Behavioral task
behavioral1
Sample
2024-05-28_f42c865cddcf9d89643f021513ecd13f_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-28_f42c865cddcf9d89643f021513ecd13f_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-28_f42c865cddcf9d89643f021513ecd13f_cryptolocker
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Size
57KB
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MD5
f42c865cddcf9d89643f021513ecd13f
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SHA1
9f7d684b7732a01c5c44a5f2176414d3a1a9bd2b
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SHA256
980a8513aac263356628da9645ca160ad3069124ba84a8f10e4c85e9499b48f9
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SHA512
366b7eb2777822d571e5b301943d45cd92da92c0e85d9f97746762ad93b87b3f662a76510729138489dcaf7a5564ecf93348629a537bcc8d565ce741334264bb
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlggT:bP9g/xtCS3Dxx0Y
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_f42c865cddcf9d89643f021513ecd13f_cryptolocker
Files
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2024-05-28_f42c865cddcf9d89643f021513ecd13f_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