Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
02/06/2024, 04:46
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe
-
Size
45KB
-
MD5
c1b4053dba436cfc24d4dea6372a02d0
-
SHA1
9c7a5f3c51fe728ba6ccb5af3004b7165a28d39f
-
SHA256
3866e035f11f8eb79259ff21752b6ee073cc6e38547562864601ef2065a841cf
-
SHA512
424bf97bf0dac6718b5f240bf797611555f598ba3d86b3970025d793eceb978e8c06a0b81bde558c9457b5371fe45c2b6bdc012b709bd66734efedd0d2b94972
-
SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jo0nrlwfjDUpaSwIfQL:bm74zYcgT/Ekn0ryfjR1IfQL
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1720-0-0x0000000008000000-0x000000000800D000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000b00000001431b-11.dat CryptoLocker_rule2 behavioral1/memory/1720-15-0x0000000008000000-0x000000000800D000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2504-16-0x0000000008000000-0x000000000800D000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2504-26-0x0000000008000000-0x000000000800D000-memory.dmp CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2504 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 1720 2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_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 1720 wrote to memory of 2504 1720 2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe 28 PID 1720 wrote to memory of 2504 1720 2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe 28 PID 1720 wrote to memory of 2504 1720 2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe 28 PID 1720 wrote to memory of 2504 1720 2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c1b4053dba436cfc24d4dea6372a02d0_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:2504
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
45KB
MD54cce32a8eabfda6a9f8e5ac158488fae
SHA14b69be8019b92d2f7e9df19fc6ea05767de2634c
SHA2563a13fae38b8af94a79d69cac9f992672f5c2466a6839c00f42a7b84a0aebbec1
SHA512770ac8b816cc635f7953a22cc6c6a2b9dee872357b3ccc2dc4655507a4accec3c9a6941b427469dab1051a6448d1a1a3d0ad6d745e7ca911b8be52debebec84d