Static task
static1
Behavioral task
behavioral1
Sample
sklauncher-2.8.exe
Resource
win7-20230220-es
Behavioral task
behavioral2
Sample
sklauncher-2.8.exe
Resource
win10-20230220-es
Behavioral task
behavioral3
Sample
sklauncher-2.8.exe
Resource
win10v2004-20230220-es
General
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Target
sklauncher-2.8.exe
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Size
2.9MB
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MD5
1912147b702e3fb69dcb697f050fc08d
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SHA1
af3650e3bced91a94602506cf574da15ae26d8ef
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SHA256
64cd424ac3969f7b6cc24d0270a25a08358e11bc21bac9092d69bcb8d62d1b05
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SHA512
0d07b6916c943a22d6d2e6794eabc8d280bd1d0c8127c52af35254cfb20446b6707d26c3b7153f3aec2a69561a1379cd7efbb87d22eed2bf2ef7c489c42af93d
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SSDEEP
49152:crFOM/AKaX7FlvSZLsvPEVus6xNPJJaFtVw7RXFFFdVV9XLI0HPyBdmA+x1M0XLJ:AFOM/IF1SZEYudNxJalw7RXFdz9bIXyl
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource sklauncher-2.8.exe
Files
-
sklauncher-2.8.exe.exe windows x86
6011984d7c1f1b97a34d7517a498bff8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
advapi32
RegCloseKey
RegEnumKeyExA
RegOpenKeyExA
RegQueryValueExA
kernel32
CloseHandle
CreateMutexA
CreateProcessA
ExitProcess
FindResourceExA
FormatMessageA
GetCommandLineA
GetCurrentDirectoryA
GetCurrentProcess
GetEnvironmentVariableA
GetExitCodeProcess
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GetStartupInfoA
GlobalMemoryStatusEx
LoadResource
LocalFree
LockResource
SetEnvironmentVariableA
SetLastError
SetUnhandledExceptionFilter
WaitForSingleObject
msvcrt
__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_chdir
_close
_findclose
_findfirst
_findnext
_iob
_itoa
_onexit
_open
_read
_setmode
_stat
atexit
atoi
fclose
fopen
fprintf
fwrite
memset
printf
puts
signal
strcat
strchr
strcmp
strcpy
strlen
strncat
strncpy
strpbrk
strrchr
strstr
strtok
shell32
ShellExecuteA
user32
CreateWindowExA
DispatchMessageA
EnumWindows
FindWindowExA
GetMessageA
GetSystemMetrics
GetWindowLongA
GetWindowRect
GetWindowTextA
GetWindowThreadProcessId
KillTimer
LoadImageA
MessageBoxA
PostQuitMessage
SendMessageA
SetForegroundWindow
SetTimer
SetWindowPos
ShowWindow
TranslateMessage
UpdateWindow
Sections
.text Size: 23KB - Virtual size: 23KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 64B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 35KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 366KB - Virtual size: 365KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE