Behavioral task
behavioral1
Sample
2024-10-12_8dd183ef4f57c90fbd94c4ac5f3461a8_cryptolocker.exe
Resource
win7-20240903-en
General
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Target
2024-10-12_8dd183ef4f57c90fbd94c4ac5f3461a8_cryptolocker
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Size
91KB
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MD5
8dd183ef4f57c90fbd94c4ac5f3461a8
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SHA1
737eb45e73cbe520eccb29b7d82ad8ddc089260b
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SHA256
37357309c55c39494ce9b8ba4996c843e27e92952f0614d3ec0206a10a81818d
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SHA512
99aea6c52ac1c8e482f76e791d052242850504c39229b289ccde90a3034b2bf1c18f35e7e55ecaaa11b369f7b6212e81238ccc5b6bc63a9e42faebfe5c6c243d
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01ld:AnBdOOtEvwDpj6zt
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-10-12_8dd183ef4f57c90fbd94c4ac5f3461a8_cryptolocker unpack001/out.upx
Files
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2024-10-12_8dd183ef4f57c90fbd94c4ac5f3461a8_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
Sections
UPX0 Size: - 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
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ