Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2024, 11:29
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe
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Size
41KB
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MD5
d080b49b0c4a90b646f9467a7d2c6f2f
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SHA1
ccf199569356e6e77947c5efa288dbee26037f43
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SHA256
ef8e4f9eb6ef121c44bb81de96331ee18fd653a3b694808955bc4f6ba772c2ed
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SHA512
ae376758903ce5b494e0a7e3a8799268d3fd3579d15109af8ce7c371ea2a074ed8e233ec2b9bfeea9b791193f650b59152bc052053845e3a6aca29d9bb18edf7
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedmL:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+W
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 5100 asih.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 2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 384 wrote to memory of 5100 384 2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe 86 PID 384 wrote to memory of 5100 384 2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe 86 PID 384 wrote to memory of 5100 384 2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-13_d080b49b0c4a90b646f9467a7d2c6f2f_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5100
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
41KB
MD53d7057df007c5510de6881280b24cf54
SHA1711e4715a81ea71a2fef9efadf2293f08d993962
SHA256d46c624bb137ee2cf8a64a953b4156b37536fd2bc1d1101269985ad524c03366
SHA512aa4090728c9de0377f812b77614bea549b362647794e2ac376c2da76b2224951b048dd2fdcf0b3c0f556f5c41e113755b452d8871f7d78805cf13dcbba9575ab