Static task
static1
Behavioral task
behavioral1
Sample
client.exe
Resource
win7-20230831-en
General
-
Target
664c6c7d68f81fc3bf7ad13b7290df0d456d7efc00a8d33a72ff9e44232edd70_JC.zip
-
Size
150KB
-
MD5
93e85368e30ba51c5ae96c7faca70cad
-
SHA1
11fc0136e643fa3f5fd39a77f69c6bef0f452482
-
SHA256
664c6c7d68f81fc3bf7ad13b7290df0d456d7efc00a8d33a72ff9e44232edd70
-
SHA512
4f992128c4c96772311d04f2b14d2ffba90692534e14e1d3e03dcaff574f36db7bd78aaef7a9cb83cc5c1e5e8e58e27f72adbe8bac475b5008203f580b1307c0
-
SSDEEP
3072:QCifyzbah6P61Zeq7wSlvHbfR2+nrODOqFo67UFMQBztzlvWp+HrCs7D3z4:Mfyzmh6P61X7xHF2+CDOq5UqyWQrG
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/client.exe
Files
-
664c6c7d68f81fc3bf7ad13b7290df0d456d7efc00a8d33a72ff9e44232edd70_JC.zip.zip
-
client.exe.exe windows:5 windows x86
c2a83ca8344e84c2d8651b169323028d
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetLogicalDriveStringsW
GetSystemWindowsDirectoryW
WriteConsoleInputA
OpenSemaphoreA
FreeEnvironmentStringsA
GetModuleHandleW
GetTickCount
GetNumberFormatA
ReadConsoleW
GetGeoInfoW
GetDateFormatA
GetThreadSelectorEntry
AssignProcessToJobObject
SizeofResource
SetVolumeMountPointA
GetProcessHandleCount
HeapCreate
TransactNamedPipe
FindNextVolumeW
GetFileAttributesW
IsDBCSLeadByte
CreateFileW
GetACP
GetLastError
SetLastError
BackupRead
InterlockedDecrement
VirtualAlloc
GetTempFileNameA
LoadLibraryA
InterlockedExchangeAdd
OpenWaitableTimerW
WritePrivateProfileStringA
CreateHardLinkW
AddAtomW
BeginUpdateResourceA
SetConsoleWindowInfo
GetCommMask
OpenJobObjectW
FoldStringW
CreatePipe
FindNextFileA
GetShortPathNameW
FindFirstVolumeA
ReadConsoleOutputCharacterW
LocalFileTimeToFileTime
GetProcessHeap
SetEndOfFile
VirtualQuery
EnumResourceNamesW
GetProcAddress
DebugActiveProcess
HeapFree
Sleep
ExitProcess
GetCommandLineA
GetStartupInfoA
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
RaiseException
VirtualFree
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapReAlloc
SetHandleCount
GetStdHandle
GetFileType
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
GetCurrentThreadId
HeapSize
RtlUnwind
MultiByteToWideChar
ReadFile
WriteFile
GetModuleFileNameA
InitializeCriticalSectionAndSpinCount
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetModuleHandleA
SetFilePointer
GetConsoleCP
GetConsoleMode
GetCPInfo
GetOEMCP
IsValidCodePage
CloseHandle
CreateFileA
SetStdHandle
GetLocaleInfoA
FlushFileBuffers
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
user32
ChangeDisplaySettingsW
LoadMenuA
GetClassInfoExW
GetScrollInfo
CharToOemBuffW
GetMessageExtraInfo
gdi32
SetColorAdjustment
advapi32
InitiateSystemShutdownA
SetKernelObjectSecurity
Sections
.text Size: 162KB - Virtual size: 162KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 28KB - Virtual size: 71KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 45KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ