96bac43faac2b1fa5e0bc495975b2e642af5da181e313a9c8f541912b83c0edb

Analysis

max time kernel
119s
max time network
128s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 02:27

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General

Target

qbittorrent.pdb
Size

139.7MB
MD5

9ea92840d804f74aab17c79b820af2b7
SHA1

42a2f607757b6cb129935dad261f0a86ddc2fceb
SHA256

f8861d92c7609d41ee0f1b14eed1e31dedc1c735c36a47391e21c5e79be8b1e5
SHA512

0a163163899aff81a7175bef5db9323a5b44b8ee00deb203d8741fa42d0ef12a9e92eb3bcde54605cb0c31a702d136d5239aea532f2aa7eff98edb238da022b9
SSDEEP

393216:qYZBCzIX4Y0jTSMLGzgKb6BkaZIaCbLeTaUh94fSNzXUt4X:pfX4YDgpBkX3+

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-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pdb_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pdb_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pdb_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
240	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
240	AcroRd32.exe
240	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2660	2228	cmd.exe	29
PID 2228 wrote to memory of 2660	2228	cmd.exe	29
PID 2228 wrote to memory of 2660	2228	cmd.exe	29
PID 2660 wrote to memory of 240	2660	rundll32.exe	30
PID 2660 wrote to memory of 240	2660	rundll32.exe	30
PID 2660 wrote to memory of 240	2660	rundll32.exe	30
PID 2660 wrote to memory of 240	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\qbittorrent.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- 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:2660
- - 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:240

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
5773e50a31860068001143883dcba514

SHA1
5ee5257c07dbc9120a8a9bba6389236f3230f1be

SHA256
db4c2b1557233f6269c95653ee5c1168d9a6349ee74fa960e7cbd6881fc34c8a

SHA512
2a47a7976bb65a5521fe68f80eacdea4cbd541aee57d347ce2492e4d88569886b3d1c69431172086cfc67e670c368463b7618b3e37356ae11b9b28ca78959282

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