Behavioral task
behavioral1
Sample
2024-05-28_a16b0ff2a6ee8b0c1a37a7d39b3430b8_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-28_a16b0ff2a6ee8b0c1a37a7d39b3430b8_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-28_a16b0ff2a6ee8b0c1a37a7d39b3430b8_cryptolocker
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Size
56KB
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MD5
a16b0ff2a6ee8b0c1a37a7d39b3430b8
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SHA1
3eea8a7a4c51f15975b26f7e0f7d519e91f9fa27
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SHA256
3b91a473d001b56bcc8204b3828ad5e04987a9012fcab35c96d3925073492020
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SHA512
34e4cb0c936d1a061f61da6e80cc543a5a933db9412c348af0697a6bf9aa8805f2de53120f43ecfd1aa07bb5798da1f0ad0170ce9bd8c2b6665784f3a4c3916a
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNJb:bP9g/xtCS3Dxx0C
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 2024-05-28_a16b0ff2a6ee8b0c1a37a7d39b3430b8_cryptolocker
Files
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2024-05-28_a16b0ff2a6ee8b0c1a37a7d39b3430b8_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