Behavioral task
behavioral1
Sample
b191520549a45ea1302dbc0db6320293eddfdf9dba3bfc2f8d9639971d38d9a2.exe
Resource
win7-20240704-en
General
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Target
b191520549a45ea1302dbc0db6320293eddfdf9dba3bfc2f8d9639971d38d9a2
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Size
337KB
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MD5
a321370719be1c4aee16d1db44f22354
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SHA1
24511efb625c988d1ffd0c99b841174cbfae88cf
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SHA256
b191520549a45ea1302dbc0db6320293eddfdf9dba3bfc2f8d9639971d38d9a2
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SHA512
a7e227bf2abd20f76bb4c66459390c7fb76cdefc66bd2053b22622796f5ce2a976ca06c71aea12c2ba9badeae569a577a4f7e31d9aca865c761b8563f845a0e1
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SSDEEP
3072:YZdT4wt3BFgYfc0DV+1BIyLK5jZWlfXXqyYwi8x4Yfc09:cZ9BF1+fIyG5jZkCwi8r
Malware Config
Signatures
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Njrat family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b191520549a45ea1302dbc0db6320293eddfdf9dba3bfc2f8d9639971d38d9a2
Files
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b191520549a45ea1302dbc0db6320293eddfdf9dba3bfc2f8d9639971d38d9a2.exe windows:1 windows x86 arch:x86
0b36fc85e0cb5e337c80982db5210969
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
ole32
CoCreateInstance
CLSIDFromString
CoInitialize
CoUninitialize
oleaut32
SysAllocString
wininet
DeleteUrlCacheEntry
FindFirstUrlCacheEntryA
FindNextUrlCacheEntryA
kernel32
ExitProcess
ExpandEnvironmentStringsA
GetCommandLineA
GetComputerNameA
GetCurrentProcessId
GetCurrentThreadId
GetExitCodeThread
GetFileSize
GetModuleFileNameA
GetModuleHandleA
CloseHandle
GetProcAddress
GetSystemDirectoryA
GetTempPathA
GetTickCount
GetVersion
GetVersionExA
GetWindowsDirectoryA
GlobalMemoryStatus
CopyFileA
InterlockedIncrement
IsBadReadPtr
IsBadWritePtr
LoadLibraryA
LocalAlloc
LocalFree
OpenMutexA
CreateFileA
ReadFile
RtlUnwind
SetFilePointer
CreateMutexA
Sleep
TerminateProcess
VirtualQuery
CreateProcessA
WaitForSingleObject
WideCharToMultiByte
WinExec
WriteFile
lstrlenA
lstrlenW
CreateThread
DeleteFileA
user32
GetWindowTextA
GetWindowRect
FindWindowA
GetWindow
GetClassNameA
SetFocus
GetForegroundWindow
LoadCursorA
LoadIconA
SetTimer
RegisterClassA
MessageBoxA
GetMessageA
GetWindowLongA
SetWindowLongA
CreateDesktopA
SetThreadDesktop
GetThreadDesktop
TranslateMessage
DispatchMessageA
SendMessageA
PostQuitMessage
ShowWindow
CreateWindowExA
DestroyWindow
MoveWindow
DefWindowProcA
CallWindowProcA
gdi32
GetStockObject
SetBkColor
SetTextColor
CreateBrushIndirect
CreateFontA
advapi32
GetUserNameA
RegCreateKeyExA
RegCloseKey
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA
GetSecurityInfo
SetSecurityInfo
SetEntriesInAclA
crtdll
__GetMainArgs
_sleep
_stricmp
atoi
exit
memcpy
memset
printf
raise
rand
signal
sprintf
srand
sscanf
strcat
strchr
strncmp
vsprintf
ntdll
LdrUnloadDll
Sections
.text Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 132KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.fldo Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.l1 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE