Static task
static1
Behavioral task
behavioral1
Sample
2024-03-09_4f1f5d71de789775876803dbb15b2d99_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-09_4f1f5d71de789775876803dbb15b2d99_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-09_4f1f5d71de789775876803dbb15b2d99_cryptolocker
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Size
93KB
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MD5
4f1f5d71de789775876803dbb15b2d99
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SHA1
9f78183d205cde48ef6dcce75b9c4a88c316fbf9
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SHA256
6291ef27d6559d4e61ea411750f8f352e5135d27158e01efa5c98174c3cb2ed1
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SHA512
4775f09f487a043ba4259aa94352905537e1b09c0ce5e4a932b8fafc313fd6bedbab8ad8fe432840f3ca521fe19b65bbce748715a7e70f275cc83e726230dc95
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvP2y:xj+VGMOtEvwDpjubwQEI8UtzNcO8nSU
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 2024-03-09_4f1f5d71de789775876803dbb15b2d99_cryptolocker
Files
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2024-03-09_4f1f5d71de789775876803dbb15b2d99_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