Behavioral task
behavioral1
Sample
87d06905f2500890a9570349d0fa41b5_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
87d06905f2500890a9570349d0fa41b5_JC.exe
Resource
win10v2004-20230915-en
General
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Target
87d06905f2500890a9570349d0fa41b5_JC.exe
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Size
212KB
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MD5
87d06905f2500890a9570349d0fa41b5
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SHA1
0e168a8d31675dc74e94151b49d41ff0a15edfe9
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SHA256
250aa08ddde94ec8b7c23cbeee5e0fc58f4ff5e54fb04b9fe28bac1fadabfa2b
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SHA512
c01f7c5d88b76140a8cac9b4be71eb436f6d1bede1d7386a4fff3a9ebcb59b88e7768cd591af19d6c70c3551af25488f408ba00f6816b0ab977810bed3fc6a69
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SSDEEP
1536:6QFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+Zhz30rtr8gjXjp0FanB8:x29DkEGRQixVSjLF530BYgjXjpvnB8
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 1 IoCs
resource yara_rule sample family_sakula -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 87d06905f2500890a9570349d0fa41b5_JC.exe
Files
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87d06905f2500890a9570349d0fa41b5_JC.exe.exe windows:5 windows x86
4511896d043677e4ab4578dc5bcab5a0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
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
UPX0 Size: 92KB - Virtual size: 92KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 72KB - Virtual size: 72KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE