Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
28/05/2024, 02:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe
-
Size
43KB
-
MD5
1f60b2a052332bf1590e6c4453d11a24
-
SHA1
c7c434ae175280cf1ba39f756882ad8db7f2b97a
-
SHA256
d61e888cf0c380edbfc966624e96c9bdcb1620f072efc6159dd038f5ff7cc1a0
-
SHA512
3a2bc14b9ee575878a360c10ba85da84acb051a01eef235f17989ee2a9ecb1a9355294d95bb6ccb50c66db76ef8dc46e8d5528a21fb6c5d79d8dafaf0843ace4
-
SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAQ:bCDOw9aMDooc+vAQ
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/224-0-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000002328e-13.dat CryptoLocker_rule2 behavioral2/memory/224-17-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3468-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3468-27-0x0000000008000000-0x000000000800A000-memory.dmp 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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3468 lossy.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 224 wrote to memory of 3468 224 2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe 83 PID 224 wrote to memory of 3468 224 2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe 83 PID 224 wrote to memory of 3468 224 2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-28_1f60b2a052332bf1590e6c4453d11a24_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
PID:3468
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
43KB
MD5b929b15e5709361d25d6fd49ec9a6dfc
SHA146cbcb9952e8e5db1c488197e081ec793b669de7
SHA25651a61ac6e6cc5f3166a47d5d5e44d8fc744ed00f850488a0aa8c6090eed202e7
SHA512c92a67d294d211532e3d4b014b4b3731856f710619b127b0f00f3594d77d195d13869848de12326737ca19c2c44276b0e6d5227b5f149a76847056d4eb5912ce