Analysis
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max time kernel
153s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2024, 12:16
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe
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Size
38KB
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MD5
c6a98db9ae78bc264e96e041ec09e2b5
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SHA1
0d997f866ecb3635207b6114e91a192754f7d6dd
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SHA256
242fb968e738eb2561cb78f3272a50a5f9ba2fd4d3f38115a6f68a5aa08a3195
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SHA512
a897e8ba31dd9c47470954063286942a36a0e5df97b54a533d2670f59b6dbf5658d8c75fa61c81caff4a982cc28ae6057a0b32b2a4d39971101bb9cd4b6e5430
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDDw3sCu5uwSpo:bgGYcA/53GADw8CvS
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation 2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 2996 hasfj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4732 wrote to memory of 2996 4732 2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe 91 PID 4732 wrote to memory of 2996 4732 2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe 91 PID 4732 wrote to memory of 2996 4732 2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-06_c6a98db9ae78bc264e96e041ec09e2b5_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:2996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD5fcab4932f19a53ab0f9236efcf51a0ea
SHA1a060172aa9533ed6c4de4cc59e898cfd4b68854a
SHA256717841cabbbe00d0a2b78cf7d29eda26c62e0df7c608e6d0eb613b8ed956bbcb
SHA512e2852494f6effcdaa29099db116b8c9bad9ba9bbef4bd4fd7e779e721aca37540eec93f64dc62813d7791d2887f6c85472a65f65d8fcc0b87ab53d2409ae649d