27a94b5c46b4f4b31e422b1b93d44c2276fb3701f9cb0f03f80b85ac052d17cc

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
26-11-2023 19:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

main.pyc
Size

29KB
MD5

678169bd01b910630167a66a1bb70667
SHA1

138998ba4f3d5ddffabbee4db8d9059e53e820ad
SHA256

158d2975b2ad1775818107c054a971aa4e9d0275539d02042b3b1ee5e5d808a7
SHA512

88b40c640cc4a6c17c6653dadd7914b3d519f7c3ceee91c013acc8b89ef71a3e5e3c65ec3b604d65409dfa7477ffeb8a300cb2fdc6185f415b7e78f618d90c29
SSDEEP

768:K3qgS8iXB8eHegdkplKKljOd0CY52RwhHzW:K3qX8itddkpMKAdhYjhTW

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2928	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2604	2400	cmd.exe	29
PID 2400 wrote to memory of 2604	2400	cmd.exe	29
PID 2400 wrote to memory of 2604	2400	cmd.exe	29
PID 2604 wrote to memory of 2928	2604	rundll32.exe	30
PID 2604 wrote to memory of 2928	2604	rundll32.exe	30
PID 2604 wrote to memory of 2928	2604	rundll32.exe	30
PID 2604 wrote to memory of 2928	2604	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- 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:2604
- - 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:2928

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
d766f61e83a33cd27b435b8acb167304

SHA1
4c920dbba9055bbca9cdd95e710988633026622d

SHA256
f492c327c7d62163921f5b306163d023d88b1400fbdf1d8279007b8180c97eb6

SHA512
1e6ed99558b6824f917bf0a80b732bc4622155fe2cbb2ef80bd04dc066a1502735900b61750bfdb5f5a89250e41b3f35d004034d44f93c48011cceb37123f72d

Download Submit