20ee527c87cdb4756892ad17681a18eebe52ccb8dd32a7268fb1f2a2bc8f4107

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 18:59

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General

Target

source_prepared.pyc
Size

185KB
MD5

b1db92ba5b841baa67482723db981c7c
SHA1

5dc2f98a343c5f531f8cb415b15091cfe207e378
SHA256

482455243fed709eacef14a050a57917c684679436f2c334ac16dca460a04942
SHA512

72fbc2062d7283de7f04d83d0ed304a475b3cba8bdbcd6ec919085f3d51a02a809baabbedf222db740f5236ddb5b8ebbb225b7f42182986b0cb1c8c97996c31d
SSDEEP

3072:wTHRkLaiI6A9MmlbJo2PEtelZN+tVZa/zqge6/qbCkn0:wTqWiILHJo28cN+7Za/zqgeqYCh

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_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-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2996	AcroRd32.exe
2996	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1264	1960	cmd.exe	31
PID 1960 wrote to memory of 1264	1960	cmd.exe	31
PID 1960 wrote to memory of 1264	1960	cmd.exe	31
PID 1264 wrote to memory of 2996	1264	rundll32.exe	32
PID 1264 wrote to memory of 2996	1264	rundll32.exe	32
PID 1264 wrote to memory of 2996	1264	rundll32.exe	32
PID 1264 wrote to memory of 2996	1264	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1264
- - 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\source_prepared.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
fd3e726c3e355a4ddcc1c19805e5e70f

SHA1
acc494dc89fa07c4ffb37aa65cebc71bf8db6f05

SHA256
90e5b5b8ea96c95ea14adf11fe6d837d3e3cef42d1b4e857dbf26474d710580f

SHA512
009997f2030dff3916e224ecc4fa08ea3ff0d645e2d21c48a46927f2e69fea99064ce723e6c36a14aa763a8aa2d124618b5a9e9e4425247d03f3c128c830bd99

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