96930d130b4ba009076120a31f70314290241ba2243f6bd5bde14cc6dc170c8a

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02-03-2024 20:08

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-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_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-1-5-21-2461186416-2307104501-1787948496-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2932	2036	cmd.exe	29
PID 2036 wrote to memory of 2932	2036	cmd.exe	29
PID 2036 wrote to memory of 2932	2036	cmd.exe	29
PID 2932 wrote to memory of 2516	2932	rundll32.exe	30
PID 2932 wrote to memory of 2516	2932	rundll32.exe	30
PID 2932 wrote to memory of 2516	2932	rundll32.exe	30
PID 2932 wrote to memory of 2516	2932	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- 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:2932
- - 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:2516

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
f70c67505cb39a18c91224db981a302c

SHA1
9f537eb8aba4adec66261fff9440933a9c656509

SHA256
911c5164246be0207385bb7da6226b0c3cfdcbdb97d776f76b400992c98391ec

SHA512
f66975196b1748337733cbe77b2a5d76a76084b2d97358aaa8b02a3c78842141f5b0c18dc2cb2c37d0c1f75cc468146812afeb2788c741cf06cdd8793caebd29

Download Submit