Static task
static1
Behavioral task
behavioral1
Sample
2024-01-23_83fc0c4f8b1a51c945d9e5581b493238_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_83fc0c4f8b1a51c945d9e5581b493238_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_83fc0c4f8b1a51c945d9e5581b493238_cryptolocker
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Size
47KB
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MD5
83fc0c4f8b1a51c945d9e5581b493238
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SHA1
297299bbd77afd7d5c506c5847df21b23bda5979
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SHA256
bee0af03b201e3ccc154a4d61339773f0dfaafdd4fac31fd7b392e45f8db3edb
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SHA512
3c77671f7dbb2ccbd1e5a1ea11df9fb9c1baa55ad1514c2b52513e9d5cac1abb8adf3c0c8d98f2dc2cab553fb98d5c3fc262a9cad37839ad6929ee8024df9671
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldfHWPx:xj+VGMOtEvwDpjk/fHYx
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 2024-01-23_83fc0c4f8b1a51c945d9e5581b493238_cryptolocker
Files
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2024-01-23_83fc0c4f8b1a51c945d9e5581b493238_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