Analysis
-
max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
-
submitted
26/04/2024, 15:45
General
-
Target
2024-04-26_fff264b62a79432a396a62b33a9be8f6_cryptolocker.exe
-
Size
86KB
-
MD5
fff264b62a79432a396a62b33a9be8f6
-
SHA1
f21e67aa3050027b92281bd444d95e20a711c52d
-
SHA256
01ee09db133bfb41e29e187d4ba7e3f915d626923f6965c9dab32a2fb4c3bb88
-
SHA512
317277d31b247222041b4a6baa01876e9a761690f060a7abbcc7c4e02c44d04e8d975ca5af3f9322c0bf72b0691db8818a2613cb3b180393ac7819093c8e004a
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1/3/:zCsanOtEvwDpj9
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\2024-04-26_fff264b62a79432a396a62b33a9be8f6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-26_fff264b62a79432a396a62b33a9be8f6_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
86KB
MD57e567d05a776e64db94059ad2a336a04
SHA18e8a4457ac91e10eb48c41028007713267ee269d
SHA2569d6afdf9665947b45ba8733679caee8e540e1c175ec36e1301ce8dc56cdc1620
SHA512b83faa7031bdf3ba197b88db6e162b7fb9b211439cba84485e38a4d158ed584cc4e9f7cf0a56363d6ba097f927609e7db2a2eecc10379eb9281aedbc4168ad1b
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB