190aa963a6a8f6baf8454264cb86dda5a318d09c731be0e1bfe1275473ce8058

Analysis

max time kernel
151s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
27/11/2023, 15:07

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General

Target

copyreg.pyc
Size

7KB
MD5

addc13d419222de37ff4c30ea79d37b2
SHA1

22221cf3dad5cfbe35f1b80b754d37c30de99702
SHA256

056b9af052b9a66ce520d0ece213ad1e14f984095324214dc57207f36d714916
SHA512

1ab656e3489e5dcb5ccc530cc5b7d7bf6afb54e832fd373a0199ebd9dfff26ed93ffcbb917ae46b4de171a2faa3914a6383f5789c0d161cc8fc9e3c37e98447c
SSDEEP

192:7QHjFsVj85jbGa7lU0Qx4GL4MvX4ia7yfhm+Hj8TIxCqH7TG9TM:7QDqijb/xgZFo7sjJx9II

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-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_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
2844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 3028	2660	cmd.exe	29
PID 2660 wrote to memory of 3028	2660	cmd.exe	29
PID 2660 wrote to memory of 3028	2660	cmd.exe	29
PID 3028 wrote to memory of 2844	3028	rundll32.exe	30
PID 3028 wrote to memory of 2844	3028	rundll32.exe	30
PID 3028 wrote to memory of 2844	3028	rundll32.exe	30
PID 3028 wrote to memory of 2844	3028	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\copyreg.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\copyreg.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3028
- - 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\copyreg.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2844

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
eb1c43c7960e0ec1fd620b8006f6cbbd

SHA1
9d81a1e7d2889fd2d502ea9b880bbff3ba1881c0

SHA256
3f46e13ca5e30e4f1486e995f4e083ce5e8b8107c8188a79ec6f90aef67f0c50

SHA512
62ab62fd14a305ecbccac3c5a541cd10cf3d299e452b8123f30db2a2694f26a0a2ef8d66f9cb798b96a19c0eb0b12f10bdaf2c744d67f648448c3aa7018cc216

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