Behavioral task
behavioral1
Sample
2024-04-27_fa2b1206b628b585231b3c471523b161_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-27_fa2b1206b628b585231b3c471523b161_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_fa2b1206b628b585231b3c471523b161_cryptolocker
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Size
55KB
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MD5
fa2b1206b628b585231b3c471523b161
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SHA1
88e524508d17357ec693c586010e93640c644f54
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SHA256
181b8d0ef2aa567f92832bbd97e81b753a983a931a27ecd270b540f9b4f8fadf
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SHA512
0d8cabca2a67dac9231202c24eac1ca2bacfa09f4df1f82833f05dc911e0a15f844058df72e5154ba81ae37dd4ef519f57c8a76d67e02f7bc33049655792b2f0
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNJ:bP9g/xtCS3Dxx0m
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 2024-04-27_fa2b1206b628b585231b3c471523b161_cryptolocker
Files
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2024-04-27_fa2b1206b628b585231b3c471523b161_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