f834a273654b9b00270c6bd168d1917c6df1cee1175110ba357b7f2052b32d9e

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 17:25

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General

Target

UwU/data.pkl
Size

60KB
MD5

e767fdd035eb3dc2e246c38d91241eeb
SHA1

c4faa107ed2218c48f1910b9b759c298127a5d49
SHA256

19081e6b4e8adf5cf617c4600d76f94682917301a8376369778f39c649dd1648
SHA512

1ce24e38d477ce93d701654fbb8dc3b336b6a8c1304dc07102ae17d334504e011b1128f1c317102811a1f5cb96d21d5b440b1173008ab9b8bae4685534cf458b
SSDEEP

1536:eE0IMIR7Gim8tRst+k/Y0/mR0TM0jPSLqYH5uwHOaDsisp:ehIr7GijtOcf5uwHZc

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\.pkl	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.pkl\ = "pkl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pkl_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pkl_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pkl_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pkl_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pkl_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\pkl_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1068	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1068	AcroRd32.exe
1068	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2680	2760	cmd.exe	29
PID 2760 wrote to memory of 2680	2760	cmd.exe	29
PID 2760 wrote to memory of 2680	2760	cmd.exe	29
PID 2680 wrote to memory of 1068	2680	rundll32.exe	30
PID 2680 wrote to memory of 1068	2680	rundll32.exe	30
PID 2680 wrote to memory of 1068	2680	rundll32.exe	30
PID 2680 wrote to memory of 1068	2680	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\UwU\data.pkl
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\UwU\data.pkl
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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\UwU\data.pkl"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1068

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
933719d7fe1dcfc2ac91c57477c52b17

SHA1
5e25ce2b0870f75096aaaa897b5966e4a3985787

SHA256
999cf7c9607d6c9763f5159ce8b95e6f37cbddf1bceb375c59ba6247bdae5d02

SHA512
1d04f6cd0ec904b56524592a4c3b1b9befb9f5313f036d81f680ab28cd37a818d6a5360831169d2b1a31158e2b2e65fa08e027c5eef0ce39a1ef5624d7281d47

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