Behavioral task
behavioral1
Sample
2024-04-23_7641d9158059eda00150e4e3b57786d9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_7641d9158059eda00150e4e3b57786d9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_7641d9158059eda00150e4e3b57786d9_cryptolocker
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Size
55KB
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MD5
7641d9158059eda00150e4e3b57786d9
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SHA1
120ae8dff59eae3ee99c538ff43bd2622c444043
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SHA256
cf2f926d7fa7ffa889b5108e6679ea9a67a67e33ecf24f978939ad90d05c603f
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SHA512
67b6728e9a8e6f03844df4d9b20ac5ae705f02cbe86c2fef071e392f73ff862d847a3b4cdc3ef910771f2dac07d509f32da5f0221f580f58730004e204da3edd
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+Y:bP9g/xtCS3Dxx0JY
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 2024-04-23_7641d9158059eda00150e4e3b57786d9_cryptolocker
Files
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2024-04-23_7641d9158059eda00150e4e3b57786d9_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