49120084b513287ae224f654854a88ed3a8bff124efa63d57db3f81d16adb846

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 17:21

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General

Target
qbittorrent.pdb
Size 141.0MB
Sample240125-vxa6babed3
SHA256 0a9607df7a5b4b516df3a54ac6d37c636754a5a90371b93cfa6fb88954e467a1
MD5 6e207803fc830e4dbe91e93c0d5e504e
SHA1 1b8f6a54d8d4df16405e52c60673fb43110f02a6
SHA512 de994a98a2f1fca4282d57abed39947da09a554f62eafa40d34e252ce618e35310d566cca599e0d16723e87415442c5e2caa454e93b1244331c8aee7be7005a8
SSDEEP 393216:B3NhDyrU7U5lzsQQhCnN8kJESmLAyrGZbFXSddg6W+3gUJHZUNq0TeuhN:B9hDyB5lZEW/fh
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
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pdb_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2264	3012	cmd.exe	29
PID 3012 wrote to memory of 2264	3012	cmd.exe	29
PID 3012 wrote to memory of 2264	3012	cmd.exe	29
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30
PID 2264 wrote to memory of 2708	2264	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\qbittorrent.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\qbittorrent.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2264
- - 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\qbittorrent.pdb"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2708

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 0943f30596c850480a1b1026ebea6e365a4b4a52e17e5ae9cd4a9e456994186e
MD5 6e956cf4fc2277708a2192a2ffeb9664
SHA1 298c3a04d6ab017d6239398103625f44241bbf29
SHA512 f5aecb8463e2a46f9baaa40201920192f9ebc8fb2525475ce134c24c9ad960ec81d8771735a837d27b783513600b32023374fdf5eb5d3cea2ce8aeccf14487a1
MD5 SHA1 SHA512

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