Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-09-2024 12:18
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe
-
Size
44KB
-
MD5
f700e6f8a55cd1e35af43d0237cd27c3
-
SHA1
c4f36efeedac3929f8eca3302d794c717d69c032
-
SHA256
dd516eb8ff58d59aebbed60b949ca92f219011f0a9d37044497774d6ccd1a5df
-
SHA512
2050f82a94a3f8d94aaa99e4db2b8769f67db5a2734abb5af56619f2993debcb2ad5fc0e29c80bc6c638d0ca29477028104a38da3a54b1086fa560a582c2f9ad
-
SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1Th:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLh
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2500 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2724 2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2724 wrote to memory of 2500 2724 2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe 30 PID 2724 wrote to memory of 2500 2724 2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe 30 PID 2724 wrote to memory of 2500 2724 2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe 30 PID 2724 wrote to memory of 2500 2724 2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2500
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
44KB
MD5ffb347c42d631895fd96933191dfa52f
SHA1eea6f0eb3112bfce43e4aee8d7d04e58bb22cd5d
SHA2568fa9440f20f022458aa2f2ffdaa2ac6b1d8ca86fceefd7c2daab2b07af717951
SHA512dc858736d83c7090d437a9e0dfc377fa79e0caaab34d76550b750fc8a6f2c938760fb76c2cdcb8e1c6e8c4905990ca0ef2c0fe85e0356e55392f0dbffebebc01