796c19c8a7db21c52c9fc97dcbeee2fa9167b60b009558f8ba2d87208780e348

Analysis

max time kernel
152s
max time network
135s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 02:55

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General

Target

FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__init__.py
Size

103B
MD5

9b4c436b17f43581e431200474d1f2f2
SHA1

efca249c0614300ad6dfac40444f7617086c4ead
SHA256

02b2adbb908ec88b554d8177070a1dab8032eb2f727307ad45365f5992ac2e2c
SHA512

91d0648777af8537e13926563cbdc520c0cf4a13cdd4b8e5adc576d545013acaaaf37dc0a00f3e0c306f2f6813a2bc5faeabaf3da81ffaadb6b1823c670ac68d

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-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_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-1-5-21-3618187007-3650799920-3290345941-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2440	AcroRd32.exe
2440	AcroRd32.exe
2440	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2544	1936	cmd.exe	29
PID 1936 wrote to memory of 2544	1936	cmd.exe	29
PID 1936 wrote to memory of 2544	1936	cmd.exe	29
PID 2544 wrote to memory of 2440	2544	rundll32.exe	31
PID 2544 wrote to memory of 2440	2544	rundll32.exe	31
PID 2544 wrote to memory of 2440	2544	rundll32.exe	31
PID 2544 wrote to memory of 2440	2544	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\FRASKEY BYFRON BYPASS\FRASKEY BYFRON BYPASS\library\pycache\cached\dist\pyarmor_runtime_000000\__init__.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\FRASKEY BYFRON BYPASS\FRASKEY BYFRON BYPASS\library\pycache\cached\dist\pyarmor_runtime_000000\__init__.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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\FRASKEY BYFRON BYPASS\FRASKEY BYFRON BYPASS\library\pycache\cached\dist\pyarmor_runtime_000000\__init__.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2440

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
8c6035ce4c342b641ab9a1c4c0260547

SHA1
a96585ddf64cf4a14649d5e0c2a8b9d2fb1446c4

SHA256
f1adc9eb1fdc503691c520b61aa37683fe52ce18cd4526aa08224d55e13ef4e8

SHA512
9c62d2f6ce9f7a2c9bac05f5ce955d3f9bb82963a2486589865095be4fafde02782e114b17216bef49331c7c22f2bc55611097d53b97e0f59ee9bedf0475d00c

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