Behavioral task
behavioral1
Sample
2024-05-20_bc86b261a23843fe4d7034daa74f7137_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-20_bc86b261a23843fe4d7034daa74f7137_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-20_bc86b261a23843fe4d7034daa74f7137_cryptolocker
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Size
57KB
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MD5
bc86b261a23843fe4d7034daa74f7137
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SHA1
5344d34b68bee66c55a94e73243841534d8836b5
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SHA256
2911bacf0110a3554def2f70d187da270979e7df31b3a21ade539cf977c96c26
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SHA512
2bb171ee686d5f0c1a3e535a4a459b5417aa3a460ec33603ec8e5c9143dbf57aaec65e12c40f8702cd78d2e89d4fca6e1809ac4a7ce6f40cd219d061fc7ac181
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+UR:bP9g/xtCS3Dxx0JG
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 2024-05-20_bc86b261a23843fe4d7034daa74f7137_cryptolocker
Files
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2024-05-20_bc86b261a23843fe4d7034daa74f7137_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