Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
19/02/2024, 11:58
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe
-
Size
54KB
-
MD5
e622baa6b4c3f2f9dc79cbadc2f55724
-
SHA1
efd661cd13cfe564312cadf02ffa660539bc0102
-
SHA256
fb65b10fd176f7b8dd8e0cc40470da5c240902d82d46c6b62be46faaaf23429d
-
SHA512
3e2ae6562d45d270c47b8f8e7adbf8f498e35fbb4fb19223603fbc9d793afd23392480d87bb5a2c3ac2947f85276b69422694a1e29d6c87905f799abf072e2e9
-
SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QJz7H:6j+1NMOtEvwDpjr8oxEZ
Malware Config
Signatures
-
Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/files/0x0008000000012270-25.dat CryptoLocker_rule2 behavioral1/memory/2448-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2380-16-0x0000000002800000-0x000000000280F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2380-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2380-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2448-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/files/0x0008000000012270-25.dat CryptoLocker_set1 behavioral1/memory/2448-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2380-16-0x0000000002800000-0x000000000280F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2380-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2380-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2448-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral1/files/0x0008000000012270-25.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2448-18-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2380-15-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2380-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2448-28-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2448 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2380 2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_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 2380 wrote to memory of 2448 2380 2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe 1 PID 2380 wrote to memory of 2448 2380 2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe 1 PID 2380 wrote to memory of 2448 2380 2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe 1 PID 2380 wrote to memory of 2448 2380 2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe 1
Processes
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"1⤵
- Executes dropped EXE
PID:2448
-
C:\Users\Admin\AppData\Local\Temp\2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-19_e622baa6b4c3f2f9dc79cbadc2f55724_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2380
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
54KB
MD5c881a28f21cd804e5aa92a3bdaa44268
SHA170ec3c3a7bc711cd9078f264860d5f09aa070a6e
SHA2565bba279722bd2b86784b3e877420453d8e48dcfffbc61a26fa6f2acf4793559e
SHA5129e9469e03f32747a7999278526a3fdf641598d3ea380087737486ada5ea86c0ee372ed851e737c8b8e9eb57e072c7d3eb85b155ce4bdd8e1b7441a1b4b420a1c