Behavioral task
behavioral1
Sample
2025-03-30_5f4b5197059ca68bbca1f5954e245bf5_amadey_mars-stealer_smoke-loader_stealc.exe
Resource
win7-20240903-en
General
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Target
2025-03-30_5f4b5197059ca68bbca1f5954e245bf5_amadey_mars-stealer_smoke-loader_stealc
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Size
2.1MB
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MD5
5f4b5197059ca68bbca1f5954e245bf5
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SHA1
3300569bb8ec221c39ad07b4aab48ed05c170809
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SHA256
2d9c7f173d21c9061c5725e962e98b3214ec0a4c9999cf89e3676173202d1db2
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SHA512
df7cb0d28592b5c6b76551024aa1630eb8e5a84a2792254942b4fdc099750f98e6634318d48ff39ff676f802ab057f81665baafeefa3011eac2d752f7343a65c
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SSDEEP
3072:xvMLlG8KPgpJSG61doHN4NoQiUukOoymgjOrSGJ8U:xvMhJryZoIohvkOp9OuA8
Malware Config
Signatures
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Stealc family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2025-03-30_5f4b5197059ca68bbca1f5954e245bf5_amadey_mars-stealer_smoke-loader_stealc
Files
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2025-03-30_5f4b5197059ca68bbca1f5954e245bf5_amadey_mars-stealer_smoke-loader_stealc.exe windows:5 windows x86 arch:x86
1ef0d6e4c3554a91026b47d9a27bf6db
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
strncpy
malloc
??_V@YAXPAX@Z
memchr
??_U@YAPAXI@Z
strtok_s
strcpy_s
vsprintf_s
memmove
memcpy
strlen
memset
memcmp
__CxxFrameHandler3
kernel32
GetCurrentThreadId
LocalAlloc
VirtualQueryEx
OpenProcess
ReadProcessMemory
GetLastError
HeapFree
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
EncodePointer
DecodePointer
TerminateProcess
GetCurrentProcess
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
RtlUnwind
TlsGetValue
TlsSetValue
InterlockedIncrement
GetModuleHandleW
SetLastError
InterlockedDecrement
GetProcAddress
ExitProcess
Sleep
WriteFile
GetStdHandle
GetModuleFileNameW
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
LoadLibraryW
HeapAlloc
WideCharToMultiByte
LCMapStringW
MultiByteToWideChar
GetStringTypeW
RaiseException
Sections
.text Size: 100KB - Virtual size: 104KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 28KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 2.0MB - Virtual size: 2.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 8KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ