Analysis
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max time kernel
149s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
10/08/2024, 04:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe
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Size
391KB
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MD5
787436f56dd14158a68ede5c15629490
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SHA1
160b8bdfe2916bb790f1f266472106aa198f40aa
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SHA256
e3e775182f0e747075a74d63dd1f2fb36a5a494671c16271170cd6a210cbb59c
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SHA512
805e0b5450de5124685da19d6b024ac5be37fa0886bfc9655287d5a1b8e5f947d4659c288ad4b00e82e7dbd704361ec6eb3969e1cf2188f2ae345a1f8bb6b182
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRd:nnOflT/ZFIjBz3xjTxynGUOUhXRd
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1944 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2780 2024-08-10_787436f56dd14158a68ede5c15629490_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 2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2780 wrote to memory of 1944 2780 2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe 30 PID 2780 wrote to memory of 1944 2780 2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe 30 PID 2780 wrote to memory of 1944 2780 2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe 30 PID 2780 wrote to memory of 1944 2780 2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-10_787436f56dd14158a68ede5c15629490_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
391KB
MD52b518ef8d2bb593d5ce8f0a425f5d3ff
SHA1b6492729910de7df25bc522567dba0013b17cbf7
SHA2566d0873375ef777e51a5e7c0c6a379df47ad86fa83936c5a1943878b44a139baf
SHA5126bdfcd272069c063a699c0f23c2d174b7c74ce084a05c3a3e05cd2690b25293377e27bc0ab1f5a6a2a0eaac41b17865a72e0c65ef7afa1f62bfce62c3b1c3ebe