Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11/06/2024, 03:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe
-
Size
37KB
-
MD5
022cdba5d462cb265e1ef40658c6a199
-
SHA1
9811ed335cd2b3271c62018681588d3e293ea348
-
SHA256
9d608e774eaa07856d6e6f537308c98a635b0dd234cb920f2d1b1215df97f2b1
-
SHA512
e52f0c6c95e68dc7247b780ce03a911eccbf983dafd7a3adfd1424f15ae06833f12ef0dfd8345395143fcd7d79001561f4a2a7ef06312541098a87ab7225f5b7
-
SSDEEP
768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4XYi:fT+hsMQMOtEvwDpjoIHIi
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000600000002328f-12.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000600000002328f-12.dat CryptoLocker_set1 -
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2712 misid.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3220 wrote to memory of 2712 3220 2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe 83 PID 3220 wrote to memory of 2712 3220 2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe 83 PID 3220 wrote to memory of 2712 3220 2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2712
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
37KB
MD57f3e958ffb7bfd71422a928cc965e8f6
SHA11c8e99d6519c77fed0686c69492c97759a011e76
SHA256d4618bceb19c0181461351cd716bb6b1eeb62dab82c134afe160d1111c9a76ef
SHA5128cf192992e0482bc7c713725e4cf60f6f9f469e1d62775b8bc1c256322b0be4f02da036dfd0edc8bbe287477e7d030cf00d26455f89a46d69d0652845f3814c5