to memory of 1728	888	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\textures\metal\diffuse.dds
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\textures\metal\diffuse.dds
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:888
- - 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\textures\metal\diffuse.dds"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1728

Network

MITRE ATT&CK Enterprise v6

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

memory/888-76-0x0000000000000000-mapping.dmp

Download
memory/1232-54-0x000007FEFBB31000-0x000007FEFBB33000-memory.dmp

Filesize
8KB

Download
memory/1728-81-0x0000000000000000-mapping.dmp

Download
memory/1728-82-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download