Static task
static1
Behavioral task
behavioral1
Sample
83ef950cb9a631795b05e561669d7373_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
83ef950cb9a631795b05e561669d7373_JC.exe
Resource
win10v2004-20230915-en
General
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Target
83ef950cb9a631795b05e561669d7373_JC.exe
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Size
273KB
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MD5
83ef950cb9a631795b05e561669d7373
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SHA1
d8333ccdef80d39080e0f0d6505a80b200cd659e
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SHA256
7251686694f3640a1f8416e94453233cfdcf25d6012e1ffb88aaa9cd71ff58a2
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SHA512
15908c11e730d4584e1c6c295b2797e6f7c7f7047bcab00f948d8c4fe5134033df358a30f8bbb09eb3100c12da9bd8f99ffef70e3afcb3a0d850dbd10c1c9add
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SSDEEP
3072:I7vHbtGXRvjxCb5NgXDY7uSlkJcUa7kYQTcqW2NdQQGH/UDhSCUc4aqTB3Rt3gmI:0clKgzelZNQSBQGH/CSpWqTGmQ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 83ef950cb9a631795b05e561669d7373_JC.exe
Files
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83ef950cb9a631795b05e561669d7373_JC.exe.exe windows:4 windows x86
b6096454c0b0666c7e487d2e3e0cbf92
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CreateFileA
GetFileSize
FindResourceA
SetFilePointer
FreeLibrary
LoadResource
UpdateResourceA
SetFileTime
WriteFile
GetDriveTypeA
SizeofResource
GetFileAttributesA
ReadFile
MultiByteToWideChar
FindFirstFileA
GetLastError
CopyFileA
SetFileAttributesA
FindClose
LockResource
BeginUpdateResourceA
GetModuleFileNameA
FindNextFileA
LoadLibraryExA
EnumResourceNamesA
GetFileTime
EndUpdateResourceA
WinExec
CloseHandle
DeleteFileA
CompareStringW
CompareStringA
FlushFileBuffers
GetTimeFormatA
GetDateFormatA
GetSystemTimeAsFileTime
GetCommandLineA
HeapFree
GetVersionExA
HeapAlloc
GetProcessHeap
GetStartupInfoA
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetProcAddress
GetModuleHandleA
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetCPInfo
GetACP
GetOEMCP
Sleep
WideCharToMultiByte
GetTimeZoneInformation
RaiseException
ExitProcess
GetStdHandle
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
GetFileType
DeleteCriticalSection
HeapDestroy
HeapCreate
VirtualFree
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetConsoleCP
GetConsoleMode
EnterCriticalSection
LeaveCriticalSection
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
VirtualAlloc
HeapReAlloc
HeapSize
LoadLibraryA
InitializeCriticalSection
RtlUnwind
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
SetEnvironmentVariableA
ole32
CoUninitialize
CoCreateInstance
CoInitialize
rpcrt4
RpcMgmtEpUnregister
Sections
.text Size: 52KB - Virtual size: 49KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 140KB - Virtual size: 146KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rmnet Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.l1 Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.l2 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ