Static task
static1
Behavioral task
behavioral1
Sample
brosz.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
brosz.exe
Resource
win10v2004-20231215-en
General
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Target
12533b424fc0e2699ee631f70f90c53a
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Size
371KB
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MD5
12533b424fc0e2699ee631f70f90c53a
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SHA1
af8bdea7faee3089d42ce253a9459795ee8cf6b1
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SHA256
4a1040f8742a36f31cf465ff3a17e462fae631f2f87dcf40bdbb1f59d439b0fa
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SHA512
87bd58328d8d39c02ce421bbf07842bc9c04199c5958e5aadab444436cc78790fb043370157e0c841a2fff99c2b015b59ee367c8a141f1aaf2b4e3a8e809d404
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SSDEEP
6144:So6wE99mkHuNYXYeDAxstB2WKvD62uiOYIfBbXSm7ezQHRUqiX+NW0e9S+:UCkONYodutB2hDUiqBbXBBxbiONWbS+
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/brosz.exe
Files
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12533b424fc0e2699ee631f70f90c53a.eml
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REVISED PO AND BANK DETAILS.zip.zip
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brosz.exe.exe windows:6 windows x86 arch:x86
7f3a4a0e96d9bcc5b3425ad3dca611da
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
WriteFile
CloseHandle
VirtualProtect
DecodePointer
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
HeapReAlloc
HeapSize
SetFilePointerEx
GetProcessHeap
LCMapStringW
ReadFile
GetStringTypeW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
MultiByteToWideChar
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
GetACP
CreateFileW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
GetCurrentProcess
TerminateProcess
RaiseException
RtlUnwind
GetLastError
SetLastError
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
HeapFree
HeapAlloc
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
WriteConsoleW
user32
LoadCursorW
GetWindowLongW
MessageBeep
MessageBoxW
GetWindowTextW
SetWindowTextW
EndPaint
BeginPaint
GetDC
UpdateWindow
GrayStringW
TranslateAcceleratorW
LoadAcceleratorsW
LoadIconW
GetDlgItem
EndDialog
DialogBoxParamW
ShowWindow
DestroyWindow
CreateWindowExW
RegisterClassExW
PostQuitMessage
DefWindowProcW
SendMessageW
DispatchMessageW
TranslateMessage
GetMessageW
LoadStringW
SendDlgItemMessageW
comdlg32
GetOpenFileNameW
Sections
.text Size: 72KB - Virtual size: 72KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 30KB - Virtual size: 30KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 68KB - Virtual size: 67KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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email-html-1.txt