Analysis
-
max time kernel
149s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
18-03-2024 23:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe
-
Size
47KB
-
MD5
d78c4af850c18ebb5103d060fe6e59a9
-
SHA1
3baa93f60ee56478f7e148c029dda7db971af59d
-
SHA256
712ceeedba3f8d35dd15c5c140f7b34c811aec04d7a0e844de0465484dd7a010
-
SHA512
772c349c7f187da0ee903dd60836dfaf07af13cc39b4b77a7ec4293d49e8ff585be67e6a851226b5c892e4336ed5229d64d0e577263b8ddd2389806bc42970ea
-
SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556BlvE:X6QFElP6n+gJQMOtEvwDpjB0GIWSlvE
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b00000001313f-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b00000001313f-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2112 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2228 2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2228 wrote to memory of 2112 2228 2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe 28 PID 2228 wrote to memory of 2112 2228 2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe 28 PID 2228 wrote to memory of 2112 2228 2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe 28 PID 2228 wrote to memory of 2112 2228 2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2112
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
47KB
MD54eb63c5efe02b106ffdb23ecb231fd6c
SHA12d7b1795d532423a13f47fd36e7f80a5ee46228f
SHA256dc9a80836563d95c45c7158f1d7a901bd85eccc8e2d57e23ddb2f4f4fd43a359
SHA51217b6ef0d8e0f6e0571e4d4e2731567f7aa734aa5edd414173ee266ff04a76b9ec3f9684faa186e9fa9582f6c7d1790134c27afbba3e56070db63fc255357e7c4