Behavioral task
behavioral1
Sample
2024-04-25_57f5d88e80377956a2aee0048c0946e9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-25_57f5d88e80377956a2aee0048c0946e9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_57f5d88e80377956a2aee0048c0946e9_cryptolocker
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Size
55KB
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MD5
57f5d88e80377956a2aee0048c0946e9
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SHA1
2f04433c604c1d4ee519757d5bdb6c8c267a3243
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SHA256
16105842e03d7bbdcfb51c82542d161f841092646406d11357a88fdb7295e5b0
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SHA512
1a4c633cd881f3bad843ad3db0a2caf127f30782100092cb8d5e8e4d6e90af10057e262699035645c0207fc38fbffed6ff0a4235b8dcf2748ea1e51ee75457a0
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlA:bP9g/xtCS3Dxx0z
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 2024-04-25_57f5d88e80377956a2aee0048c0946e9_cryptolocker
Files
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2024-04-25_57f5d88e80377956a2aee0048c0946e9_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