a02c6673d87414ead1acbcbf6e902716983e86b7ee86ec7e858d8e082faa0662

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
28/08/2024, 01:39

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General

Target

source_prepared.pyc
Size

185KB
MD5

38214afec5a2f47eae61a16ce7b044ad
SHA1

ad46276add9de09eea899a0de194d9e9cc18ec13
SHA256

c8960520b2c634631d22d522e88f08ed7e489be6b9689e387777387d4d0ce2e6
SHA512

cd770fad01b5dd80b9508136bdb1db7426ecab45ac05b878fa93458abcdb869a3c15fbda6f57310889d716021409cf45334ab2f5f0e7f9ab4c13a749d758ba24
SSDEEP

3072:wTf2iaLa+/4A9M/2CYolPEtelZN+tVZaftogjHBcCkn0:wTO7W+/ZuYol8cN+7ZaftogjHOCh

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-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_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-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 616	3020	cmd.exe	31
PID 3020 wrote to memory of 616	3020	cmd.exe	31
PID 3020 wrote to memory of 616	3020	cmd.exe	31
PID 616 wrote to memory of 2616	616	rundll32.exe	33
PID 616 wrote to memory of 2616	616	rundll32.exe	33
PID 616 wrote to memory of 2616	616	rundll32.exe	33
PID 616 wrote to memory of 2616	616	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:3020
- 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:616
- - 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:2616

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
367659b2360f80e36d96922b7572e3dc

SHA1
5e622ee651a87e888253ae2c12f930045ad0ce47

SHA256
38ad915f6baa54e9a42feec9ef032ad7c9fa411ed15cf6bd6511f550ed5766aa

SHA512
284b2bf1ae983e08a8db2dd2729406cee4b04293fd3a3fd23d6d37bb4e01fcf561b05fbd374884bc491bc516485692ec40d40fae7652a16a3fe6ee416f0c1ece

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