a267a87d74e15c2b281f4268cf1e3d7e5c5586cf856549528e42d9436e04c9b9

Analysis

max time kernel
139s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 11:17

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General

Target

doc_details.pyc
Size

7KB
MD5

32388de010fa9265455445eb58a28272
SHA1

a415a3da0a51a81efda771e02a452cf88c8f51f1
SHA256

f1e9b6f8401c2802efd5937309c8069b94c566450c1d2513722d616b6793a05e
SHA512

9cfb55fddaed058da8500a22ed9e586c70b6607047f6a34baf5e67df9c0e12ea0d2dfa6d15e4d01d80c5942d27c5f884f1d22e32485b915d24de645f66fd02c8
SSDEEP

192:IU022avyny8TAae09ec8OZ7PWQKv1iNy+Dz:Idayy8TJes7PWQKv1qyy

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2640	2892	cmd.exe	29
PID 2892 wrote to memory of 2640	2892	cmd.exe	29
PID 2892 wrote to memory of 2640	2892	cmd.exe	29
PID 2640 wrote to memory of 2672	2640	rundll32.exe	30
PID 2640 wrote to memory of 2672	2640	rundll32.exe	30
PID 2640 wrote to memory of 2672	2640	rundll32.exe	30
PID 2640 wrote to memory of 2672	2640	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\doc_details.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\doc_details.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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\doc_details.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2672

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
ccbc138332f59972043cd8d09a618419

SHA1
3cb852c6df5f547e7ee13941723e4f7fea16747f

SHA256
b5421637cc35fb1d5405d01a1b9a66cebfe5f92594ba62e40dc200e9b1df12da

SHA512
ae16bc7e7f42d127829f465d7a5576b20fb2955c3b16fb4eca619a2f68fda1da520b044cc95a2a1d50724692a0d287ab6ec277b820e991fb4189baf7a5ea11f5

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