Overview
overview
7Static
static
3FRASKEY BY...che.py
windows7-x64
3FRASKEY BY...che.py
windows10-2004-x64
3FRASKEY BY...che.py
windows7-x64
3FRASKEY BY...che.py
windows10-2004-x64
3FRASKEY BY...t__.py
windows7-x64
3FRASKEY BY...t__.py
windows10-2004-x64
3FRASKEY BY...yc.pyc
windows7-x64
3FRASKEY BY...yc.pyc
windows10-2004-x64
3FRASKEY BY...me.dll
windows7-x64
1FRASKEY BY...me.dll
windows10-2004-x64
1FRASKEY BY...er.exe
windows7-x64
7FRASKEY BY...er.exe
windows10-2004-x64
7FRASKEY BY...in.exe
windows7-x64
7FRASKEY BY...in.exe
windows10-2004-x64
7FRASKEY BY...che.py
windows7-x64
3FRASKEY BY...che.py
windows10-2004-x64
3FRASKEY BY...che.py
windows7-x64
3FRASKEY BY...che.py
windows10-2004-x64
3FRASKEY BY...t__.py
windows7-x64
3FRASKEY BY...t__.py
windows10-2004-x64
3FRASKEY BY...11.pyc
windows7-x64
3FRASKEY BY...11.pyc
windows10-2004-x64
3FRASKEY BY...me.dll
windows7-x64
1FRASKEY BY...me.dll
windows10-2004-x64
1FRASKEY BY...er.exe
windows7-x64
7FRASKEY BY...er.exe
windows10-2004-x64
7FRASKEY BY...in.exe
windows7-x64
7FRASKEY BY...in.exe
windows10-2004-x64
7Analysis
-
max time kernel
172s -
max time network
140s -
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
Behavioral task
behavioral1
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/cache.py
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/cache.py
Resource
win10v2004-20231023-en
Behavioral task
behavioral3
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/cache.py
Resource
win7-20231020-en
Behavioral task
behavioral4
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/cache.py
Resource
win10v2004-20231023-en
Behavioral task
behavioral5
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__init__.py
Resource
win7-20231023-en
Behavioral task
behavioral6
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__init__.py
Resource
win10v2004-20231020-en
Behavioral task
behavioral7
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__pyc.pyc
Resource
win7-20231025-en
Behavioral task
behavioral8
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__pyc.pyc
Resource
win10v2004-20231023-en
Behavioral task
behavioral9
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/pyarmor_runtime.dll
Resource
win7-20231023-en
Behavioral task
behavioral10
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/pyarmor_runtime.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral11
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/updater.exe
Resource
win7-20231020-en
Behavioral task
behavioral12
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/dist/updater.exe
Resource
win10v2004-20231023-en
Behavioral task
behavioral13
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/main.exe
Resource
win7-20231020-en
Behavioral task
behavioral14
Sample
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/main.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral15
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/cache.py
Resource
win7-20231025-en
Behavioral task
behavioral16
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/cache.py
Resource
win10v2004-20231023-en
Behavioral task
behavioral17
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/cache.py
Resource
win7-20231020-en
Behavioral task
behavioral18
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/cache.py
Resource
win10v2004-20231023-en
Behavioral task
behavioral19
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__init__.py
Resource
win7-20231020-en
Behavioral task
behavioral20
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__init__.py
Resource
win10v2004-20231020-en
Behavioral task
behavioral21
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__pycache__/__init__.cpython-311.pyc
Resource
win7-20231025-en
Behavioral task
behavioral22
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/__pycache__/__init__.cpython-311.pyc
Resource
win10v2004-20231023-en
Behavioral task
behavioral23
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/pyarmor_runtime.dll
Resource
win7-20231023-en
Behavioral task
behavioral24
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/pyarmor_runtime_000000/pyarmor_runtime.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral25
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/updater.exe
Resource
win7-20231023-en
Behavioral task
behavioral26
Sample
FRASKEY BYFRON BYPASS/library/pycache/cached/dist/updater.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral27
Sample
FRASKEY BYFRON BYPASS/main.exe
Resource
win7-20231025-en
General
-
Target
FRASKEY BYFRON BYPASS/FRASKEY BYFRON BYPASS/library/pycache/cached/cache.py
-
Size
2KB
-
MD5
7519218777c60df0ffc3e4ab964d56c6
-
SHA1
008d2e071a1f0c5634e8772efdd3033ab3396e71
-
SHA256
71074cab1ee11f6460ce09c5a4240df3e2e42c1169ab5b368f9adf010e3a15cf
-
SHA512
81ab7b7f54f1e47a63391a3ee4ba978807a54c43830f65e42409aff95a738bde502591e54b8da29d59e0cf735a5a043a893da1ff7b4e9a78ab2050b5063bdc12
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.py rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2556 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2556 AcroRd32.exe 2556 AcroRd32.exe 2556 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2880 wrote to memory of 2720 2880 cmd.exe 30 PID 2880 wrote to memory of 2720 2880 cmd.exe 30 PID 2880 wrote to memory of 2720 2880 cmd.exe 30 PID 2720 wrote to memory of 2556 2720 rundll32.exe 32 PID 2720 wrote to memory of 2556 2720 rundll32.exe 32 PID 2720 wrote to memory of 2556 2720 rundll32.exe 32 PID 2720 wrote to memory of 2556 2720 rundll32.exe 32
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\FRASKEY BYFRON BYPASS\FRASKEY BYFRON BYPASS\library\pycache\cached\cache.py"1⤵
- Suspicious use of WriteProcessMemory
PID:2880 -
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\cache.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2720 -
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\cache.py"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2556
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD59b6e3e59e42d5920c92c645a9a161cdb
SHA15c43a5b9ac5c8486d82f55c480e7e1ce9beb9f92
SHA256a4129699c138aa69b647163aee47db4c83695d7cbb9047b893541d0f5a1adfb5
SHA512d133a96d74f654a325f0c78e4f15868ab1732bb255ff6344698ac884125240eea0b4cff04b50dc6666f6ec46c167e9755f6a9d327326c484d4c582dbcb84f372