Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08/06/2024, 09:11
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe
-
Size
68KB
-
MD5
d86c658f22726be1197cfb284ff01227
-
SHA1
2e0c24c94887dfabf2e623716af7c8e583ec2df9
-
SHA256
aab76a46e578c5ff6e7e093e79e060b16de21f8f250384bf8ba99db66c4c3c30
-
SHA512
4c66389267c299676c9c55c6d6e8931dc4d1e7283ca146eff03c20aee5aa87d9d182d01bdced7451418f2e787d0f51871e0c0216ce1aefb259747cf8f67e356f
-
SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpE0P/xFIJ:6j+1NMOtEvwDpjr8ox8UDEpN/js
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/2264-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000d00000001232c-24.dat CryptoLocker_rule2 behavioral1/memory/2512-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2264-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2512-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/2264-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000d00000001232c-24.dat CryptoLocker_set1 behavioral1/memory/2512-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2264-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2512-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral1/memory/2264-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000d00000001232c-24.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2512-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2264-15-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2512-26-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2512 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2264 2024-06-08_d86c658f22726be1197cfb284ff01227_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 2264 wrote to memory of 2512 2264 2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe 28 PID 2264 wrote to memory of 2512 2264 2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe 28 PID 2264 wrote to memory of 2512 2264 2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe 28 PID 2264 wrote to memory of 2512 2264 2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-08_d86c658f22726be1197cfb284ff01227_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2512
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
68KB
MD51009854dcc506100355ddb68cf7d7192
SHA1917756f11838014bef37fd9e93f75bf9a7c7e54e
SHA256f59ff00832116e8ac9337d6d6615e5df8bae9c45f1a0f3d50dd5eef1f1bdd0b1
SHA51251acf1ff4ef132e88f291e336f5db0da650d795308ca6070db94de4c52c946f578ae4572d5fba6e58ac1915ad39ef2e9aae28fa7365d230d8ad5fa4f2140cdc8