f58677cc97b08626147265dfbe91b1a2087d8dba352c63e01c4dec6728b7a751

Analysis

max time kernel
357s
max time network
358s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 12:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

main.pyc
Size

779B
MD5

81ea747a4fd9b769d86081cc68df5e1b
SHA1

a0d33a2b0166b4a0b0a8ffe4542bd29e75746ee2
SHA256

7f984c143657ad1e553f34b8a4bcd3f75f0026a04524cfb6f6ad9d23494fc13f
SHA512

37745ba606317248fb0c79d3d72ea2cb58ad42ce3fe37b5ca21ca8b37530464421858a4fa9fa631329e7ee527c4e174c909994d84d875fac3d26d58bbd61cb12

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

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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

Processes:

AcroRd32.exe

pid process

2808 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2808 AcroRd32.exe
2808 AcroRd32.exe

pid	process
2808	AcroRd32.exe

pid	process
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1688 wrote to memory of 2456	1688	cmd.exe	rundll32.exe
PID 1688 wrote to memory of 2456	1688	cmd.exe	rundll32.exe
PID 1688 wrote to memory of 2456	1688	cmd.exe	rundll32.exe
PID 2456 wrote to memory of 2808	2456	rundll32.exe	AcroRd32.exe
PID 2456 wrote to memory of 2808	2456	rundll32.exe	AcroRd32.exe
PID 2456 wrote to memory of 2808	2456	rundll32.exe	AcroRd32.exe
PID 2456 wrote to memory of 2808	2456	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1688

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:2456

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:2808

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
4f7608531aacaa4dad6d2ac6f2eb4788

SHA1
e18c6ffef6ed75948476f7278c2838db844af05f

SHA256
50709d2681318a3ccc4736a55fb461182b8640d6cb9bc3abaf29a7713b8549bf

SHA512
79e804d38c10beeec205e76796c35ff2a2962147ab3c0ab8d99d92950d4a44cf16699ac7e3ab293ee1f742fe476ea9927700d38498ef945490959362f3ffba19

Download Submit