Behavioral task
behavioral1
Sample
2024-06-24_bb23ca1ca56780b7356f0b3dcb9aae56_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-24_bb23ca1ca56780b7356f0b3dcb9aae56_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-24_bb23ca1ca56780b7356f0b3dcb9aae56_cryptolocker
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Size
43KB
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MD5
bb23ca1ca56780b7356f0b3dcb9aae56
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SHA1
123714d88fee573780533bdca93c3c3e6a354edc
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SHA256
7f28f5bc3584a77254f8de7a4c666262c4940ca29dfe3ec3d110e105a0854ee9
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SHA512
76cc20a386450c746446015ba79564660fa6c15397315b64fe3ece0bd9ac83672e6a1bf171fedba36649c30aa95dcab345cace0550e0d4d565e6c41ee855df09
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SSDEEP
768:bO74zYcgT/EkdCQgpwXFXSqQXfj0xKsJc:bO6YcA/Xk3wXFXSqAJx
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 2024-06-24_bb23ca1ca56780b7356f0b3dcb9aae56_cryptolocker
Files
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2024-06-24_bb23ca1ca56780b7356f0b3dcb9aae56_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