Behavioral task
behavioral1
Sample
PermLoader/Installer.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PermLoader/Installer.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
PermLoader/PermLoader.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
PermLoader/PermLoader.exe
Resource
win10v2004-20240226-en
General
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Target
47cfe5eb1d6061c7d6f41f6ef3a2a369.bin
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Size
83.8MB
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MD5
47cfe5eb1d6061c7d6f41f6ef3a2a369
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SHA1
6dcc8f6f4c290a75909f28278bfd1b5984a6b5d5
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SHA256
b64d6aa4239bd8f367c13e6259c19203722355762d11431c9c5b10dfab813695
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SHA512
aca76e4ee69329c8484e6347799a16c532aa858a6bf455c9187e64bbd365e1f7d579e7605612cb40372a69e9b428e9dba7678ba23d2ea5731cd521a2ee113255
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SSDEEP
1572864:bnLP1fj1Su701VsO29p/60RvwwmnueJKd18aCymctLH0Oxo5GH+EZ2x2f:7bZjF70e9p/60RoSeM8NQLUJ7cJf
Malware Config
Signatures
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resource yara_rule static1/unpack001/PermLoader/Installer.exe upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/PermLoader/Installer.exe unpack002/out.upx unpack001/PermLoader/PermLoader.exe
Files
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47cfe5eb1d6061c7d6f41f6ef3a2a369.bin.rar
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PermLoader/Installer.exe.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
UPX0 Size: - Virtual size: 228KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 127KB - Virtual size: 128KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 61KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 171KB - Virtual size: 171KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 76KB - Virtual size: 75KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 500B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 61KB - Virtual size: 61KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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PermLoader/PermLoader.exe.exe windows:4 windows x64 arch:x64
f326f88ca83c9aacaa44acfb8884f1d4
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
msvcrt
memset
wcsncmp
memmove
wcsncpy
wcsstr
_wcsnicmp
_wcsdup
free
_wcsicmp
wcslen
wcscpy
wcscmp
wcscat
memcpy
tolower
malloc
kernel32
GetModuleHandleW
HeapCreate
GetStdHandle
SetConsoleCtrlHandler
HeapDestroy
ExitProcess
WriteFile
GetTempFileNameW
LoadLibraryExW
EnumResourceTypesW
FreeLibrary
RemoveDirectoryW
EnumResourceNamesW
GetCommandLineW
LoadResource
SizeofResource
FreeResource
FindResourceW
GetShortPathNameW
GetSystemDirectoryW
EnterCriticalSection
CloseHandle
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
TerminateThread
CreateThread
Sleep
WideCharToMultiByte
HeapAlloc
HeapFree
LoadLibraryW
GetProcAddress
GetCurrentProcessId
GetCurrentThreadId
GetModuleFileNameW
PeekNamedPipe
TerminateProcess
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCurrentProcess
DuplicateHandle
CreatePipe
CreateProcessW
GetExitCodeProcess
RtlLookupFunctionEntry
RtlVirtualUnwind
RemoveVectoredExceptionHandler
AddVectoredExceptionHandler
HeapSize
MultiByteToWideChar
CreateDirectoryW
SetFileAttributesW
GetTempPathW
DeleteFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateFileW
SetFilePointer
TlsFree
TlsGetValue
TlsSetValue
TlsAlloc
HeapReAlloc
DeleteCriticalSection
GetLastError
SetLastError
UnregisterWait
GetCurrentThread
RegisterWaitForSingleObject
shell32
ShellExecuteExW
SHGetFolderLocation
SHGetPathFromIDListW
winmm
timeBeginPeriod
ole32
CoInitialize
CoTaskMemFree
shlwapi
PathAddBackslashW
PathRenameExtensionW
PathQuoteSpacesW
PathRemoveArgsW
PathRemoveBackslashW
user32
CharUpperW
CharLowerW
MessageBoxW
DefWindowProcW
GetWindowLongPtrW
GetWindowTextLengthW
GetWindowTextW
EnableWindow
DestroyWindow
UnregisterClassW
LoadIconW
LoadCursorW
RegisterClassExW
IsWindowEnabled
GetSystemMetrics
CreateWindowExW
SetWindowLongPtrW
SendMessageW
SetFocus
CreateAcceleratorTableW
SetForegroundWindow
BringWindowToTop
GetMessageW
TranslateAcceleratorW
TranslateMessage
DispatchMessageW
DestroyAcceleratorTable
PostMessageW
GetForegroundWindow
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
SetWindowPos
gdi32
GetStockObject
comctl32
InitCommonControlsEx
Sections
.code Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 67KB - Virtual size: 67KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 198KB - Virtual size: 198KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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PermLoader/instructions.txt