Behavioral task
behavioral1
Sample
112fdf98ed3604a9d8728e145d43ae5c51833d25ae6c953d87e994ccdc9659c8.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
112fdf98ed3604a9d8728e145d43ae5c51833d25ae6c953d87e994ccdc9659c8.exe
Resource
win10v2004-20240508-en
General
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Target
112fdf98ed3604a9d8728e145d43ae5c51833d25ae6c953d87e994ccdc9659c8.exe
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Size
2.3MB
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MD5
ea68f8588a77f61a69b16ac47e6ca65d
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SHA1
3889023d693e4b5ba48a2a0b4b1869392e7ac77c
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SHA256
112fdf98ed3604a9d8728e145d43ae5c51833d25ae6c953d87e994ccdc9659c8
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SHA512
6f23de16e0d10a0d622139818fac0eb0f97dccf49e5338f436310df2776d091c05977f8847d1f39b4a0cc6847832ff98491836883a27410704bce98aba9a277b
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SSDEEP
3072:xf8nGHElvZZT+4qXcHvuefUbgtvfYtgJyrjCBUvJ78LtWh78LtWs78LtWCmeF0gq:R8nFlvCxBX2XYKwjUAyfTNN
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 1 IoCs
Processes:
resource yara_rule sample family_vidar_v7 -
Detects Windows executables referencing non-Windows User-Agents 1 IoCs
Processes:
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables containing potential Windows Defender anti-emulation checks 1 IoCs
Processes:
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation -
Stealc family
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Vidar family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 112fdf98ed3604a9d8728e145d43ae5c51833d25ae6c953d87e994ccdc9659c8.exe
Files
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112fdf98ed3604a9d8728e145d43ae5c51833d25ae6c953d87e994ccdc9659c8.exe.exe windows:5 windows x86 arch:x86
a34c7216d6536a950566187b3d5a3285
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
_EH_prolog
__CxxFrameHandler3
memcmp
memchr
strncpy
malloc
_wtoi64
atexit
??_V@YAXPAX@Z
memset
strcpy_s
strtok_s
memmove
strchr
memcpy
strcat
??_U@YAPAXI@Z
wcslen
strlen
kernel32
IsProcessorFeaturePresent
LoadLibraryW
ExitProcess
GetCurrentProcess
HeapAlloc
GetProcessHeap
lstrlenA
HeapFree
ReadProcessMemory
VirtualQueryEx
GetComputerNameA
FileTimeToSystemTime
CloseHandle
WaitForSingleObject
CreateThread
GetDriveTypeA
GetLogicalDriveStringsA
CreateDirectoryA
LoadLibraryA
GetStringTypeW
Sleep
MultiByteToWideChar
LCMapStringW
WideCharToMultiByte
GetModuleFileNameW
GetStdHandle
GetProcAddress
GetCurrentThreadId
SetLastError
GetModuleHandleW
OpenProcess
RaiseException
EncodePointer
GetLastError
DecodePointer
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TerminateProcess
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
RtlUnwind
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
TlsGetValue
TlsSetValue
WriteFile
user32
wsprintfW
CharToOemA
advapi32
RegGetValueA
GetCurrentHwProfileA
RegOpenKeyExA
GetUserNameA
shell32
SHFileOperationA
ole32
CoSetProxyBlanket
CoInitializeSecurity
CoInitializeEx
CoCreateInstance
oleaut32
VariantInit
SysAllocString
SysFreeString
VariantClear
shlwapi
ord155
crypt32
CryptStringToBinaryA
Sections
.text Size: 132KB - Virtual size: 132KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 48KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2.1MB - Virtual size: 2.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ