Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
04/02/2024, 06:40
General
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Target
2024-02-04_d499605fb2c6887ebd12ef2174a14a53_cryptolocker.exe
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Size
82KB
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MD5
d499605fb2c6887ebd12ef2174a14a53
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SHA1
ad2b9064e8cc23bec1691d7e976b4f71fd9d8fdf
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SHA256
0abdcfc845e55da080bd9ae819a8b172a34fd4d00a972fbd578a0344b1848a8f
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SHA512
a04569b6a42703b869346f93c1db7b9de461a5da9413cf3a4d03be8a979e051d77d648e71d55e8d18147cf0569ed97264523bdcadebd0fcee5735dbf77836fc6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1nz:zCsanOtEvwDpjJ
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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
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C:\Users\Admin\AppData\Local\Temp\2024-02-04_d499605fb2c6887ebd12ef2174a14a53_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-04_d499605fb2c6887ebd12ef2174a14a53_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD57da604cff579ebe38a0073d281821c08
SHA146bb3c629499e53bc4feed338c48d4e051acf220
SHA25601195a74287066ba11ec467db60926deb2a46fbf8187dc2455d556fc664ad9b9
SHA5124cc00d214935dd31db07e8e5272a3b4ddd123cdd06a47a3ab99bfdcc529e1d839bf209e81d10f65417a254f5a536719fe79322dbd8372b3fa6fdf89251af0e9f
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Filesize
82KB
MD5c462b7be1249cc4b4b0dc24ff91877e3
SHA1ff8c058cba47ef29c361bd5f7bc28146347f08d0
SHA256e90667952ae3886d7d0258eb9470d49e92a72273a89c972b4b037b15fae22608
SHA512ac45e9e6cbcd074316a4ed979dc8bc85e69d3430c1dae313d889db865969c9e3a4a15179e8fc23545bc8db9604e4520cd67fda52628147c61e38083e5d90e3d3
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB