af6db6f0e4a5928454be6b59f2a5c8a7eb75dbdae3178560081c48be23d62491

Analysis

max time kernel
150s
max time network
80s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24/03/2023, 04:12

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General

Target

DVDFab.StreamFab.v6.1.1.3.Multilingual.Portable-x64/App/DVDFab12/PYthon37/Lib/test/test_mailbox.py
Size

92KB
MD5

3cbdcfe97bffde378e9aa76909b369bf
SHA1

c419087c263b1e2f68ac57232f16b25f772137ec
SHA256

271842893bc15deb6d341f68650420d5f1f5745410697b3d4aec0b5eddd3234d
SHA512

45c37e50aad5711c1c0abdcb0a4c3689cd4f5c731a5cc0c90554aca8b74418de2efe7b8c5008d181a528436ab2bef3e8fa31bbd1b74980ec3e2c7ffd1cc6c155
SSDEEP

1536:AueJfqDutuJ8EeIbIFILvSZlyd53bmRdZzIltTmM3sz2fjkaSrl1kxaNzVlqIz0Y:AueJfFtuJ82E6b8gd5Liddu+ifjkaSrl

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1812	AcroRd32.exe
1812	AcroRd32.exe
1812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 516	1500	cmd.exe	29
PID 1500 wrote to memory of 516	1500	cmd.exe	29
PID 1500 wrote to memory of 516	1500	cmd.exe	29
PID 516 wrote to memory of 1812	516	rundll32.exe	30
PID 516 wrote to memory of 1812	516	rundll32.exe	30
PID 516 wrote to memory of 1812	516	rundll32.exe	30
PID 516 wrote to memory of 1812	516	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DVDFab.StreamFab.v6.1.1.3.Multilingual.Portable-x64\App\DVDFab12\PYthon37\Lib\test\test_mailbox.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\DVDFab.StreamFab.v6.1.1.3.Multilingual.Portable-x64\App\DVDFab12\PYthon37\Lib\test\test_mailbox.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:516
- - 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\DVDFab.StreamFab.v6.1.1.3.Multilingual.Portable-x64\App\DVDFab12\PYthon37\Lib\test\test_mailbox.py"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1812

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

Windows 7 deprecation

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