Analysis
-
max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
-
submitted
27/01/2024, 05:31
General
-
Target
2024-01-27_b4634b1f0b6b05ca349c7afd807008a6_cryptolocker.exe
-
Size
104KB
-
MD5
b4634b1f0b6b05ca349c7afd807008a6
-
SHA1
ce6ddea15c09c53342730d8ee047772d8aaab847
-
SHA256
77adafa22d25589de5368ae6d5a59fa63b74cc35ddffd91cc9079c36f37987a3
-
SHA512
a0084ea054c182094dd729e58fbf27600620321fac5ac87750b36a542e29575283720d36b5ea0b0562494bf2b8e8e397553692749c4a397165cf5dabdb1eccfb
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gksf:1nK6a+qdOOtEvwDpjf
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
-
Detection of Cryptolocker Samples 5 IoCs
-
UPX dump on OEP (original entry point) 5 IoCs
-
Executes dropped EXE 1 IoCs
-
Loads dropped DLL 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 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-01-27_b4634b1f0b6b05ca349c7afd807008a6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-27_b4634b1f0b6b05ca349c7afd807008a6_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
104KB
MD53e43dcb4a37f383003b33d4a5d4e2d1c
SHA1000957ff8e7b4790089f27d179e39c3c239be35d
SHA25600cab4d5a874d96deea6bf79cd48b2edad317d2a14d0c09e16caa0bbe8011829
SHA512bb71d64aca0dd74d6b0fecccd6c66869331762b4b7ed4ab8cfd398e72891f84b808f0818ba948f38b73abd6655c5c7674f8c0b80f3fd703361b8419bd4309e52
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB
-
Filesize
64KB