Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/09/2024, 04:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe
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Size
56KB
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MD5
14ff8572be6e9fe693a9fc762d805824
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SHA1
34fc10e82570aad4ced300563fa5e04f71862160
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SHA256
811eeaf48c63557111fed7a3422d2647e90bea327ca5c21624b98a52d31af307
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SHA512
db4fe1cefcca250b89bb90e5ad1e01d60db224630991a2c7c994c40d0f78ce50f396b171e86297e1e9c56c5ec86e8fc0d72d81cf1dda967508c0ffe2c0f71e41
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6EhKe:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7m
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2284 hurok.exe -
Loads dropped DLL 1 IoCs
pid Process 2260 2024-09-29_14ff8572be6e9fe693a9fc762d805824_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 2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hurok.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2260 2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe 2284 hurok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2260 wrote to memory of 2284 2260 2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe 30 PID 2260 wrote to memory of 2284 2260 2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe 30 PID 2260 wrote to memory of 2284 2260 2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe 30 PID 2260 wrote to memory of 2284 2260 2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-29_14ff8572be6e9fe693a9fc762d805824_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5118f22e9b7b3985f043cbfd05dc4214b
SHA16601c3bfa908a41edbc215e0878ea9d8dc282edb
SHA256ab4af6535e944a125db7d72f2976b6ce1926190b779532cece63752442111b1f
SHA51253af3d46992983c84aa6ea480dd4f58237a322dbae3714e624e19482e1b70c52bc558568c7e0c61134a79cce168f3b3abea172d90027f4eebe17b4dea06fef4f