Behavioral task
behavioral1
Sample
61fa9c48bd53fa4235967bf8b04f3412_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
61fa9c48bd53fa4235967bf8b04f3412_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
61fa9c48bd53fa4235967bf8b04f3412_cryptolocker_JC.exe
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Size
95KB
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MD5
61fa9c48bd53fa4235967bf8b04f3412
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SHA1
706c40ab528c3a8cebfcea796b5e4e3b965bb2fe
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SHA256
612c0264a3911b12187e9d1fbafa1971de867105346499eae1815b382fa3436d
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SHA512
ab5306405ff08be61e0a41acb666c36695bb1969020290bc7889d5ce1eef89b72c3dec9cfd0dc106ec9223a1bd6789032e131bb744c3ebbc95a71b4d841560bd
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsvi+:AnBdOOtEvwDpj6zI
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 61fa9c48bd53fa4235967bf8b04f3412_cryptolocker_JC.exe unpack001/out.upx
Files
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61fa9c48bd53fa4235967bf8b04f3412_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