Behavioral task
behavioral1
Sample
HEUR-Trojan.Win32.Zenpak.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
HEUR-Trojan.Win32.Zenpak.exe
Resource
win10v2004-20240226-en
General
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Target
HEUR-Trojan.Win32.Zenpak.gen-19d5376a3b2c05ec4a9bad6fc359e15ecfd93478b1760c2ce8e4bd7c050a8f8b
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Size
1.8MB
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MD5
916864d695751c1100cff61774625777
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SHA1
e4d53475fa0d37df054ac0d7d2b6e3df667e066e
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SHA256
19d5376a3b2c05ec4a9bad6fc359e15ecfd93478b1760c2ce8e4bd7c050a8f8b
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SHA512
5026a5e2a72fffedc1a867f44ae3485a55fab891c22ce94451244d9e0dabc776d6a31f975c7c351884a8f9e6dcf158df0692d0d8f8ba933d262137131c85a341
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SSDEEP
24576:vBwlYBsawlYBsawlYBsawlYBsawlYBsawlYBsp:Y
Malware Config
Signatures
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Sakula family
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Sakula payload 1 IoCs
resource yara_rule sample family_sakula -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource HEUR-Trojan.Win32.Zenpak.gen-19d5376a3b2c05ec4a9bad6fc359e15ecfd93478b1760c2ce8e4bd7c050a8f8b
Files
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HEUR-Trojan.Win32.Zenpak.gen-19d5376a3b2c05ec4a9bad6fc359e15ecfd93478b1760c2ce8e4bd7c050a8f8b.exe windows:5 windows x86 arch:x86
4511896d043677e4ab4578dc5bcab5a0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
Imports
kernel32
GetCurrentThread
VirtualFree
ExpandEnvironmentStringsA
WriteFile
OpenProcess
WideCharToMultiByte
GetVolumeInformationA
Sleep
SizeofResource
CreateProcessA
TerminateProcess
ReadFile
GetSystemDirectoryA
MultiByteToWideChar
GetTickCount
CreateDirectoryA
GetStartupInfoA
FindFirstFileA
GetLastError
VirtualAlloc
FindClose
LockResource
CreatePipe
GetModuleFileNameA
GetVersionExA
WinExec
CloseHandle
GetCurrentProcessId
GetTempPathA
GetCurrentProcess
LoadResource
PeekNamedPipe
SetFilePointer
SetPriorityClass
FindResourceA
GetFileSize
CreateFileA
GetComputerNameA
SetThreadPriority
ExitProcess
GetProcessHeap
SetEndOfFile
GetStringTypeW
GetStringTypeA
GetModuleHandleW
GetProcAddress
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
GetCommandLineA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetStdHandle
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
LoadLibraryA
InitializeCriticalSectionAndSpinCount
HeapCreate
HeapReAlloc
RtlUnwind
GetConsoleCP
GetConsoleMode
SetHandleCount
GetFileType
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapSize
GetLocaleInfoA
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
FlushFileBuffers
LCMapStringA
LCMapStringW
advapi32
RegOpenKeyA
GetUserNameA
FreeSid
AllocateAndInitializeSid
RegDeleteKeyA
EqualSid
RegSetValueExA
GetTokenInformation
OpenProcessToken
RegCloseKey
shell32
SHChangeNotify
ord680
ShellExecuteA
wininet
HttpOpenRequestA
InternetOpenUrlA
HttpSendRequestA
InternetOpenA
InternetCloseHandle
InternetConnectA
InternetReadFile
Sections
.text Size: 55KB - Virtual size: 55KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 6KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE