Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
06/06/2024, 21:34
Behavioral task
behavioral1
Sample
2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe
-
Size
67KB
-
MD5
bec9d5c58c87fc5d6033ea5c204e0430
-
SHA1
8524e1a2fd61cdc49410100e44ceab6de6c3d452
-
SHA256
424e6095c1bb00a1106df238301074365e478236b0517f22835fccc4ff8e2eb6
-
SHA512
62709d8b8451feeb9aec6a5748f61bfe35ff37515116a55124ed986a05a40c8d29cd987989454c03c3620ebb41e7875bf904b9a51b99a908837322b5fc565f57
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xZVg:1nK6a+qdOOtEvwDpjW
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/2760-0-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0005000000023276-13.dat CryptoLocker_rule2 behavioral2/memory/2760-17-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_rule2 behavioral2/memory/4464-18-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_rule2 behavioral2/memory/4464-27-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/2760-0-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_set1 behavioral2/files/0x0005000000023276-13.dat CryptoLocker_set1 behavioral2/memory/2760-17-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_set1 behavioral2/memory/4464-18-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_set1 behavioral2/memory/4464-27-0x0000000000500000-0x000000000050F311-memory.dmp CryptoLocker_set1 -
UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/2760-0-0x0000000000500000-0x000000000050F311-memory.dmp UPX behavioral2/files/0x0005000000023276-13.dat UPX behavioral2/memory/2760-17-0x0000000000500000-0x000000000050F311-memory.dmp UPX behavioral2/memory/4464-18-0x0000000000500000-0x000000000050F311-memory.dmp UPX behavioral2/memory/4464-27-0x0000000000500000-0x000000000050F311-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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation 2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4464 asih.exe -
resource yara_rule behavioral2/memory/2760-0-0x0000000000500000-0x000000000050F311-memory.dmp upx behavioral2/files/0x0005000000023276-13.dat upx behavioral2/memory/2760-17-0x0000000000500000-0x000000000050F311-memory.dmp upx behavioral2/memory/4464-18-0x0000000000500000-0x000000000050F311-memory.dmp upx behavioral2/memory/4464-27-0x0000000000500000-0x000000000050F311-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 2760 wrote to memory of 4464 2760 2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe 85 PID 2760 wrote to memory of 4464 2760 2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe 85 PID 2760 wrote to memory of 4464 2760 2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_bec9d5c58c87fc5d6033ea5c204e0430_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4464
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
67KB
MD5aab2fbdba3e556a3d7dba40ad92efa9e
SHA1bb57a0a6b6456131ece448d0b323fb0dd12b1060
SHA2561c316d9da0e963550ca6337b8753b5eb5a381a71e6d8e484d940b66b5a264004
SHA5122d3ce6534e6c06649fce67dcfbc170e08bcc552023ad2eecff33d746baba0a48d9d1b51c5de404b2d3350ae97901d2073b5a549dd67f4eda333536f3677a8b9a