Behavioral task
behavioral1
Sample
frviewer.exe
Resource
win7-20240221-en
General
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Target
frviewer.exe
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Size
1.2MB
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MD5
7b1379c702834e5cfd5d0fe45175dc7a
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SHA1
42cdd5dcf7c258f2c14da49eebd64e131d2c36e1
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SHA256
a6696468737e9806f8ebf8cdcb8ffba962a2a226bca8a9822c3e59e42b25d77a
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SHA512
7aa388ca53e1ee15d475428afc9e2965397d0f174df940e5e2ad18bd6e125b32a7b6af8887832f79907244fe1446522d03a11e903e02e7403c3e20f6fe1df64a
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SSDEEP
24576:9ob1CUGHe1mhdEscaAvQpfguqwjhCHo5KCzsIFbrjBLTE096:9obG+1mDc3vQpoxw4olDRndLA
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource frviewer.exe
Files
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frviewer.exe.exe windows:1 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 268KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 133KB - Virtual size: 136KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE