b01ee9e4b7e57dc0d9a0415723cbc1e7df84c90b352d9b2a716e222360961de8

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:18

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General

Target

PySilon-malware-main/compiler.py
Size

4KB
MD5

aadef420fde1ac41b1635c7c3ad28e5e
SHA1

ad6f209d53d39418dbc057dc432527bac5d3f40b
SHA256

0202e6c73f6bd429cb704474354898c8aad29885b058a25aca738cda75bbb69d
SHA512

f7f3c78f7a86d4414be2917ae34e35b24f9f18e1ae451a1b748fb21b6e856034f9581a4d13e5a674537180293b106a4a5efebe45e03d9ff69f500be730424194
SSDEEP

96:ODwmTAYUtPvMjoDpz0I9dwsKgwS8n151QqlrAFUetud18ZCrGOF+L6v:O6YUtPvMMDIul+tQu0qe0p+L6v

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-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_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-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1808	2024	cmd.exe	32
PID 2024 wrote to memory of 1808	2024	cmd.exe	32
PID 2024 wrote to memory of 1808	2024	cmd.exe	32
PID 1808 wrote to memory of 2688	1808	rundll32.exe	33
PID 1808 wrote to memory of 2688	1808	rundll32.exe	33
PID 1808 wrote to memory of 2688	1808	rundll32.exe	33
PID 1808 wrote to memory of 2688	1808	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\compiler.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PySilon-malware-main\compiler.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1808
- - 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\PySilon-malware-main\compiler.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2688

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
4363473d410e09ec0992ae00743c7046

SHA1
ff9ea6d402fb9aaf9f8ec32eefcb1293f2143d86

SHA256
4003bdb828bb6b6f0d516f705e2da9346efe56c6083faa72e0874532d5edd47a

SHA512
b725116d20f6a625461a847671f5fe0de3108c04bbab502ffd6bfbeea56133ce78d570855635bfa787f4e78104b18bfcfbfad2a710ff8ef283ff75d42f28f354

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