Behavioral task
behavioral1
Sample
2024-05-25_83955b7d23ac606715c7f976eedb694a_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-25_83955b7d23ac606715c7f976eedb694a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-25_83955b7d23ac606715c7f976eedb694a_cryptolocker
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Size
52KB
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MD5
83955b7d23ac606715c7f976eedb694a
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SHA1
8357233e8ad9e99cc9b8f02bf15036fc857e200f
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SHA256
62ec3b616f2c616c0fecc9e5e9f911472b0f92a5714659aa5ed0bad9ea0ca464
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SHA512
9a7b925230504139a77893ac4403bd378bb33014cc49e99aa253d7051e6629f20d41406e0da4744956b1e81e113bdb1db0f1298f6f7b4e7c433701fdb47eaf48
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXt:bODOw9acifAoc+v2t
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 2024-05-25_83955b7d23ac606715c7f976eedb694a_cryptolocker
Files
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2024-05-25_83955b7d23ac606715c7f976eedb694a_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