Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_4ef4d5cf5df8c12f47a879ef3c43d0b7_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-29_4ef4d5cf5df8c12f47a879ef3c43d0b7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_4ef4d5cf5df8c12f47a879ef3c43d0b7_cryptolocker
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Size
39KB
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MD5
4ef4d5cf5df8c12f47a879ef3c43d0b7
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SHA1
51f3b7b45c0a62e604a0a77c04da185c8330446a
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SHA256
c5dd1240d759c4e52ebb961d35d256412783d0687377897d669d6ce7395a44a9
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SHA512
8abe76fa9a1bcacd4daa1c666b43ec0c16c808cf9a02ee4572be9b78c84cfb7d3ed3c6a0fe17b358a624b77d2555ae18e3cafd6a93e741dd9c62967f05d22f92
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqhMWKajFD:6j+1NMOtEvwDpjrobFD
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_4ef4d5cf5df8c12f47a879ef3c43d0b7_cryptolocker
Files
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2024-01-29_4ef4d5cf5df8c12f47a879ef3c43d0b7_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: 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