Behavioral task
behavioral1
Sample
2024-04-11_a0be213a756791654e76d5bd6ca618c2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-11_a0be213a756791654e76d5bd6ca618c2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-11_a0be213a756791654e76d5bd6ca618c2_cryptolocker
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Size
54KB
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MD5
a0be213a756791654e76d5bd6ca618c2
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SHA1
39ddcd0a4572da292bd91c2275037517c070ecce
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SHA256
ff65cdb11448b69345ce379b1019a2ae41bb07c90c5671cbe7a0194339cd97da
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SHA512
c83f783fb2017b294431fc5a8373797a65ea7d8015cf1f29dcc94697eef246f69cc7cb793d1ec771d00375ce7d141c77e510555edec8782b6e5b03b112864e6e
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUd:bP9g/xtCS3Dxx0Q
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 2024-04-11_a0be213a756791654e76d5bd6ca618c2_cryptolocker
Files
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2024-04-11_a0be213a756791654e76d5bd6ca618c2_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