Analysis
- max time kernel
148s - max time network
148s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system - submitted
25/05/2024, 02:47
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe
Resource
win7-20240508-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe
Resource
win10v2004-20240508-en
6 signatures
150 seconds
General
- Target 2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe
- Size 54KB
- Sample240525-daa4csbh5x
- SHA256 db8797107237348e30f211d275df40493954384a6521d43533c22d8c87d9fbcc
- MD5 890a258a5de86a4eff309e48a723c47f
- SHA1 606d1b9e02ffde05125d215c21b8c3816b0cee8f
- SHA512 56eb390785559a6285b126c8704e258b7e27f8054a00933a72b8b73c0aa77f5392c2be636ea1ae2594942623cef533c77b5dde1003b673d3f1c8954ec744ac6f
- SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojaklPsR:V6a+pOtEvwDpjl
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001226b-10.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001226b-10.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2924 asih.exe - Loads dropped DLL 1 IoCs
pid Process 2992 2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2992 wrote to memory of 2924 2992 2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe 28 PID 2992 wrote to memory of 2924 2992 2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe 28 PID 2992 wrote to memory of 2924 2992 2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe 28 PID 2992 wrote to memory of 2924 2992 2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_890a258a5de86a4eff309e48a723c47f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2924
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path \Users\Admin\AppData\Local\Temp\asih.exe
- Size 55KB
- SHA256 7891bf45827fa0c80217ffa31f8fc4f9ce8683d1b7f28ac980e7d862a9db8070
- MD5 524eb950b3284f5b09a43b17a9c8c77c
- SHA1 a464eed5da287801275f4a50e5650e80d4b6833e
- SHA512 88eeb5b6f38b2b7318e878a9dd318da3c0a4cdb7191280abe099ba8d39468e3a3c36bc9ca963a74c239e172e5fde07e180389a3eac29ad2c5ef5fd0e1672144e
- SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojaklPsC:V6a+pOtEvwDpjO
- MD5 SHA1 SHA512 SSDEEP