SysterBrosd
Static task
static1
Behavioral task
behavioral1
Sample
46e2cdb303a6a50fb9377f9f894b59f3.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
46e2cdb303a6a50fb9377f9f894b59f3.exe
Resource
win10v2004-20231215-en
General
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Target
46e2cdb303a6a50fb9377f9f894b59f3
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Size
224KB
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MD5
46e2cdb303a6a50fb9377f9f894b59f3
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SHA1
ca2d7d49e75084d5c473af650e198dbd9e565e97
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SHA256
04d185a50e8293fd7149b4dfc803b96d87329fd2abc8ba8adca7282773d31082
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SHA512
7e83023b5231aa140cd2046d9e55c34913c36d38b34ff07a6eb35558d3f42a377adef562ddb8d9ac29392b5460f7ed2263228da9a8bf64cc2f7c49f043dc78b1
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SSDEEP
6144:BwQTmv/8O4MZT6kyhTnCwn7WksQ4HeFxP+xIVZh:GgmvVZTKhTnCkqHevmxIVZ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 46e2cdb303a6a50fb9377f9f894b59f3
Files
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46e2cdb303a6a50fb9377f9f894b59f3.exe windows:4 windows x86 arch:x86
8e815e431d9c1c09806769f2f8fac7d1
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
ws2_32
WSAWaitForMultipleEvents
WSAEnumNetworkEvents
rasapi32
RasEnumConnectionsA
RasGetConnectStatusA
tapi32
lineOpenA
lineTranslateAddressA
lineShutdown
lineClose
lineHold
lineTranslateDialogA
lineInitializeExA
loadperf
SetServiceAsTrustedA
kernel32
GetModuleFileNameA
GetSystemInfo
VirtualProtect
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
LCMapStringW
MultiByteToWideChar
LCMapStringA
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
QueryPerformanceCounter
SetConsoleCtrlHandler
VirtualQuery
InterlockedExchange
Sleep
CreateProcessA
CloseHandle
GetStartupInfoA
DeleteFileA
GetTickCount
WriteConsoleW
GetWindowsDirectoryA
RtlUnwind
RaiseException
GetModuleHandleA
GetCommandLineA
GetVersionExA
HeapAlloc
HeapFree
SetUnhandledExceptionFilter
ExitProcess
GetProcAddress
TerminateProcess
GetCurrentProcess
WriteFile
GetStdHandle
UnhandledExceptionFilter
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetLastError
GetEnvironmentStringsW
SetHandleCount
GetFileType
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
HeapReAlloc
IsBadWritePtr
HeapSize
IsBadReadPtr
IsBadCodePtr
LoadLibraryA
GetACP
GetOEMCP
GetCPInfo
Exports
Exports
Sections
.text Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 48KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 140KB - Virtual size: 523KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE