Analysis
-
max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
-
submitted
15/03/2024, 13:26
General
-
Target
2024-03-15_05a4e86edc36b9736f08a86e12255c64_cryptolocker.exe
-
Size
56KB
-
MD5
05a4e86edc36b9736f08a86e12255c64
-
SHA1
0b73f9c58d6fecab64f143bd5950dd5ad2fdb209
-
SHA256
c498979a384ca161f84b23697b66b2831134c22ad99bb4f181b8244c3bb7ea11
-
SHA512
f678ac97f2fc680564d5dae9caf942b7a52a38d27eb8933ffa295d96ef515189a776f309cdb9e00d89833eb89de42c4e4337dbe2660512d7915177c8e9e81383
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcE9Gj:z6QFElP6n+gKmddpMOtEvwDpj9aYa59i
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\2024-03-15_05a4e86edc36b9736f08a86e12255c64_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-15_05a4e86edc36b9736f08a86e12255c64_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
56KB
MD5f391bc3784977613a928baaa2daf9db4
SHA1eebc4f09c579f69656d6d8830e9d6f14423b7ff2
SHA256624ff95eb104b6206a96f169f621cdf30ce4249708c9bf415b0445d4ec5ec407
SHA5122e560cb137e6811da50f0f1a9378ea91e2fdc8f7e92af60258cff730d1dc619b41994e4c4ca4f75a2b4feed2f77fa238e072ea019089a3001c9f59ac7085a1cf
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB