Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_81fc6e20f524cec835b30c10c12f5e81_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-29_81fc6e20f524cec835b30c10c12f5e81_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-29_81fc6e20f524cec835b30c10c12f5e81_cryptolocker
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Size
57KB
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MD5
81fc6e20f524cec835b30c10c12f5e81
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SHA1
7845a05a076167cf24d44fe669e0beee21961fe9
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SHA256
c87f7959076ae2d68b2fb37eec1038521344188255fec5096f31d4f5c18bf377
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SHA512
6b2aa22bec667647a01e6fc4d838156f4c7eb7eae50581bca13e8583a3f81f26283ef4d17ff21a016c34fcdf1a1c12dbfdb4762a131899ac5aa81ff2ce6857c5
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Gowfj+:xj+VGMOtEvwDpjubEg8
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-29_81fc6e20f524cec835b30c10c12f5e81_cryptolocker
Files
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2024-01-29_81fc6e20f524cec835b30c10c12f5e81_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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