Static task
static1
Behavioral task
behavioral1
Sample
2024-01-23_605f91a8f8c922a9b90e9bebbe19aab0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_605f91a8f8c922a9b90e9bebbe19aab0_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_605f91a8f8c922a9b90e9bebbe19aab0_cryptolocker
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Size
58KB
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MD5
605f91a8f8c922a9b90e9bebbe19aab0
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SHA1
9d291131ff1f3cdd4855926f563209530a813907
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SHA256
462149fb62976928827ba7d6be6b4d3cbfd35dc1ada892f28c81514745500d05
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SHA512
189a97d5349218bba0cc8af3e5f8042616aee377bdfc9865042013525c26f513373d55f7f1e521e5d63a2c4de18a73a4d51f9ef5b4ed0db01b0e24ddc0de96f5
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwDm:xj+VGMOtEvwDpjubEgywy
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_605f91a8f8c922a9b90e9bebbe19aab0_cryptolocker
Files
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2024-01-23_605f91a8f8c922a9b90e9bebbe19aab0_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