Behavioral task
behavioral1
Sample
2024-04-29_2aa3070bf33683b030f58e1122498be4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_2aa3070bf33683b030f58e1122498be4_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-29_2aa3070bf33683b030f58e1122498be4_cryptolocker
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Size
55KB
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MD5
2aa3070bf33683b030f58e1122498be4
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SHA1
4209066f15e27695676450587ffe986328913577
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SHA256
1fcb265c417e9481d764793f3df4b559601ced7e20be01d4a0dd4b6da6667d12
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SHA512
ef298d1316f108bfc44f88ec3468256c64d987d12a68a3247c2da330e02fc069985844b5f9e552961ad933e5251b40e0be6503a59b532f6306a7e3fcb8b56518
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNd:bP9g/xtCS3Dxx0a
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-29_2aa3070bf33683b030f58e1122498be4_cryptolocker
Files
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2024-04-29_2aa3070bf33683b030f58e1122498be4_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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