Behavioral task
behavioral1
Sample
2024-02-14_dfb4fd7b24a7a842d96636f081cbb5d4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_dfb4fd7b24a7a842d96636f081cbb5d4_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-14_dfb4fd7b24a7a842d96636f081cbb5d4_cryptolocker
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Size
57KB
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MD5
dfb4fd7b24a7a842d96636f081cbb5d4
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SHA1
63e0d8be99e879835c9a9a9a7b538ad2ddc47992
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SHA256
84e2bc3f79d34bda5f9e7d77b9d63eddf12a14d3d2e42e7ea23ae832575988fa
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SHA512
f0d919c5a94ffab5a51dd5111fcd93c143f7ac3ba4f90273ea8796abc42033d7598240f7170bdcc75c92c197ee6d48b0381174db1a1cb17d028c3225aa9cf266
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1k:z6QFElP6n+gKmddpMOtEvwDpj9aYa6
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 2024-02-14_dfb4fd7b24a7a842d96636f081cbb5d4_cryptolocker
Files
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2024-02-14_dfb4fd7b24a7a842d96636f081cbb5d4_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