Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13/03/2024, 05:44
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe
-
Size
32KB
-
MD5
764ab904f255437dabe01483f3f19a8f
-
SHA1
2c504a630343588555c17ce6c25785d4d0d19145
-
SHA256
6712a9b7478e868be0dee4d8cb166694db0213885d2804b170da14cfe3ca4910
-
SHA512
fd803204e390b8def54a33f1cf7325a840cea394c39fddc936e001144334fc3e75920ea9da965cc12799fc9365fe9a358356c768a5e0846c9ebf4d6e7b0d6765
-
SSDEEP
384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznUsso+:b/yC4GyNM01GuQMNXw2PSjWo+
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000800000002324d-12.dat CryptoLocker_rule2 -
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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation 2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 8 retln.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 2512 wrote to memory of 8 2512 2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe 91 PID 2512 wrote to memory of 8 2512 2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe 91 PID 2512 wrote to memory of 8 2512 2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-13_764ab904f255437dabe01483f3f19a8f_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Users\Admin\AppData\Local\Temp\retln.exe"C:\Users\Admin\AppData\Local\Temp\retln.exe"2⤵
- Executes dropped EXE
PID:8
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
32KB
MD543e865cd98b27924189eb5e1cfab2a6b
SHA19b0f405acbed9dc854ad810f08526f94fb7083c7
SHA25679beb3a7fdde290a0ec43bbc5ad5f7976863efeec1730880795b4e6404fa424d
SHA51208fe3da7bf73a4f4134c1018aa19422666431e6fd867fe65eb6dc67272ff3a6c09497dede6760bfac3952485a0f63c75410c9f65295dbe2dc47586a62b92d45c