Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
03/05/2024, 21:23
Behavioral task
behavioral1
Sample
2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe
-
Size
74KB
-
MD5
8ccc302902f66f163af206baae709628
-
SHA1
4ca4de9c0d893f4734fc4d7959ee12713a0c3fb1
-
SHA256
6c7a0b370c4356488b97dc5e242b4153b9820d5bf20dd11d9dbb0f7f38da201b
-
SHA512
bf6a417b04bd8ea75e95cb95f14df22feb329354f2d66a2c8a7637699fa1f0317fef59ddab9717c13f73afa4d45612fff61d6a412a8b821c6ec63ac58187cf18
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalVr5:1nK6a+qdOOtEvwDpjC
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/5028-0-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0008000000023457-13.dat CryptoLocker_rule2 behavioral2/memory/5028-18-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_rule2 behavioral2/memory/4292-17-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_rule2 behavioral2/memory/4292-27-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/5028-0-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_set1 behavioral2/files/0x0008000000023457-13.dat CryptoLocker_set1 behavioral2/memory/5028-18-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_set1 behavioral2/memory/4292-17-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_set1 behavioral2/memory/4292-27-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_set1 -
UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/5028-0-0x0000000000500000-0x000000000050F311-memory.dmp UPX behavioral2/files/0x0008000000023457-13.dat UPX behavioral2/memory/5028-18-0x0000000000500000-0x000000000050F311-memory.dmp UPX behavioral2/memory/4292-17-0x0000000000500000-0x000000000050F311-memory.dmp UPX behavioral2/memory/4292-27-0x0000000000500000-0x000000000050F311-memory.dmp UPX -
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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation 2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4292 asih.exe -
resource yara_rule behavioral2/memory/5028-0-0x0000000000500000-0x000000000050F311-memory.dmp upx behavioral2/files/0x0008000000023457-13.dat upx behavioral2/memory/5028-18-0x0000000000500000-0x000000000050F311-memory.dmp upx behavioral2/memory/4292-17-0x0000000000500000-0x000000000050F311-memory.dmp upx behavioral2/memory/4292-27-0x0000000000500000-0x000000000050F311-memory.dmp upx -
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 4292 5028 2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe 85 PID 5028 wrote to memory of 4292 5028 2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe 85 PID 5028 wrote to memory of 4292 5028 2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-03_8ccc302902f66f163af206baae709628_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4292
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
74KB
MD5164ab32656c998dfdccd08bb8cdc98ba
SHA1d50a496b5d213ba57e78fbd29834f5d79494f6fe
SHA25651b546728c67f8a4cc910dc9711b813d6f82d6d25052b862d18807ac4284a4d8
SHA5124c6716272455e445bde55183f215638d6961b2a8905b7dfd0d5f84b5dcb9d5832181423063997e72e0e7294dd6839d712a8602ecbf4235ce5f150c101333db78