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Analysis
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max time kernel
163s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12/01/2024, 05:58
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe
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Size
48KB
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MD5
47ed1f9987ee335d25a00d63a55a1167
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SHA1
86c9c977be1f41b06a950ad547b05bf7ac09906a
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SHA256
9622d48a46ec6987efdc87eaab740c6c764944000a7710268ef00b6eaa90934c
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SHA512
a7da284c5791f58a7bdc71f4e24280037e5fb0c089cdeababae28bc266ae6476daff559fc9cb8ffd5b299284209ad583c8caf52001a0668e1f969d802fa60678
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKI949:79mqyNhQMOtEvwDpjBxe8TpX9Q
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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation 2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 976 asih.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 4576 wrote to memory of 976 4576 2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe 95 PID 4576 wrote to memory of 976 4576 2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe 95 PID 4576 wrote to memory of 976 4576 2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:976
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD598370a2fa0d532ea53d1ddc28608c4d9
SHA1c5f3f6d9f6f427450a89ad727982a7150ed6e00a
SHA256d749ff5b14120e25b83061a446052f343e9a9efba0ab3aacad0c7c0cc708225f
SHA512ac80ed1a75223baccbc4e2b5972cef00449abe1b555d9b7dbb1e07ace8804e881a2c0830c1accf2f8313b546c4e8e19c142e9318b741bcf992e93813c30d60eb