Static task
static1
Behavioral task
behavioral1
Sample
client.exe
Resource
win7-20230831-en
General
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Target
a4bd5c0347024f93c6d8b532c47ff04e9637a6edab321d2623af41125298f240_JC.zip
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Size
158KB
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MD5
c210475a7cab4c6fd10fcd474ddd00f2
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SHA1
09d8e1de928e78f85c7c57fc591419b900b99121
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SHA256
a4bd5c0347024f93c6d8b532c47ff04e9637a6edab321d2623af41125298f240
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SHA512
efab04b98274bc8f013497d624eec54b7447327464ad6c76bb79e19acda5b56cfc766f61e50e7f9ef3314ea455d5a2dd31257c3e0982d8718d1be99d53c38c5b
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SSDEEP
3072:WtpWiuX76JKRwiVcVKEup96IFDKbC78kViC+/SBtEJVa/PKujPE2v4m:/z+JKSImFODpAkVy/SH6Va/CujP9v
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/client.exe
Files
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a4bd5c0347024f93c6d8b532c47ff04e9637a6edab321d2623af41125298f240_JC.zip.zip
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client.exe.exe windows:5 windows x86
c979a88e8595d029726dd8a9185ca5bc
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
FreeEnvironmentStringsA
GetModuleHandleW
GetTickCount
GetNumberFormatA
ReadConsoleW
GetGeoInfoW
GetDateFormatA
ReadConsoleInputA
GetThreadSelectorEntry
AssignProcessToJobObject
SizeofResource
SetVolumeMountPointA
GetProcessHandleCount
HeapCreate
TransactNamedPipe
GetFileAttributesW
IsDBCSLeadByte
CreateFileW
GetACP
GetLastError
SetLastError
GetProcAddress
VirtualAlloc
BackupWrite
InterlockedDecrement
LoadLibraryA
InterlockedExchangeAdd
OpenWaitableTimerW
WritePrivateProfileStringA
CreateHardLinkW
AddAtomW
BeginUpdateResourceA
SetConsoleWindowInfo
GetCommMask
OpenJobObjectW
FoldStringW
CreatePipe
FindNextFileA
GetShortPathNameW
OpenSemaphoreW
FindFirstVolumeA
FindFirstVolumeW
ReadConsoleOutputCharacterW
LocalFileTimeToFileTime
GetProcessHeap
SetEndOfFile
VirtualQuery
EnumResourceNamesW
GetTempFileNameA
DebugActiveProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
HeapFree
Sleep
ExitProcess
GetCommandLineA
GetStartupInfoA
WriteFile
GetStdHandle
GetModuleFileNameA
TerminateProcess
GetCurrentProcess
IsDebuggerPresent
HeapAlloc
RaiseException
VirtualFree
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapReAlloc
SetHandleCount
GetFileType
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
GetCurrentThreadId
HeapSize
RtlUnwind
MultiByteToWideChar
ReadFile
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: 161KB - Virtual size: 161KB
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: 70KB - Virtual size: 69KB
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