Analysis
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max time kernel
31s -
max time network
42s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2024, 08:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe
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Size
32KB
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MD5
22f0dccc3d6b36a13425f20eaec309f1
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SHA1
159163526de995c3b2d97d32d16a6827980aa48a
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SHA256
23bbb06311a2ed170b733bf7e7d3ea3ba226adf7341cb0dccbc5a29c24184b61
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SHA512
97d3425ef345228df7ecb82dba1540d46ce7f2f12ed92bb9a648064a73f381bd927f4a13d199a08a5d07734c4e416968ff8cb3fc24f4bb7f15045f073e294641
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SSDEEP
384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B4lWS+8:btB9g/WItCSsAGjX7r3B4G8
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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3760 gewos.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 2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1252 wrote to memory of 3760 1252 2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe 84 PID 1252 wrote to memory of 3760 1252 2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe 84 PID 1252 wrote to memory of 3760 1252 2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-06_22f0dccc3d6b36a13425f20eaec309f1_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3760
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
33KB
MD592f9c92ef70fd84f1a984db2c165ca34
SHA1942ab93bfb173c11568e38ab70857d915ae34252
SHA256d0ad9a65665983e054dee280f8b7673531502ac1fb07bcf167ab7f06a1454b2a
SHA512dd5a5175cc5456193f924417f495497a19f53a16161cda06cf223bf2d001ad709b234bb5bd7ea8535fe3a3acca914761ce9dd88a7fbb7152d04b0bb74c171ffc