Behavioral task
behavioral1
Sample
2024-04-16_bfb3d803058fc73d26b824f116089b38_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-16_bfb3d803058fc73d26b824f116089b38_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_bfb3d803058fc73d26b824f116089b38_cryptolocker
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Size
72KB
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MD5
bfb3d803058fc73d26b824f116089b38
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SHA1
eb139dec7eb581421d5e562e2d8eb5112a97a567
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SHA256
647a957c4b2aadf130e063ab93b73730aa864efd982cae83113af5887eea58c8
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SHA512
9a2a3a44940ca6d598e63a30853305bdc4cf389788da4044ba22bbed6e42748e8c398aeed6b6816ae34a754d581b4cc0d824241b11486fb87354d8c73f420b15
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBA:z6a+CdOOtEvwDpjQe
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 2024-04-16_bfb3d803058fc73d26b824f116089b38_cryptolocker
Files
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2024-04-16_bfb3d803058fc73d26b824f116089b38_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