a73f041afa6413f0fd67e9672bc4b956c9be1ca2f4de3bcf6455d5e0d3c67b89

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-05-2024 13:37

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General

Target

cryptic tool/cryptic.py
Size

7KB
MD5

9a6036f0e8099689d26f7e51d17fc813
SHA1

c3affc99c03616cce23c51176010c34be518826e
SHA256

9cd06d28c7fc2e39016804fb9752e22ad9bd4dbbdaa85616e9b8dbd06a7115cf
SHA512

90efd42052d6224907d0499ba2b1147c9525e9fe02cc28a7ea85b130e747797ca7a2082ab92f2d865862b84eca3cb5436d609aacd416a001e1e987d31990f79a
SSDEEP

192:1aeswUaUdWj7jPVKBmy2stkgerJomQ0S+eHpGzq:Q7O+JGzq

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\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\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\Local Settings	rundll32.exe
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	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2608	2256	cmd.exe	29
PID 2256 wrote to memory of 2608	2256	cmd.exe	29
PID 2256 wrote to memory of 2608	2256	cmd.exe	29
PID 2608 wrote to memory of 2680	2608	rundll32.exe	30
PID 2608 wrote to memory of 2680	2608	rundll32.exe	30
PID 2608 wrote to memory of 2680	2608	rundll32.exe	30
PID 2608 wrote to memory of 2680	2608	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\cryptic tool\cryptic.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cryptic tool\cryptic.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2608
- - 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\cryptic tool\cryptic.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2680

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
228b596f8d7500027090205c2d79d177

SHA1
af695a04ea6a960844d2bb3ec9c44878efb3b3c5

SHA256
fabef347419f981a224bbeca165d38aac8bdaa72316b8cf838a75bf825246caf

SHA512
086de882ef8bc99c29df40cc0dc546a972ed8bb0884f68786cb18a3a6be9c09924ec9f0f66c5083c4a76c86c0a4d4cd83e83d26b52a893fa36a88101da9db054

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