Behavioral task
behavioral1
Sample
2024-06-09_db3b39261ef20700d5bda86d1005b11a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-09_db3b39261ef20700d5bda86d1005b11a_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-09_db3b39261ef20700d5bda86d1005b11a_cryptolocker
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Size
42KB
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MD5
db3b39261ef20700d5bda86d1005b11a
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SHA1
4888ecefe4d04ba1905c9fb0e4076b69b19d744b
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SHA256
9d07f147a4d97c82d866037ddaaf2cc581b51b1731cfc6e7232fdd94a86b7c4a
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SHA512
6e8112dd1b35127fe61f20c3f31804a9231f584ee91b59b15b1c0705e2be39d4c5add651b6a6e98138876b72cae1b36620035efb720c96bc069907c3bc75c343
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKoWY:ba6YcA/Xk3wXFXSqAJM
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-09_db3b39261ef20700d5bda86d1005b11a_cryptolocker
Files
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2024-06-09_db3b39261ef20700d5bda86d1005b11a_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
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
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