Analysis
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max time kernel
132s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31-10-2024 08:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe
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Size
44KB
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MD5
5a4b5f0688d8e8a5590a47c17dc59b14
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SHA1
dcf96c726917610a14112aa8568a86a272f80da4
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SHA256
2747abfa00f35bfac2f47a16d777f869f58a1504ba2d5674e9eb9f8c5c98812d
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SHA512
b2b04aee737425b67f56c6d39ef4c107207fba2a31fbc0917115900107736c1529585e2af1c0b32fbb170dbca2e00f584e05e5ddf11084bcc35dacce135102f3
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9HQ:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtQ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
asih.exepid Process 2308 asih.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exepid Process 2504 2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
Processes:
2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exeasih.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exedescription pid Process procid_target PID 2504 wrote to memory of 2308 2504 2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe 30 PID 2504 wrote to memory of 2308 2504 2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe 30 PID 2504 wrote to memory of 2308 2504 2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe 30 PID 2504 wrote to memory of 2308 2504 2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-31_5a4b5f0688d8e8a5590a47c17dc59b14_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504 -
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:2308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
44KB
MD55e63d4287c720d3931b374c64ef586c9
SHA13e4e3bbbc943b16d35ef427140542f73426bf033
SHA2561c6ba2192de187e546bf3abcfedc9b76bfb638e656a5ea3d420ea420ceb3d8a7
SHA512546abab7ea9eb4d73a29f7cef87abcebebedb79fd8ce5f20312a158d9eb7fffc2b5c7b4ca09ca28fcd71b5cf3e6243a93a9b599057a84cd7bf24cc203a51008f