Behavioral task
behavioral1
Sample
2024-01-27_ef12bf6197dc15e28730c2941a070287_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_ef12bf6197dc15e28730c2941a070287_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-27_ef12bf6197dc15e28730c2941a070287_cryptolocker
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Size
68KB
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MD5
ef12bf6197dc15e28730c2941a070287
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SHA1
64a623f1cfc8f11ce049b2345f579db79676d3b8
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SHA256
4315ccbdc306997327b20c8ba054a86b59b48ed9f343906f62e9e6cbbd630f77
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SHA512
f4f3d209eb6cd69d7bef7b96ddf1a21748834149c1bb843d5070b76eaf2505b5950bef4ce401dfab939551f08fe345eba08b64a41651a32d90f92679c7ff087c
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB+X:z6a+CdOOtEvwDpjQA
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-01-27_ef12bf6197dc15e28730c2941a070287_cryptolocker
Files
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2024-01-27_ef12bf6197dc15e28730c2941a070287_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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