Static task
static1
Behavioral task
behavioral1
Sample
2024-02-22_3c81eac88bdadddc07e712bee87c3560_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_3c81eac88bdadddc07e712bee87c3560_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_3c81eac88bdadddc07e712bee87c3560_cryptolocker
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Size
96KB
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MD5
3c81eac88bdadddc07e712bee87c3560
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SHA1
5f6714608c5abc8f7067bdb63b38b48d09e95fdb
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SHA256
391b9ba79b58956ed6c3d46c645d2755d25e09103eae11827539b08c95164902
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SHA512
95571d22a887f4842859d96cf8f90fbe1847116406e7ccccc655bc8592bd59e3302296d2c9608b4e35f020dc136d4d9ba8bc84bd5eddc085daed4abbe9ef8f37
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJvfT3laSby:xj+VGMOtEvwDpjubwQEIiVmkflad
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 2024-02-22_3c81eac88bdadddc07e712bee87c3560_cryptolocker
Files
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2024-02-22_3c81eac88bdadddc07e712bee87c3560_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