Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
02/06/2024, 06:46
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe
-
Size
62KB
-
MD5
497f6895ac65262132b98fcefa2ce261
-
SHA1
dbdec2b159a94678dbe5f9e29f7e2c5ca3fa424a
-
SHA256
979d72bdc3f21b75a86cc6e345afebc84ef561f78d62cd801bc9a11cbefd0619
-
SHA512
d32544df83275ba50371a9f17e6ab1f260555b13ae6b55338b60dc50a6dfceb673f04830edaf600310f350e8c911c4d50b5a854cc0fc5a6edd82701e7836985f
-
SSDEEP
768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9d:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWQJ
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/2580-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000b000000012286-11.dat CryptoLocker_rule2 behavioral1/memory/2800-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2580-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2800-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/2580-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000b000000012286-11.dat CryptoLocker_set1 behavioral1/memory/2800-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2580-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2800-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2800 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2580 2024-06-02_497f6895ac65262132b98fcefa2ce261_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 2580 wrote to memory of 2800 2580 2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe 28 PID 2580 wrote to memory of 2800 2580 2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe 28 PID 2580 wrote to memory of 2800 2580 2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe 28 PID 2580 wrote to memory of 2800 2580 2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2800
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
62KB
MD532e715520b2d47cef2a16b8f63692620
SHA1e89369322414c32cb399f36232c9f6295571d41c
SHA2566616d8f621412b584934d60c8b25036b97bf0c15fb404661a968bd34a5ccd2c6
SHA512d78347aa1601fa13eea9253a477cea5fff62291eb876485517125f488d903557910fc11ada138599eecf1a83f65d53f63a49857579404834b5f357936c932f45