fd8d899b17767f1f6ddb53565ce3cd48ee990c2a640889f1776c16634d3322f9

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:42

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General

Target

upload.py
Size

476KB
MD5

7670609e0ed9db006622331ec7ac9cda
SHA1

67a72951853b878c6493581880d1ee0213a30c8e
SHA256

baab9cf7b248391d402af8c06751fec8c7bc17ded911a934b21f46a357324eb3
SHA512

9c3a5358028add81d325b1950155115ab1687bfec5a6f3ca28c8eb2e295cb65b9e83d7a79729647135fd06a717a2a0b8700aa95accf839210ae754a95f92ff5b
SSDEEP

12288:/a1oBG4DIf0YFrdbtehIG2Ue4rtY29tBBJ+Cvb76iwwO:/4f5VdB9HUe4SIBJ+CvbOiw/

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2532 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2532 AcroRd32.exe
2532 AcroRd32.exe

pid	process
2532	AcroRd32.exe

pid	process
2532	AcroRd32.exe
2532	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2724 wrote to memory of 2548	2724	cmd.exe	rundll32.exe
PID 2724 wrote to memory of 2548	2724	cmd.exe	rundll32.exe
PID 2724 wrote to memory of 2548	2724	cmd.exe	rundll32.exe
PID 2548 wrote to memory of 2532	2548	rundll32.exe	AcroRd32.exe
PID 2548 wrote to memory of 2532	2548	rundll32.exe	AcroRd32.exe
PID 2548 wrote to memory of 2532	2548	rundll32.exe	AcroRd32.exe
PID 2548 wrote to memory of 2532	2548	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\upload.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2724

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\upload.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2548

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\upload.py"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2532

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

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Downloads

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

MD5
cc38de853af05ec3b5f65c147b9a09e7

SHA1
e07f64579a1c81a6ee95f24f6d9ea44aa9381ddd

SHA256
46b31dc6ff1da9ab0c6f429f320fe80d9342a8360c6765e798fc18caeec26d79

SHA512
ce28dbd6d4a1ae9aaab3763d3ad24b8b16eac26d7a01481690a211e3110f6213d2ab136a7d091202baa39bc56c0f86ebb20c975435e9d5459f0936f8da44facf

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