Behavioral task
behavioral1
Sample
2024-01-18_40ccf6931e4dbda6db73091799dc3986_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_40ccf6931e4dbda6db73091799dc3986_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-18_40ccf6931e4dbda6db73091799dc3986_cryptolocker
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Size
67KB
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MD5
40ccf6931e4dbda6db73091799dc3986
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SHA1
f4afbf212f955f4cb7652fba0d69f6139b8b87b6
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SHA256
4f54b6b604e58ce771c1f47a6b6188a5065ecf8367e01c23d687c3740c96a9ed
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SHA512
87bd9720d0b746cfdf9a1b6392453c06f4f380dd2d39c9dfcfc3825d354e76e293cb9802c10577c0ebbd4d2493fb005d63d5078698bd91a51f33afacdbd9280e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvCbDa6Je:z6a+CdOOtEvwDpjQH8
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 2024-01-18_40ccf6931e4dbda6db73091799dc3986_cryptolocker
Files
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2024-01-18_40ccf6931e4dbda6db73091799dc3986_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_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