Behavioral task
behavioral1
Sample
2024-05-30_83a9ebd7a57f4a33ae87b13909597fef_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-30_83a9ebd7a57f4a33ae87b13909597fef_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-30_83a9ebd7a57f4a33ae87b13909597fef_cryptolocker
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Size
85KB
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MD5
83a9ebd7a57f4a33ae87b13909597fef
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SHA1
e6680d83b34bcf4b0c59e92db4fc6b05d64ceabf
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SHA256
65dd82e59570ad0d54c029c246e646dad1c1648b384f3a4a175227c3d5b6432c
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SHA512
2cf8ef4b00f9ec47a9765537ff579e02ccfac11ede6caa26480c2bb41481d72e98734c4ce9c3186d980a6ed63dea9041991a64af8f14e171b66e4079d2d462a8
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1BD:zCsanOtEvwDpj/
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-30_83a9ebd7a57f4a33ae87b13909597fef_cryptolocker
Files
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2024-05-30_83a9ebd7a57f4a33ae87b13909597fef_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE