Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
31/05/2024, 08:22
Behavioral task
behavioral1
Sample
2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe
-
Size
89KB
-
MD5
13be1be18f0c5c065b2b8e75463dee71
-
SHA1
237eb6ba2579712d64ffdabf59afcee58528f15a
-
SHA256
1fb1dc47c8c61faac20ade91fc6a2e17daaa39b83c8cac0681ab2aaac4b70103
-
SHA512
8319166687ce66e54365b87c6b9c0c5e59603cc1cf90bf3ba72c5173abff30d91617b86eee1d6de83e3a3b534fab83b02d8625599b362ac18854f4bb73ff628f
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgQd:AnBdOOtEvwDpj6zK
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/1440-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000c00000002343a-13.dat CryptoLocker_rule2 behavioral2/memory/3300-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1440-19-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3300-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/1440-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000c00000002343a-13.dat CryptoLocker_set1 behavioral2/memory/3300-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/1440-19-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/3300-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/1440-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x000c00000002343a-13.dat UPX behavioral2/memory/3300-18-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/1440-19-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/3300-28-0x0000000000500000-0x000000000050F000-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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation 2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3300 asih.exe -
resource yara_rule behavioral2/memory/1440-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x000c00000002343a-13.dat upx behavioral2/memory/3300-18-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/1440-19-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/3300-28-0x0000000000500000-0x000000000050F000-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 1440 wrote to memory of 3300 1440 2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe 84 PID 1440 wrote to memory of 3300 1440 2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe 84 PID 1440 wrote to memory of 3300 1440 2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_13be1be18f0c5c065b2b8e75463dee71_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3300
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
89KB
MD5ef31fd8d022dbb79d4da1cf122ff8b3f
SHA14f9142a235155c613125ba8d58f9a55dcb96a004
SHA256898521847f868cf46939f9df05ad907ffd15fcb5f3ac8fb4a4b99b830fc872fb
SHA512015c458a9dfa834461b07743e5e9c67646c9aa1b82843ca702cccf600081be05bfa0f62d6c6c63eb6425df764fde13dd4e17aa245e5360fcb5570237a5d7f072