Analysis
-
max time kernel
132s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08/09/2024, 03:05
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe
-
Size
40KB
-
MD5
aa54dca49e63d5b10bf1bd83a44db5c2
-
SHA1
21a0e856bdd6076c1ebb49b3f4a78c00b420874f
-
SHA256
9100f69eb1ef793d1c049409187e92924ab41dbf208e000100a239d088d7e43c
-
SHA512
845338b6ec35ca1e43cf7fe54339592a2a4684212e514cbe852030e3a160e22c6d16a2f0b15425ef15cc9e7e5eb9849c081556d5e175d919ca077083c62f1d32
-
SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0xM:X6QFElP6n+gJQMOtEvwDpjBmzDU5xM
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2908 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2156 2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_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 2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_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 2156 wrote to memory of 2908 2156 2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe 30 PID 2156 wrote to memory of 2908 2156 2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe 30 PID 2156 wrote to memory of 2908 2156 2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe 30 PID 2156 wrote to memory of 2908 2156 2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-08_aa54dca49e63d5b10bf1bd83a44db5c2_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156 -
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:2908
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
40KB
MD5f93809e3e64cadbb19bd6beb4114b856
SHA1d5c77727afaef34cb2bbe0dce84d31ff4fa00d31
SHA25695e601bec66c0173271d01f001302e33d8a5fe50675d9088d202ac5256c733f0
SHA512d34c7d83d6ae5a697add358218a03407055805c28c37dcc1cd2217670492538c520b661a6e28b532d75d6f5cc9242a7897a1977beb98a77163330d6a7c15e311