Analysis
-
max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
-
submitted
22-02-2024 08:54
General
-
Target
2024-02-22_ee49e7bdf546301d81fb422a828394f8_cryptolocker.exe
-
Size
77KB
-
MD5
ee49e7bdf546301d81fb422a828394f8
-
SHA1
26088c014b63619990222706bf8ff6e1761b687a
-
SHA256
b8bcb7904f9298261cc52f50180fe52b57fddd2257ee1f34e9abf74bf4a54feb
-
SHA512
e8ef773547e356bc88f84c97b4ef2e6bc4380120d5cb8b8f1b599f4da5689169c02dc33addac0e23eaf856cc8d745a5da08cd475c0ddf3969463e3afbd0de33a
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kya88:zCsanOtEvwDpjh
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\2024-02-22_ee49e7bdf546301d81fb422a828394f8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_ee49e7bdf546301d81fb422a828394f8_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
77KB
MD55d8f48a3a90c2600cfbebdfad392ab9d
SHA1439442e7ba7c75af610a2acfd22957fc06d3e24d
SHA256c9edf3c750a7a373f16283236245f1a8726f86e25d341168dc0016c20f824dfa
SHA51216c3e5e061843cd48c713e9d23a439815742e1985e28c6f8786a80e21c0df7947608f4d0c2310da57aecc21276f3de5f4d9aceb8408f0bb15fdb17f705c2dafa
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB