Static task
static1
Behavioral task
behavioral1
Sample
bea95bebec95e0893a845f62e832d7cf.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
bea95bebec95e0893a845f62e832d7cf.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$TEMP/mcwsazmq.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
$TEMP/mcwsazmq.exe
Resource
win10v2004-20240508-en
General
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Target
9c6a1317b6ddf6c11ec34f3e3240b3c7.bin
-
Size
90KB
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MD5
9c6a1317b6ddf6c11ec34f3e3240b3c7
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SHA1
dfe8c4b0bce6a48bf4ed21fdab8c4b5e9c59d2ce
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SHA256
947ae5e40254363d6bdf8007a5aaffe43a8fc43c5ae4608192c9ea248459baca
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SHA512
7850cd937d85d1efdfb87963571ec9d94d8cc9f840f76a07c5b1d3fb669ec25b644ce1c14c1cdcc9e0c14a4814412e3c9b29b38cf372038499d0f05071187575
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SSDEEP
1536:CemCP8Y1B61HXMC6SBizXyTGqymzUr2ovP0aTh/Ld63qSMZNWWZUVVvVSP4hn4vF:rp1BO8IWCGqPzUrTvRdOqSuajoPnF
Malware Config
Signatures
-
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/bea95bebec95e0893a845f62e832d7cf.exe.ViR unpack002/$TEMP/mcwsazmq.exe -
NSIS installer 2 IoCs
resource yara_rule static1/unpack001/bea95bebec95e0893a845f62e832d7cf.exe.ViR nsis_installer_1 static1/unpack001/bea95bebec95e0893a845f62e832d7cf.exe.ViR nsis_installer_2
Files
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9c6a1317b6ddf6c11ec34f3e3240b3c7.bin.zip
Password: infected
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bea95bebec95e0893a845f62e832d7cf.exe.ViR.exe windows:4 windows x86 arch:x86
Password: infected
7fa974366048f9c551ef45714595665e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
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
kernel32
CompareFileTime
SearchPathA
GetShortPathNameA
GetFullPathNameA
MoveFileA
SetCurrentDirectoryA
GetFileAttributesA
GetLastError
CreateDirectoryA
SetFileAttributesA
Sleep
GetTickCount
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
GetWindowsDirectoryA
SetFileTime
GetCommandLineA
SetErrorMode
LoadLibraryA
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
CreateProcessA
RemoveDirectoryA
CreateFileA
GetTempFileNameA
lstrlenA
lstrcatA
GetSystemDirectoryA
GetVersion
CloseHandle
lstrcmpiA
lstrcmpA
ExpandEnvironmentStringsA
GlobalFree
GlobalAlloc
WaitForSingleObject
GetExitCodeProcess
GetModuleHandleA
LoadLibraryExA
GetProcAddress
FreeLibrary
MultiByteToWideChar
WritePrivateProfileStringA
GetPrivateProfileStringA
WriteFile
ReadFile
MulDiv
SetFilePointer
FindClose
FindNextFileA
FindFirstFileA
DeleteFileA
GetTempPathA
user32
EndDialog
ScreenToClient
GetWindowRect
EnableMenuItem
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
RegisterClassA
TrackPopupMenu
AppendMenuA
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
DestroyWindow
CreateDialogParamA
SetTimer
SetWindowTextA
PostQuitMessage
SetForegroundWindow
wsprintfA
SendMessageTimeoutA
FindWindowExA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
OpenClipboard
ExitWindowsEx
IsWindow
GetDlgItem
SetWindowLongA
LoadImageA
GetDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
DrawTextA
EndPaint
ShowWindow
gdi32
SetBkColor
GetDeviceCaps
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor
SelectObject
shell32
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA
SHGetSpecialFolderLocation
advapi32
RegQueryValueExA
RegSetValueExA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA
comctl32
ImageList_AddMasked
ImageList_Destroy
ord17
ImageList_Create
ole32
CoTaskMemFree
OleInitialize
OleUninitialize
CoCreateInstance
version
GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA
Sections
.text Size: 23KB - Virtual size: 23KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 151KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ndata Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
-
$TEMP/mcwsazmq.exe.exe windows:4 windows x86 arch:x86
Password: infected
bb2c8eb3054ba7f3e7e488a127249ddc
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm60
_CIcos
_adj_fptan
__vbaFreeVar
ord589
__vbaFreeVarList
_adj_fdiv_m64
_adj_fprem1
__vbaSetSystemError
_adj_fdiv_m32
ord594
__vbaObjSet
_adj_fdiv_m16i
_adj_fdivr_m16i
_CIsin
__vbaChkstk
EVENT_SINK_AddRef
__vbaCyI2
DllFunctionCall
ord673
_adj_fpatan
ord675
__vbaRedim
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
_adj_fprem
_adj_fdivr_m64
ord714
__vbaFPException
_CIlog
ord539
_adj_fdiv_m32i
_adj_fdivr_m32i
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaAryLock
__vbaFpI4
_CIatan
_allmul
_CItan
__vbaUI1Var
__vbaAryUnlock
_CIexp
__vbaFreeObj
ord581
Sections
.text Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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$TEMP/setup.dat