Behavioral task
behavioral1
Sample
ff41fd5678f4cfb5a373780cacca5748_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
ff41fd5678f4cfb5a373780cacca5748_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
ff41fd5678f4cfb5a373780cacca5748_cryptolocker_JC.exe
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Size
96KB
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MD5
ff41fd5678f4cfb5a373780cacca5748
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SHA1
44cb851a105ade937748e0e83bd5be2c4078fb14
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SHA256
7cf1623182f4da4544693cd0b8f44449024a12945e826c727383afbe6d1839d1
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SHA512
4a02730329f13fc6e50f6992c8f6cff5a67232c792000161ea339e24358f72f5a0045a39444d3bdf7042bdbf4789683134cbd6145f9768c6eb0202f64cf30ee6
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQb6e:AnBdOOtEvwDpj6zL
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource ff41fd5678f4cfb5a373780cacca5748_cryptolocker_JC.exe unpack001/out.upx
Files
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ff41fd5678f4cfb5a373780cacca5748_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