Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 04:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe
-
Size
47KB
-
MD5
2aab050ae9664f4849645482214f7b44
-
SHA1
18226f5ed90584f95a4eda07422535dc3eaf34af
-
SHA256
9ee0a3f202deb29529facbdf2018817861a2340d0f0626c6875a6ca7b38f2e2e
-
SHA512
5a864a3574867021b8f1acf45703f202af265d168444f2be41b694eca0e0a7c93832c7c7f7e074bbda9f4837b12397e184c5252534aea3390cd0f2cfaddaa4ed
-
SSDEEP
768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zr1:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwz5
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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 1580 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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4032 wrote to memory of 1580 4032 2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe 81 PID 4032 wrote to memory of 1580 4032 2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe 81 PID 4032 wrote to memory of 1580 4032 2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_2aab050ae9664f4849645482214f7b44_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4032 -
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:1580
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
47KB
MD5788610e15cd532c3be9bb36be0250dc9
SHA1a86ba4f488732430bc59950d30a50cb9735b43e7
SHA2563e01f032f67288fc2babb83e879f8857ec2b5cd1cae9b654b142c5408a1d972d
SHA51258afe6e1703242526242d831b56fed6e00766dd62baee79ec769d23c77219911d5b6e69924aa23be7b7eba883941de2bd8183b95e574c2d5e7d5783ebabe0a60