Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18/09/2024, 19:46
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe
-
Size
40KB
-
MD5
324a8c4b0262412c0fb49ca6af3d3042
-
SHA1
700b7e48d6c01dfcc7f8fa01af7f8e6c7b3a949c
-
SHA256
5face8757f05327525b7a7d55fbcbdd4e6ccc41cf621a0cf9772df589224c621
-
SHA512
8d4692831f7f32fc579afbe21871aded6d06ada34a21b28f22be8dee60b635420da04e911d4f7d6e3d73a2eabe8f80cc12ed9e047db90b3df2a3307c4976ddfd
-
SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Ybk:bgGYcA/53GAA6y37V
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation 2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3776 hasfj.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 2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3184 wrote to memory of 3776 3184 2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe 82 PID 3184 wrote to memory of 3776 3184 2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe 82 PID 3184 wrote to memory of 3776 3184 2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-18_324a8c4b0262412c0fb49ca6af3d3042_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3776
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
41KB
MD58e62cb32ac5cc5091fed1b05599c4c37
SHA1e977b8753a28c81d75ea1bf644ef82c68e41111a
SHA2566dda486a79f9b26b37347df3610e56dffd6e2ee546c9973ec788f0eab65abb53
SHA5124d0e91d386592822961bf83b3eee885a6c4a13183d90bdb9f1645e34ef1393db6b6d423ef17bc1747359100461cd0e167a94c6c5ddbf976a70617807edd36573