Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 19:21
Static task
static1
Behavioral task
behavioral1
Sample
2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe
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Size
44KB
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MD5
91b2b70fadf4e2c94bbc1d86289069ea
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SHA1
4751532fa6055e604fc5175d8415d0a921ffa8e4
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SHA256
421ba68cca40afabf92c14974e94605ea3f729e16831510ce24f901c1400c5be
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SHA512
e67822f1f0c79703b75dc9c384400a990c77c5b4e9dcc09f7e42e623eaac1abc4a57489b4212d6dc785639a265be8933a2d44cc0242059f4a792c6911556a728
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SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jo0nrlwfjDUIDP:bm74zYcgT/Ekn0ryfjvP
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.
Processes:
2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation 2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe -
Executes dropped EXE 1 IoCs
Processes:
hasfj.exepid process 3112 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
Processes:
2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exedescription pid process target process PID 4224 wrote to memory of 3112 4224 2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe hasfj.exe PID 4224 wrote to memory of 3112 4224 2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe hasfj.exe PID 4224 wrote to memory of 3112 4224 2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe hasfj.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:3112
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD5444114fcce0e00d94394a5f89541fe96
SHA130f9bc4524d4becfc2ffd3159f899d4365d5cf75
SHA256e6825fb581c71fa106d0d355769912893462d71c7182faf719a4cc4a8da8b888
SHA512c1f4eb3d3a46dcb33120b544c2883ed2b6579cd40a28ca9c377a695d204487a5163484d23df89eb4601c40d689d8600f01caa60ed27807c3fc30ceed671ba511