Static task
static1
Behavioral task
behavioral1
Sample
Gabcus_installer_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Gabcus_installer_JC.exe
Resource
win10v2004-20230915-en
General
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Target
Gabcus_installer_JC.exe
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Size
77.5MB
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MD5
b86bb8e19fe0e460b5de19f531172eb5
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SHA1
008783a7c653f692ca29b7b7d1e0d427e269105d
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SHA256
a1316ec8a0ef27e8fbe68470668034b48b82006b1ca180fe17a1a1fdb20cb9f9
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SHA512
f06671c002f8b1e63a80905b6ba739be312f0a4536a82f9b3f8ce5289574a3fc675ced003c9f470567b1995e9491a16d79488b8366e77ed467a00b50ea489d6c
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SSDEEP
1572864:/qn1Gt35q2qwqDLS3KKFKxqM1gBJEmcdthI9WTgzxs9BMm/N:/qn1GtpqMqDW67xZgJcd/E1hmF
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Gabcus_installer_JC.exe
Files
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Gabcus_installer_JC.exe.exe windows:5 windows x86
d619eda1a774da262071361b928bb2e4
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
LoadLibraryA
lstrcpyA
lstrcatA
lstrlenA
GetSystemDirectoryA
GetProcAddress
GetModuleHandleA
_lclose
GetModuleFileNameA
_lread
_llseek
_lopen
_lwrite
_lcreat
CreateDirectoryA
SetCurrentDirectoryA
GetDiskFreeSpaceA
GetFileAttributesA
CompareStringA
DeleteFileA
GetTempPathA
GetCurrentDirectoryA
CloseHandle
GetExitCodeProcess
GetLastError
LocalFree
GetCurrentProcess
MoveFileExA
GetStringTypeW
MultiByteToWideChar
LCMapStringW
HeapReAlloc
RtlUnwind
HeapSize
Sleep
RemoveDirectoryA
FreeLibrary
IsValidCodePage
GetOEMCP
GetModuleHandleW
ExitProcess
DecodePointer
HeapFree
HeapAlloc
GetCommandLineA
HeapSetInformation
GetStartupInfoW
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
EncodePointer
LoadLibraryW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
WriteFile
GetStdHandle
GetModuleFileNameW
IsProcessorFeaturePresent
HeapCreate
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetCPInfo
GetACP
user32
TranslateMessage
DispatchMessageA
PeekMessageA
wsprintfA
LoadCursorA
SetCursor
MessageBoxA
MsgWaitForMultipleObjects
advapi32
GetTokenInformation
OpenProcessToken
shell32
ShellExecuteExA
Sections
.text Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ