Behavioral task
behavioral1
Sample
fscan64.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fscan64.exe
Resource
win10v2004-20240412-en
General
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Target
fscan64.exe
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Size
6.0MB
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MD5
8b4b1a1201283539fe7e9223cb638b3f
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SHA1
9c8f4a2f839e086f3600a0e985e5bf82a125c936
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SHA256
2b95a7ce1b9f3b45c71ff12e23edb534e033755277932cf1da5fecac48585d93
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SHA512
49f0421ffc462695b87e4b5c46a8a3ac5de1499894a00b0c1b9531db04142e3b77754aa34780e1d95dad2d8355d54796cf5983fe36419cd5c01e378caad32df3
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SSDEEP
98304:TkKtRHjkKco4D/aitcmtGkbcbxXDGiIBfZgeEXLq2tbYnVazk4XQTipVD:4YHjkKD6tDthcbVSfeR2YEVazeip
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource fscan64.exe unpack001/out.upx
Files
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fscan64.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 17.9MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 6.0MB - Virtual size: 6.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 7.8MB - Virtual size: 7.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 14.9MB - Virtual size: 14.9MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 469KB - Virtual size: 897KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 151KB - Virtual size: 150KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ