Static task
static1
Behavioral task
behavioral1
Sample
posti_.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
posti_.exe
Resource
win10v2004-20231222-en
General
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Target
8cdeed5974304f1dd42c818ee412937d
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Size
75KB
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MD5
8cdeed5974304f1dd42c818ee412937d
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SHA1
9a6be0b5ccd55e2f6b3759203baf535ae5db1875
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SHA256
53a23aa00ba029fec3053fda0c39df7bf684cad1e4eb94524ec4de4dd98178d2
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SHA512
1b1bb4839f03d1ba317c57e8ac7c1b60546b7edff4b2738dc8988ba108feff6e88defa8a96d3269503e65c88a27ef6b157bed6eeff85b9df16224d80c31a8c48
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SSDEEP
1536:/rwAHmbabMaXRdOptvPCI6Tp4K0pKNmmmCjjgHbBlDe:TVIaMPCtx0pKkKk77S
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/posti_.exe
Files
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8cdeed5974304f1dd42c818ee412937d.cab
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posti_.exe.exe windows:4 windows x86 arch:x86
f7c2d0d966ff66c8aa6df28bf5a2d897
Headers
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
kernel32
LoadLibraryA
GetProcAddress
GetModuleHandleA
lstrcmpA
GetTickCount
RtlUnwind
HeapFree
HeapAlloc
GetCommandLineA
GetVersion
ExitProcess
HeapDestroy
HeapCreate
VirtualFree
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
VirtualAlloc
HeapReAlloc
InterlockedDecrement
InterlockedIncrement
GetCurrentThreadId
TlsSetValue
TlsAlloc
SetLastError
TlsGetValue
GetLastError
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
GetModuleFileNameA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
WriteFile
SetFilePointer
MultiByteToWideChar
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
GetCPInfo
GetACP
GetOEMCP
SetStdHandle
FlushFileBuffers
CloseHandle
Sections
.text Size: 36KB - Virtual size: 34KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 52KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ