96930d130b4ba009076120a31f70314290241ba2243f6bd5bde14cc6dc170c8a

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02-03-2024 20:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

main.pyc
Size

27KB
MD5

41f7c767ec1ec7826254edd468c46341
SHA1

0f8c08ffbc4e4055510c5ff49182444e9f3b386c
SHA256

53f793e722a296f36a0698e5a2c50858db5f034c6ad3e50b0d2935a7dfcbe0ca
SHA512

9d3ed1b2cfde4cd57586d035e02066407312467411ec7f13fea2dfdd31596c928582a2aa2a44bc684edbfacf02701bdceb85466d83494846d45b0c38a0443b71
SSDEEP

768:nFXTWQLa1soRhsojXN6H517YcKgir+XXZ:nhRLa1s/FH7Di6Xp

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-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_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
2456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2456	AcroRd32.exe
2456	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2676	2144	cmd.exe	29
PID 2144 wrote to memory of 2676	2144	cmd.exe	29
PID 2144 wrote to memory of 2676	2144	cmd.exe	29
PID 2676 wrote to memory of 2456	2676	rundll32.exe	30
PID 2676 wrote to memory of 2456	2676	rundll32.exe	30
PID 2676 wrote to memory of 2456	2676	rundll32.exe	30
PID 2676 wrote to memory of 2456	2676	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2676
- - 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\main.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2456

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
37485d8f2d5bc02655625c835539fa18

SHA1
480e4fb85f601719ec702b206c7b84ddebc793a9

SHA256
9889b66bd32dd7df311eb096769393d1ced3abeb3e7dc77aa3e08f946a13a647

SHA512
b70893d775b5884950ca3ba010cba773e5aa5939a14f91cd8c6ffd55349b58071a7ecd2fe2a76273f4e0216ea3acb57e491acbec075f617d4cd5a2f8ca08bb3f

Download Submit