Behavioral task
behavioral1
Sample
7a838756a3ad9d86a5355a967427a2a9.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
7a838756a3ad9d86a5355a967427a2a9.exe
Resource
win10v2004-20231222-en
General
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Target
7a838756a3ad9d86a5355a967427a2a9
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Size
140KB
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MD5
7a838756a3ad9d86a5355a967427a2a9
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SHA1
c6102be2e7962fa697af47034e0682149889a731
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SHA256
73076b0a171ade1a1974dd01ff58fdbd45804dd8382883cccb0fc1bc87bc5f5a
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SHA512
678861e96257e57e5b69001c12d4dfc62776e7917f100576b05d8efef5e857dc06fb8bf8985d8b119ff08577eda8b58f8f9a49d645abb7597b67f0d4b457fb44
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SSDEEP
3072:4STeONBjST1Kok3+3ci83IggY8unXkNfa9:4SBvjiK53OmYK0
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 7a838756a3ad9d86a5355a967427a2a9
Files
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7a838756a3ad9d86a5355a967427a2a9.exe windows:4 windows x86 arch:x86
603ddd4a271233ff3c68307d303c9241
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
WriteFile
WinExec
WaitForSingleObject
VirtualQuery
SizeofResource
SetFilePointer
SetEvent
SetEndOfFile
ResetEvent
ReadFile
LockResource
LoadResource
LeaveCriticalSection
InitializeCriticalSection
GetVersionExA
GetThreadLocale
GetTempPathA
GetStdHandle
GetProcAddress
GetModuleHandleA
GetModuleFileNameA
GetLocaleInfoA
GetLocalTime
GetLastError
GetFullPathNameA
GetDiskFreeSpaceA
GetDateFormatA
GetCurrentThreadId
GetCPInfo
FreeResource
FreeLibrary
FormatMessageA
FindResourceA
EnumCalendarInfoA
EnterCriticalSection
DeleteCriticalSection
CreateFileA
CreateEventA
CompareStringA
CloseHandle
Sleep
GetACP
Sleep
VirtualFree
VirtualAlloc
GetCurrentThreadId
InterlockedDecrement
InterlockedIncrement
VirtualQuery
WideCharToMultiByte
MultiByteToWideChar
lstrlenA
lstrcpynA
LoadLibraryExA
GetThreadLocale
GetStartupInfoA
GetProcAddress
GetModuleHandleA
GetModuleFileNameA
GetLocaleInfoA
GetCommandLineA
FreeLibrary
FindFirstFileA
FindClose
ExitProcess
WriteFile
UnhandledExceptionFilter
RtlUnwind
RaiseException
GetStdHandle
TlsSetValue
TlsGetValue
LocalAlloc
GetModuleHandleA
advapi32
RegQueryValueExA
RegOpenKeyExA
RegCloseKey
oleaut32
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayCreate
VariantChangeType
VariantCopy
VariantClear
VariantInit
SysFreeString
SysReAllocStringLen
SysAllocStringLen
user32
GetKeyboardType
DestroyWindow
LoadStringA
MessageBoxA
CharNextA
MessageBoxA
LoadStringA
GetSystemMetrics
CharNextA
CharToOemA
Sections
UPX0 Size: 136KB - Virtual size: 136KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.avc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE