Behavioral task
behavioral1
Sample
20240526584fbf959f74a0b12a92121ba73f3fd3cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
20240526584fbf959f74a0b12a92121ba73f3fd3cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
20240526584fbf959f74a0b12a92121ba73f3fd3cryptolocker
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Size
69KB
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MD5
584fbf959f74a0b12a92121ba73f3fd3
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SHA1
6f67804aebe41ca2bf01ffc4ec1182ebd4cadcaf
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SHA256
ac2419261f36f84857c894cb25dafe42cadc3f0442d228d9d97d0c7f30eec835
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SHA512
78a989ccb6de02ad6e236fc5a8045fed987021c3df63b1cfb506990b2f6e1aaa10ded8d0601ad44ec0a00b8b1d29445aaf5594446814c66462a9149f40b24200
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9DE:C4Q2c94OtEvwDpj4H8zR
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 20240526584fbf959f74a0b12a92121ba73f3fd3cryptolocker unpack001/out.upx
Files
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20240526584fbf959f74a0b12a92121ba73f3fd3cryptolocker.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: 36KB
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: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE