Analysis
-
max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 05:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe
-
Size
38KB
-
MD5
b2395a2cc6831608451ce42f08f385ba
-
SHA1
267047803cb6c6b96b21038c3c8e267b645d9577
-
SHA256
c5803a90d63deb7027eb9bc23b035f653bceafa5b0777768d9794ff5f22b12ca
-
SHA512
e312731ea8df3fc252ab870801fedffae39ac570cd0dba8f9221055df452d59af7e27cec0b1699db8bd2a79b3797fff8876e977ba444f359937a72764c887594
-
SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHSU:X6QFElP6n+gJQMOtEvwDpjBmzDIU
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2740 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2232 2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2232 wrote to memory of 2740 2232 2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe 31 PID 2232 wrote to memory of 2740 2232 2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe 31 PID 2232 wrote to memory of 2740 2232 2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe 31 PID 2232 wrote to memory of 2740 2232 2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_b2395a2cc6831608451ce42f08f385ba_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2740
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
38KB
MD5aa159f5f2f1139f3c6322ad75ea30c36
SHA1079375225bdba9c43334d923549dc7d817d961d3
SHA256a1bcc90773844678c2f8a2b6715294f50cc125b3d5feecd9433c68d90c1d65c2
SHA512a3c6aaffc1edabec4678de1aad2c0c990f41f770f1121b6cb4b437668871dbd31ddf78fb8aff03db9ddd34496a818ed6ffbc0567e8234bab790602ccfb9aa49c