Static task
static1
Behavioral task
behavioral1
Sample
stub.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
stub.exe
Resource
win10v2004-20230703-en
General
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Target
stub.exe
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Size
40KB
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MD5
cf37d7bf57898d37497169ea41e7b77a
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SHA1
058f07a8a8debc064cd4ae3d59b74bc323d696fb
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SHA256
89b6b3aeba5717b3b8b695824ced91e31471b0ff9ac1b580e3b107c6bf16c2f7
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SHA512
c5e07507e48beb097556c2c74d06ce9902d6417e7296ff8d2f9470fdad164a83d2906afdab017e9988133b9d14a0989779466856d0be0b4bba601870e926aa81
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SSDEEP
384:MydujLcLQCdmW7XYxxsBfSKX5CyYCrF6oZLWaFWDq:M8ujILvJDYxGoVEF6ovF
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource stub.exe
Files
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stub.exe.exe windows x86
ef7476a358f5a2114e8a51dcef66b7bf
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
Imports
user32
MessageBoxA
LoadStringA
kernel32
GetVersionExA
HeapDestroy
GetStringTypeW
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersion
ExitProcess
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
GetModuleFileNameA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
GetEnvironmentVariableA
GetStringTypeA
HeapCreate
VirtualFree
HeapFree
RtlUnwind
WriteFile
GetCPInfo
GetACP
GetOEMCP
HeapAlloc
VirtualAlloc
HeapReAlloc
GetProcAddress
LoadLibraryA
MultiByteToWideChar
LCMapStringA
LCMapStringW
Sections
.text Size: 16KB - Virtual size: 13KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 12KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ