Behavioral task
behavioral1
Sample
Freshbuild.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Freshbuild.exe
Resource
win7-20240508-en
Behavioral task
behavioral3
Sample
Freshbuild.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
Freshbuild.exe
Resource
win11-20240611-en
General
-
Target
Freshbuild.exe
-
Size
415KB
-
MD5
07101cac5b9477ba636cd8ca7b9932cb
-
SHA1
59ea7fd9ae6ded8c1b7240a4bf9399b4eb3849f1
-
SHA256
488385cd54d14790b03fa7c7dc997ebea3f7b2a8499e5927eb437a3791102a77
-
SHA512
02240ff51a74966bc31cfcc901105096eb871f588efaa9be1a829b4ee6f245bd9dca37be7e2946ba6315feea75c3dce5f490847250e62081445cd25b0f406887
-
SSDEEP
12288:5fSPtGpmLb84Jjzo6yrBuKuJ+ITOC0Ud:UtGpmf8edykhV0Ud
Malware Config
Extracted
amadey
4.30
4b955f
http://185.172.128.116
-
install_dir
b66a8ae076
-
install_file
Hkbsse.exe
-
strings_key
d0f1609e2fff913c5fc0b879a0d56e06
-
url_paths
/Mb3GvQs8/index.php
Signatures
-
Amadey family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Freshbuild.exe
Files
-
Freshbuild.exe.exe windows:6 windows x86 arch:x86
39e221da42b9cac717741c15ca264eb9
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
GetSystemInfo
CreateThread
GetLocalTime
GetThreadContext
GetProcAddress
VirtualAllocEx
RemoveDirectoryA
CloseHandle
CreateProcessA
CreateDirectoryA
SetThreadContext
SetEndOfFile
DecodePointer
ReadConsoleW
HeapReAlloc
HeapSize
CreateFileA
GetFileAttributesA
GetLastError
GetTempPathA
SetCurrentDirectoryA
Sleep
GetModuleHandleA
ResumeThread
GetComputerNameExW
GetVersionExW
WaitForSingleObject
CreateMutexA
VirtualAlloc
WriteFile
VirtualFree
WriteProcessMemory
GetModuleFileNameA
ReadProcessMemory
ReadFile
GetTimeZoneInformation
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetStringTypeW
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
SetFilePointerEx
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
DeleteFileW
LCMapStringW
CompareStringW
MultiByteToWideChar
HeapAlloc
HeapFree
GetCommandLineW
GetCommandLineA
GetStdHandle
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
PeekNamedPipe
GetFileType
GetFileInformationByHandle
GetDriveTypeW
RaiseException
GetCurrentThreadId
IsProcessorFeaturePresent
QueueUserWorkItem
GetModuleHandleExW
FormatMessageW
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
DeleteCriticalSection
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
SwitchToThread
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetTickCount
GetModuleHandleW
WaitForSingleObjectEx
QueryPerformanceCounter
SetEvent
ResetEvent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
CreateTimerQueue
SignalObjectAndWait
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
EncodePointer
GetCurrentThread
GetThreadTimes
FreeLibrary
FreeLibraryAndExitThread
GetModuleFileNameW
LoadLibraryExW
VirtualProtect
DuplicateHandle
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
LoadLibraryW
RtlUnwind
ExitProcess
CreateFileW
WriteConsoleW
advapi32
RegCloseKey
RegQueryInfoKeyW
RegQueryValueExA
GetSidSubAuthorityCount
GetSidSubAuthority
GetUserNameA
LookupAccountNameA
RegSetValueExA
RegOpenKeyExA
RegEnumValueW
GetSidIdentifierAuthority
shell32
SHGetFolderPathA
ShellExecuteA
ord680
SHFileOperationA
ole32
CoUninitialize
CoCreateInstance
CoInitialize
wininet
HttpOpenRequestA
InternetOpenUrlA
InternetOpenW
InternetOpenA
InternetCloseHandle
HttpSendRequestA
InternetConnectA
InternetReadFile
ws2_32
closesocket
inet_pton
getaddrinfo
WSAStartup
send
socket
connect
recv
htons
freeaddrinfo
Sections
.text Size: 313KB - Virtual size: 312KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 68KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 13KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ