Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
02-10-2024 10:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe
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Size
44KB
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MD5
097d5683686537687364c3587e1e86ff
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SHA1
24c67f5ad7b64c4efd35a6f57c1b62e4d671ff8e
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SHA256
16008062b32766b48cb51e0fa00e93ad1e1fab0b97886006d2209698e804ca29
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SHA512
a2af7df959c0d3c7a2e38db683d7b68a76ebca13463234f0023bdc693fb222ebd50c9a5d45ef1fa151df9efaf1a02ab59a7d71db907c777310c50fbbcc0321e2
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrA:bCDOw9aMDooc+vAqj8
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2988 lossy.exe -
Loads dropped DLL 1 IoCs
pid Process 1884 2024-10-02_097d5683686537687364c3587e1e86ff_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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1884 wrote to memory of 2988 1884 2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe 30 PID 1884 wrote to memory of 2988 1884 2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe 30 PID 1884 wrote to memory of 2988 1884 2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe 30 PID 1884 wrote to memory of 2988 1884 2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2988
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
44KB
MD59e6fdff683ce7abcd5bc49c9597cc6c5
SHA1b159498e52d9a04bf3263069961cb92210a5e700
SHA256f651bd8465f2319271c860ce4222f632198fb7c35dd34a4f733c558c80a934c0
SHA5123e7979ef6c40dc131c79fdd7d80f96d38236c4d9cc50996a0d84123f92626ef2cfdbcab532e068541a1df044480cecd301da626448abaa2ccc2a91035f5e110e