b2ccafddf7ab461e1b6e860f858fe0361247884a1371c0e17b2db955409aebfe

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 14:09

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General

Target

pizdec123123.pyc
Size

9KB
MD5

6d1f224a4cd96fdf9562663bc0eb623d
SHA1

01954ec5043e50c846184373889c13f50731b464
SHA256

a8b286e2928c6be6a8bf36850c903a7061255070c3803a4a3a6bb0cffbc1ea75
SHA512

f296943a57b7477596d121bb5d3a40135dba8b2aeca6ace31067415e3fbea26473c6e2bc5963b46d2567f493c2fe3c0112f65bfc4c7696045caecfe22d3302cb
SSDEEP

192:dYzQ2UzR65cNTme0KBjo5OX4Czzw5UwO0mPbFbZY6dyDh:dkBUF6qNT7Bc5o4Czzw5e/dm

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-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_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
2888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2888	AcroRd32.exe
2888	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2732	3000	cmd.exe	29
PID 3000 wrote to memory of 2732	3000	cmd.exe	29
PID 3000 wrote to memory of 2732	3000	cmd.exe	29
PID 2732 wrote to memory of 2888	2732	rundll32.exe	30
PID 2732 wrote to memory of 2888	2732	rundll32.exe	30
PID 2732 wrote to memory of 2888	2732	rundll32.exe	30
PID 2732 wrote to memory of 2888	2732	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\pizdec123123.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\pizdec123123.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2732
- - 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\pizdec123123.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2888

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
dd4d8547c42b8b3872e9e9fa3fe8d62e

SHA1
3203e232d7e3efc0e13ac3db7c18290a46224fd7

SHA256
606d4eaf3ac0cb6aa0d205e7f10e1a0d61e3bf14d3faf05e26c92fedc8f385c2

SHA512
ec2e693fafd78cd0eb0794c472330344407dab0f2bbeb0315e258ac90bb1b5dfc5881dca55382397cb64059a217fbe3786fcadaaf289c3187ca7168eb7ad8467

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