Behavioral task
behavioral1
Sample
2024-04-10_31d6d72e117020174b31b1f007bbaa6d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_31d6d72e117020174b31b1f007bbaa6d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-04-10_31d6d72e117020174b31b1f007bbaa6d_cryptolocker
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Size
58KB
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MD5
31d6d72e117020174b31b1f007bbaa6d
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SHA1
af87abc5c8f2fc2444641e0aefba8989e272c372
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SHA256
8b2f3404de14c2a7356a04cedeea70fc53958851c96df99b56862d11b42bdee4
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SHA512
74a2c1a220b2f1d75abe8c3cd92774e7da24a1ef5845b4629ea726f6a40bab442816b28e638f3435153a0d56ead710ccb74b6f4aaec7328a9c73f5f398f4d431
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1Jl:z6QFElP6n+gKmddpMOtEvwDpj9aYazl
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 2024-04-10_31d6d72e117020174b31b1f007bbaa6d_cryptolocker
Files
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2024-04-10_31d6d72e117020174b31b1f007bbaa6d_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