Behavioral task
behavioral1
Sample
20240521e1b64719d835787caf5348418b0d1595cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
20240521e1b64719d835787caf5348418b0d1595cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
20240521e1b64719d835787caf5348418b0d1595cryptolocker
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Size
78KB
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MD5
e1b64719d835787caf5348418b0d1595
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SHA1
20b02954acdf98fde59bb94620d8604788577a42
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SHA256
9b83c7aed93f40d707eb1fdc3fe17d046eb085d1d7c63a997fb2522a69f4b956
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SHA512
ccd7d7fdcfa7dc970164e6ae0645526c10d726d40726855081fe7eba811b42030adaf3a44dcdb5ad7b8b2fbb89af1132b5c6273014767b1b3da7639f69ea037d
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB149:T6a+rdOOtEvwDpjNtHPT
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 20240521e1b64719d835787caf5348418b0d1595cryptolocker
Files
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20240521e1b64719d835787caf5348418b0d1595cryptolocker.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