Behavioral task
behavioral1
Sample
2024-02-14_7f8b8c560029a21fbadf084a25f50e36_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_7f8b8c560029a21fbadf084a25f50e36_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-14_7f8b8c560029a21fbadf084a25f50e36_cryptolocker
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Size
116KB
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MD5
7f8b8c560029a21fbadf084a25f50e36
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SHA1
c188e3dd31d3576da51a38eeceab755eba796506
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SHA256
f2e22b73b2f442d04994f3b6c7e25c9aca9e805170948896fd3ac271b9893242
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SHA512
588325a7121b93c581839f48d03f7c49973419e81cafe82611a747004f9c653a2fb897a1ae1285bab096d55c47f10d242c7d9e2e453e25716785675ed3b8bfde
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNgerar/cH:T6a+rdOOtEvwDpjLzl
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 -
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 2024-02-14_7f8b8c560029a21fbadf084a25f50e36_cryptolocker
Files
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2024-02-14_7f8b8c560029a21fbadf084a25f50e36_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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