Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
70s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
24/04/2024, 01:30
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe
-
Size
41KB
-
MD5
9683b4427c01bf9676d7ec2b6d902960
-
SHA1
00c24050ed8fa8f13030e8f1a3b224a7dffee87c
-
SHA256
de843f6c7adebe8ccd59acda7dd196b133172bc2e922014d918650cfb1a81f61
-
SHA512
c29badb06f42dca2b19d420e0f735fe5eb80b221c3bb5f0fb2a15f12269576d0b453cd3d8f03f98f11a72ad45919bb263296cc741f0a6ae64437ad15f0b5758a
-
SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtA2:bCDOw9aMDooc+vA2
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/4480-0-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000800000001db0e-13.dat CryptoLocker_rule2 behavioral2/memory/4544-17-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4480-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4544-27-0x0000000008000000-0x000000000800A000-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-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation 2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4544 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 4480 wrote to memory of 4544 4480 2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe 85 PID 4480 wrote to memory of 4544 4480 2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe 85 PID 4480 wrote to memory of 4544 4480 2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-24_9683b4427c01bf9676d7ec2b6d902960_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
PID:4544
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
41KB
MD54c8a92f86034d5a893674254d29a99fa
SHA16650437e1f2e162f0fabc4c7cc41d3a8938e52e1
SHA256ff331aa05e4ae696381607d8f90cd11f1ff8d4a73b899916c291fa49e774a33d
SHA5125a720c4e2ac52dfc135531e05204f55b17495ae9e1c2ffc4dbd2a1168d7102f123545d6852e9ea7e269fb446e98ceb3eb9e647fee4aaf85fe23be8d50b665b24