Behavioral task
behavioral1
Sample
20240521b23fd6f32c2c50852e809f6ff2d70606cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
20240521b23fd6f32c2c50852e809f6ff2d70606cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
20240521b23fd6f32c2c50852e809f6ff2d70606cryptolocker.exe
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Size
97KB
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MD5
b23fd6f32c2c50852e809f6ff2d70606
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SHA1
ddbf452b86bb60dff2a925d00314a120a0b11749
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SHA256
b672bef7b081c2ba59d08ff757c68ca63d9009bcc4e24eb1cd8ff5b8d7d55105
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SHA512
ef8dd5db25e3a36f65cdcc6fa994ed33807eba8a5d1298c3b528047e083292822c9222f344e3befa69feb54ea82c9158278fafbb59c7387ca67359bd94d72d99
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01l:AnBdOOtEvwDpj6zn
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 20240521b23fd6f32c2c50852e809f6ff2d70606cryptolocker.exe unpack001/out.upx
Files
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20240521b23fd6f32c2c50852e809f6ff2d70606cryptolocker.exe.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