Behavioral task
behavioral1
Sample
2024-04-29_733f4c880bddacdb626a2a8f4880726b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-29_733f4c880bddacdb626a2a8f4880726b_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_733f4c880bddacdb626a2a8f4880726b_cryptolocker
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Size
55KB
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MD5
733f4c880bddacdb626a2a8f4880726b
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SHA1
367c87168296e76d02c7d8be7412d1352f0bff7a
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SHA256
318c3a0788d51b98c590309ba8484f0607c0105241d028fcdb0c6637a2a7d90e
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SHA512
e3675f4b04ce496a5f4cc53aa139a4a23e1689c5ca498b5b6a829bff487200fc7e8193294a519592423077244920a7083a570f7ac5c80c7fc5fa4a0eb1290407
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl6E: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 2024-04-29_733f4c880bddacdb626a2a8f4880726b_cryptolocker
Files
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2024-04-29_733f4c880bddacdb626a2a8f4880726b_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