Analysis
-
max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 05:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe
Resource
win10v2004-20241007-en
General
-
Target
2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe
-
Size
45KB
-
MD5
9fadcdaa513d1591cd9a6941dcee8156
-
SHA1
761bd6fdaa54fa27dc326cb4117add075f76d099
-
SHA256
275e623fb66253f3a90d11860cf481bc2177a07b9b632d97c62e0ca496be73dc
-
SHA512
225f5157bd616befffc3f81804ff92d3936ef6f29ed6e1977d5a5f54d992e0592ce359d2c00cb30b8e8db962f19f4824593c16b8918d24eb46e77b5e9ebc2e66
-
SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TlD4U:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLl
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 368 asih.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 2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5076 wrote to memory of 368 5076 2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe 84 PID 5076 wrote to memory of 368 5076 2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe 84 PID 5076 wrote to memory of 368 5076 2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5076 -
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:368
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
45KB
MD54695af3eb59a567c7c9bc4df88917b07
SHA1a19eb2bdf7dd457f6b884e521dac56595c98af6c
SHA2567d32d6f641be5af1dc26e1d0af18b50f19ce712cd5e2b034f255a48b0cca93c3
SHA5127e1fde36fbd5b06c78e2d72249499d2fb768038e8a91e2752bdf5f1668cd06efcfc0613f9dda038948da770f9be58670402af48d7dd60b312ebf4d165c99f269