Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_cf17aaaf33ee6e45e0b9a16bd8e753d3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_cf17aaaf33ee6e45e0b9a16bd8e753d3_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_cf17aaaf33ee6e45e0b9a16bd8e753d3_cryptolocker
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Size
46KB
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MD5
cf17aaaf33ee6e45e0b9a16bd8e753d3
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SHA1
3ca5f335d3e89703294874c7f066d34857988646
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SHA256
63305d803d37417f2c31d8aeddf43883bbe4f9ceab1b6f6f9e693682208c8065
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SHA512
4f03c16c87b8f5791e39482a7c1f580965fd51be0d614cfa3ca8f949ed9608b107098ab9b71dcb3061bca9f9b5173de36dbd4a0c5c93ef260945835d20de210a
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldtS:xj+VGMOtEvwDpjk/tS
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 2024-02-23_cf17aaaf33ee6e45e0b9a16bd8e753d3_cryptolocker
Files
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2024-02-23_cf17aaaf33ee6e45e0b9a16bd8e753d3_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