Static task
static1
Behavioral task
behavioral1
Sample
2024-03-10_fbb4aaf5b692f402601aa940a405a5f2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-10_fbb4aaf5b692f402601aa940a405a5f2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-10_fbb4aaf5b692f402601aa940a405a5f2_cryptolocker
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Size
93KB
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MD5
fbb4aaf5b692f402601aa940a405a5f2
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SHA1
a1af110286440b683aabe3268f7fa698df3a6757
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SHA256
ef250306dabf1c7413c903900896c96479407c9708fa019f0e0bb517bef6a477
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SHA512
b1ac664d06195453815e171811fdfffa3a95a1a405860c0778a6ceafb65b800a0777e1854a1cb092245800b19a0c46ec488aa62c48594ad9a352ea068fe0566b
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvP2c:xj+VGMOtEvwDpjubwQEI8UtzNcO8nSK
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 2024-03-10_fbb4aaf5b692f402601aa940a405a5f2_cryptolocker
Files
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2024-03-10_fbb4aaf5b692f402601aa940a405a5f2_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