Static task
static1
Behavioral task
behavioral1
Sample
Trojan-Ransom.Win32.Blocker.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Trojan-Ransom.Win32.Blocker.exe
Resource
win10v2004-20230220-en
General
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Target
Trojan-Ransom.Win32.Blocker.jsun-64a7cf0a5c8c4eebd1e2d96c2877623183520afd0e467fc6932664f550597554
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Size
87KB
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MD5
ab68413f9685bfac416520b220b4e49b
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SHA1
adf4e3925c2965be9487659ca606a86b61951093
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SHA256
64a7cf0a5c8c4eebd1e2d96c2877623183520afd0e467fc6932664f550597554
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SHA512
002367ee8785d25736240173f034ce240a601c2b53ed7a0af9be311c739ad887233e159cf1e8ffa5f9f6aed9e4e2e6139489b28e3468f9c556a04c1b1a64e84c
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SSDEEP
1536:VjnRGW/IqP2IHef6RkkkkCu2i6CrKbbWaDsPuHVPICaSaB:5nk5ceCcuuTHMEVP7aB
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Trojan-Ransom.Win32.Blocker.jsun-64a7cf0a5c8c4eebd1e2d96c2877623183520afd0e467fc6932664f550597554
Files
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Trojan-Ransom.Win32.Blocker.jsun-64a7cf0a5c8c4eebd1e2d96c2877623183520afd0e467fc6932664f550597554.exe windows x86
766de6bcdb6aa8af20f85493447ff268
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
lstrcmpiW
WriteProfileStringW
DeleteCriticalSection
UnhandledExceptionFilter
GetFileSize
InitializeCriticalSection
WriteFileEx
HeapReAlloc
GetStringTypeW
GlobalLock
DeleteFileA
GetFileInformationByHandle
LockResource
SearchPathA
SleepEx
GetStdHandle
GetStartupInfoA
SizeofResource
EnumSystemLocalesA
GetACP
GetDriveTypeA
GetFileAttributesW
LoadLibraryExW
lstrcatW
VirtualAlloc
MoveFileW
LoadResource
GetCurrentThread
FindResourceA
OpenJobObjectW
LoadLibraryExA
CreateFileMappingA
GetStringTypeA
LCMapStringW
MultiByteToWideChar
LCMapStringA
HeapSize
RtlUnwind
HeapAlloc
IsValidCodePage
GetOEMCP
LoadLibraryA
IsDebuggerPresent
GetCurrentProcess
TerminateProcess
EnterCriticalSection
LeaveCriticalSection
GetSystemTimeAsFileTime
GetTickCount
QueryPerformanceCounter
HeapFree
VirtualFree
GetEnvironmentStrings
GetLocaleInfoA
InitializeCriticalSectionAndSpinCount
LocalReAlloc
GetCPInfo
TlsSetValue
DeleteFileW
CreateFileA
RaiseException
GetCommConfig
DisableThreadLibraryCalls
GlobalDeleteAtom
DefineDosDeviceA
FindAtomW
DeviceIoControl
GetModuleHandleA
GetHandleInformation
GetCurrentActCtx
DebugSetProcessKillOnExit
EraseTape
CreateMutexA
GetCurrentProcessId
GetProcAddress
lstrcpynA
lstrlenA
HeapCreate
InterlockedDecrement
GetCommandLineA
SetUnhandledExceptionFilter
GetModuleHandleW
Sleep
ExitProcess
WriteFile
GetModuleFileNameA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetLastError
GetEnvironmentStringsW
SetHandleCount
GetFileType
TlsGetValue
TlsAlloc
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
user32
PostMessageW
KillTimer
SendDlgItemMessageA
GetMenu
UnhookWinEvent
CheckRadioButton
ReleaseDC
TranslateAcceleratorA
DispatchMessageA
wsprintfW
EnableWindow
GetMenuItemCount
CloseClipboard
GetWindowRect
SendMessageA
LoadStringW
DeleteMenu
LoadIconA
CallWindowProcA
GetDlgItemTextW
DrawTextA
GetDlgItem
TranslateMessage
GetSysColor
IsChild
GetWindowLongW
GetWindowTextA
GetKeyboardLayout
OpenClipboard
GetCursorPos
SetCursorPos
ChildWindowFromPoint
gdi32
EnumFontsW
ExtTextOutA
GetObjectA
SetBkMode
SelectObject
CreateSolidBrush
TextOutA
LPtoDP
comdlg32
GetFileTitleW
ChooseColorA
ChooseFontA
GetSaveFileNameA
PrintDlgA
ReplaceTextW
PrintDlgExW
advapi32
QueryServiceStatus
RegOpenKeyExA
OpenSCManagerA
RegQueryValueExW
RegDeleteValueA
CreateServiceA
RegDeleteKeyA
RegOpenKeyA
shell32
Shell_NotifyIconA
DragFinish
Sections
.text Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 9KB
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: 41KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ