e6c7b104a0a3f8f2f639b767e4be9ab483a1bc57465de106653f211f3b4205eb

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-07-2024 21:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

decrypt.pyc
Size

15KB
MD5

d8190edf92bc2fb111cd8f3563e100dd
SHA1

bdcd6ec7925de3937875123bfde603e742d884a2
SHA256

c3ab2e8d826e37932b4ed23d4d4cc3a5094e83aeee6c31094aeab042a1d7fcb9
SHA512

499d057edc0b77d6d6570f28cc0f489768440fea1ff5cc6b5b3090b086dd10bdf6944e589694a255489d883c7ec336b69f43c4314bfbb17f1979763ad63f97eb
SSDEEP

384:wr/QD2INAgOFnLeb6LJwTWwH3s/DDv5JjBHxvZcZey:wbBIqg8nRiWwH3s/fxJlXAJ

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
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\pyc_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

2192 rundll32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2800 AcroRd32.exe
2800 AcroRd32.exe

pid	process
2192	rundll32.exe

pid	process
2800	AcroRd32.exe
2800	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1488 wrote to memory of 2192	1488	cmd.exe	rundll32.exe
PID 1488 wrote to memory of 2192	1488	cmd.exe	rundll32.exe
PID 1488 wrote to memory of 2192	1488	cmd.exe	rundll32.exe
PID 2192 wrote to memory of 2800	2192	rundll32.exe	AcroRd32.exe
PID 2192 wrote to memory of 2800	2192	rundll32.exe	AcroRd32.exe
PID 2192 wrote to memory of 2800	2192	rundll32.exe	AcroRd32.exe
PID 2192 wrote to memory of 2800	2192	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\decrypt.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\decrypt.pyc
2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2192

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\decrypt.pyc"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2800

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads