Analysis
-
max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
-
submitted
06/05/2024, 23:25
General
-
Target
2024-05-06_73c3cd3be3199cd43c10eb3da22d04b0_cryptolocker.exe
-
Size
39KB
-
MD5
73c3cd3be3199cd43c10eb3da22d04b0
-
SHA1
a3dffe2ba2c6cf913e2561856d782072ec1c68c6
-
SHA256
aa371202c138abe77c8c3544031ef81d11c990f2c6b129071e87cd1d35834a96
-
SHA512
f3c8d2b806a33c4db21347f2db11ed19f43cd8ccf0e4a09edaa2508940c6df6ee4af599200a6881fbf93fcc0de9b0ca825e56d87c27041876538e35b5b29db09
-
SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9d:qDdFJy3QMOtEvwDpjjWMl7TO
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
-
Detection of Cryptolocker Samples 5 IoCs
-
UPX dump on OEP (original entry point) 5 IoCs
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE 1 IoCs
-
UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-05-06_73c3cd3be3199cd43c10eb3da22d04b0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-06_73c3cd3be3199cd43c10eb3da22d04b0_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
39KB
MD5874d058fc354911b0a041859f3d8c874
SHA105919794c0f29506faeb13869fca429715b4f2bb
SHA256a40fc9a34808709442f1a5d6051ab38e8622bb7908c9e1fd80b65f56dfeb9a71
SHA5127d46b81cc012736eb674f041bd2a67201f61cbbf7e6c429b66322b5865666dfa5c2c4a161cf948935b414226092eb8bc8c69f604c06503e0fe85f779781555a1
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB