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
05-07-2024 06:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe
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Size
30KB
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MD5
955f304865f10d48ce98a733200b6fdb
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SHA1
f96b1bfe0ed7e8d1cbfae39b35edc746d48ee4e0
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SHA256
72822f7471f6062e2bccc0c93658e42cf55f44ba311e713fbc7c103d60a0231c
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SHA512
2beba5bdb38777924dafd5c6df969d74853c267e2b9fcc8ef945174e297d7ffb46b9bdf4f0d563537a4db6bf36531da47fc790bc25c55c39f35f96cdefbd1211
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SSDEEP
768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNfU:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XR
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 1752 hurok.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 4600 wrote to memory of 1752 4600 2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe 81 PID 4600 wrote to memory of 1752 4600 2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe 81 PID 4600 wrote to memory of 1752 4600 2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-05_955f304865f10d48ce98a733200b6fdb_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
PID:1752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
30KB
MD583ee1f5ef089570c307f71a18c395da6
SHA1b3b2e4110f65b2ca5062c83a4f460be4c63886c4
SHA256174a360b252e11fd5123f533e6e450c1b8c03724f51158c6b084b88daf69904d
SHA512ea5f7c2f01ff45b97bd6ea6aa1891f066fb8e1ceb085793366c8daf32f97a66f95c40520787ad962f37d803110ac6ad8ba37b0af0f52c24fcc3ee1d87ff313cc