796c19c8a7db21c52c9fc97dcbeee2fa9167b60b009558f8ba2d87208780e348

Analysis

max time kernel
153s
max time network
156s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01-11-2023 02:55

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General

Target

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_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-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\py_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2356	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2280	1908	cmd.exe	22
PID 1908 wrote to memory of 2280	1908	cmd.exe	22
PID 1908 wrote to memory of 2280	1908	cmd.exe	22
PID 2280 wrote to memory of 2356	2280	rundll32.exe	30
PID 2280 wrote to memory of 2356	2280	rundll32.exe	30
PID 2280 wrote to memory of 2356	2280	rundll32.exe	30
PID 2280 wrote to memory of 2356	2280	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\FRASKEY BYFRON BYPASS\library\pycache\cached\dist\pyarmor_runtime_000000\__init__.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- 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\library\pycache\cached\dist\pyarmor_runtime_000000\__init__.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2280
- - 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\library\pycache\cached\dist\pyarmor_runtime_000000\__init__.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2356

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

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Downloads

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

Filesize
3KB

MD5
882855f1779afd58ebd75cf717ade01a

SHA1
64c744d667fd45e35688f068a3dd81567b4171f4

SHA256
d8ffdd80d7a5e720304949f85c1c78644670951e2d61a638d24a020fdb161761

SHA512
dbdc6e7ee5f51eaa479398bab8cde1c4b626b09e5af32ffa79380a8fd9ab986c6bce3c21c6f2ad74c559dcdca12854da2c2a63dce15cd9fc4d8584bd9a4651d3

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