Static task
static1
Behavioral task
behavioral1
Sample
2024-05-26_b8ef5eb91b921e6b9a869485d111a884_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-26_b8ef5eb91b921e6b9a869485d111a884_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-26_b8ef5eb91b921e6b9a869485d111a884_cryptolocker
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Size
97KB
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MD5
b8ef5eb91b921e6b9a869485d111a884
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SHA1
54bd8d445dd711b653cdc888838dd20df8972cec
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SHA256
b290ee88809c4ea16a123289b1b3e7191b0af8983c32bd449f4cd6f192c351ef
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SHA512
516cf24c5c9815e2e727f035f524ed5a0de70852bab3e113ad52961a1a5e20f1aea11799596fdeefb22b430560d3294838ac6f5e7b3fdea79e2553202c3f8de9
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJyqdt:xj+VGMOtEvwDpjubwQEIiVmkuqX
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 2024-05-26_b8ef5eb91b921e6b9a869485d111a884_cryptolocker
Files
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2024-05-26_b8ef5eb91b921e6b9a869485d111a884_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