Analysis
-
max time kernel
149s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-09-2024 18:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe
-
Size
50KB
-
MD5
3a9a5e98d3fc6f79d6385da3edbb868a
-
SHA1
19d9c517f4501f1329a0e1a070f4bb8e2edda7ec
-
SHA256
8bbeffe221284a3812de2ba800b663e30848996122f829a5a37303fe3f9260f2
-
SHA512
5d3a2f6d3efb154b2432da9e1c531a247b8da7cc88774d72e37e74469d0139584bb1cf544d07f8700d0eeaf7028a6d27d47d55128bb22713d4abe8fcd2e129bc
-
SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556BlvsTc:X6QFElP6n+gJQMOtEvwDpjB0GIWSlvIc
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2332 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1620 2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_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 2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_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 1620 wrote to memory of 2332 1620 2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe 30 PID 1620 wrote to memory of 2332 1620 2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe 30 PID 1620 wrote to memory of 2332 1620 2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe 30 PID 1620 wrote to memory of 2332 1620 2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620 -
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:2332
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
50KB
MD5b069dc843d3ade9e6b3f623ca0ef14cf
SHA18d1d2289816a9a013880aeefe7c8399e0b9b35d5
SHA256f9142b0ed07cbf1e22e809d51e6e059dfa4bbdbd66f685d99424d8d9817bf2a2
SHA512894f53adf74845794ef8b903f28a25b911a0ec37d459f4bdaf140a4f0ee51067f0cc5779e3ead551e6be31c49e2361e9af319221b8cf251aa866cea7860b7976