Static task
static1
Behavioral task
behavioral1
Sample
Update.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Update.exe
Resource
win10v2004-20230915-en
General
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Target
Update.txt
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Size
164KB
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MD5
6b8a2e6c75a58550d3b7d4b09d3604e1
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SHA1
af6668c93f497694e5ed6d7ea59445f60cde31a0
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SHA256
11df6b403ee5a2e308eff2382fe7ec896a087d14bbee47ed8a02c0a4d940bccf
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SHA512
f94eb324d0f794db13aeaed0136908e4a02a4dc34ffc2bdb6f84365ac0038e02b254e1cf61b933562ec60f245080d0c7a9bafad2869e7b23c6671e6b1e4e9303
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SSDEEP
3072:aT2xNfzEmPUac0yCRS9EK0TLmmIhIsY33Trsl1RGS6KSIH6hUNYZFF:OkPpe0mmIt+3crcrh8Mn
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Update.txt
Files
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Update.txt.exe windows:4 windows x86
7d4588a0360de272d80911753da6f782
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
version
VerQueryValueA
GetFileVersionInfoSizeA
GetFileVersionInfoA
kernel32
GetFileAttributesA
lstrcmpA
GlobalLock
DefineDosDeviceW
GetSystemDirectoryA
IsDBCSLeadByte
SetConsoleMenuClose
SetConsoleTextAttribute
GetSystemDefaultUILanguage
lstrcpyA
_lopen
lstrlenA
GetWindowsDirectoryA
CreateDirectoryA
_lclose
ExitThread
FindFirstFileA
LocalFree
lstrcatA
CompareFileTime
GetShortPathNameA
ExpandEnvironmentStringsA
UnhandledExceptionFilter
GetCurrentProcess
WritePrivateProfileStringA
GetPrivateProfileIntA
RemoveDirectoryA
GlobalAlloc
lstrcatA
SetFileAttributesA
lstrcpyW
GetModuleFileNameA
GetComputerNameExW
DeleteFileA
FindNextFileA
GlobalUnlock
SearchPathA
GetProcAddress
lstrcmpiA
GetLogicalDrives
GetPrivateProfileStringA
FindClose
OutputDebugStringW
_llseek
gdi32
GetDeviceCaps
user32
LoadStringA
GetSystemMetrics
MessageBeep
SetDlgItemTextA
GetDesktopWindow
EndDialog
Sections
.text Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 4KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rdata Size: 148KB - Virtual size: 148KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE