Behavioral task
behavioral1
Sample
37b1ad39bc683ab76a19a86a6a4b3130_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
37b1ad39bc683ab76a19a86a6a4b3130_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
37b1ad39bc683ab76a19a86a6a4b3130_cryptolocker_JC.exe
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Size
79KB
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MD5
37b1ad39bc683ab76a19a86a6a4b3130
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SHA1
44a134bc6494541a11cb28cdebb9439565af7e00
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SHA256
18dd9fbbf3311d014bc08f3a5d9bb92242de1e3161ac86426c4e01f1d2c7ae6a
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SHA512
84f827b8e4e1e1c8ecab41161adf997515fae7692e6505617985486e3e076d6e50b95975cce656cea962e2174ce9fee57fa75f396e20b85c559d5e23ba0391be
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIa:qkmnpomddpMOtEvwDpjJGYQbN/PKwMa
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 37b1ad39bc683ab76a19a86a6a4b3130_cryptolocker_JC.exe unpack001/out.upx
Files
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37b1ad39bc683ab76a19a86a6a4b3130_cryptolocker_JC.exe.exe windows 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 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