Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
22/02/2024, 05:02
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe
-
Size
35KB
-
MD5
553bf68385445e0a514c7513f3df48ae
-
SHA1
6490cb994a6f52dc93770bf86ad026ba163a4dc8
-
SHA256
8e6971d986a117eb2a02a7834f122c6427b2af2e179fb12e29097a9d5dc1e1ef
-
SHA512
701734dd3119b4d57385bf6b693d6a8e262a03fd5c2d89693b51f7a1da4d1096f740908dfd4f12ca031506613e322df620a47198f13256a9aafe74f3904b05d4
-
SSDEEP
384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSzn1KkZ1aBg8D:b/yC4GyNM01GuQMNXw2PSj1PrHu
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023206-12.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-1-5-21-1712835645-2080934712-2142796781-1000\Control Panel\International\Geo\Nation 2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 1728 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 5028 wrote to memory of 1728 5028 2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe 84 PID 5028 wrote to memory of 1728 5028 2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe 84 PID 5028 wrote to memory of 1728 5028 2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_553bf68385445e0a514c7513f3df48ae_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\AppData\Local\Temp\retln.exe"C:\Users\Admin\AppData\Local\Temp\retln.exe"2⤵
- Executes dropped EXE
PID:1728
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
35KB
MD569246253f3debb082571f9e5b0253f64
SHA1c7816d60f9717969004c2fb66a4130e208b1ebad
SHA2569aa841991aabe2ae5e86f730543fd29e97ab4d9015a4826ff7bb3856477dbe0f
SHA512f0e66cd832823c18529ecc9a95f87d46441aff42a365339cf5e76dfbe012f5400bf6f19815ed2554fb8feab7d4f61e12f1085fc73b8ea8d896f7d0111df3d535