Analysis
-
max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02/06/2024, 04:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe
-
Size
49KB
-
MD5
d29f3177ae2b2e7d6b186d7c7ac8d06b
-
SHA1
c58be2f92dd3de1aa14a446497f2c0d2d0c787b8
-
SHA256
c4bd9d42ca929f3c732aaf18d26c55b381de1a4d08feb1dac35e97a1485d611e
-
SHA512
3b09ed2123a7779c6857c2a917064e9c3b4c30bcd717e75fd46e0d65890524bf43a760a910460e682cbb2779efee049b186cfc2b04595373c5cae6e6be61a21c
-
SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfy:X6QFElP6n+gJBMOtEvwDpjBtEdXfy
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b0000000155e2-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b0000000155e2-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2900 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1500 2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_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 1500 wrote to memory of 2900 1500 2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe 28 PID 1500 wrote to memory of 2900 1500 2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe 28 PID 1500 wrote to memory of 2900 1500 2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe 28 PID 1500 wrote to memory of 2900 1500 2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_d29f3177ae2b2e7d6b186d7c7ac8d06b_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2900
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
50KB
MD5a852dcd6d411822d80834909187d88cb
SHA1a6fbcb999b108757b2a81751260cad20e5629c53
SHA2569970d30c31fa2071f03f2304b5663673cd1751f9a8ae1a97f49b08e8c844d857
SHA51220df9a873d5693e764acbc633ecd2af19a4f762b7d0647d51e5e44cacb8e63d53b0be21002dbdbcba00bdf2759d05bdc572ab6651d066b6d2eccf460f70e7b1c