Analysis
-
max time kernel
137s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29/01/2024, 06:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe
-
Size
63KB
-
MD5
802b16c69d76dbc323cd75090fb9e9dc
-
SHA1
5440b16409081025e9e73902ea07e26f221e2acb
-
SHA256
bc197cae2499addba32843794e638bec5484272e5adcb279c3ebfe1d3a494819
-
SHA512
e3fcee58f620fc1e195c17118b450aa327e935ec3e80b7e9d533e8a215dd9ebf6424a0b97e2bcd7027479025208e86ad52bbd293fc159ba4c5757398131877dd
-
SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVn:ZVxkGOtEvwDpjcaw9
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023127-13.dat CryptoLocker_rule2 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation 2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation misid.exe -
Executes dropped EXE 1 IoCs
pid Process 1444 misid.exe -
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 2244 wrote to memory of 1444 2244 2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe 83 PID 2244 wrote to memory of 1444 2244 2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe 83 PID 2244 wrote to memory of 1444 2244 2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-29_802b16c69d76dbc323cd75090fb9e9dc_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:1444
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
63KB
MD5a3da866456b44c6aae999554fefc1e59
SHA14f64739697ab70e970ec7dea1b6bb58620a0e1ed
SHA256b7537df926907b32c92f68dfc13538555379ae718272116411c7053088d00f83
SHA512ececef83a4ea4a64fafdde01b75f85a5414863e2329f96dbf742087282fddbdbf5705ae40946faf80ebe834e0900007dafd462f1fa43e4bed737f128eaebda3e