Static task
static1
Behavioral task
behavioral1
Sample
PostalReceipt.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
PostalReceipt.exe
Resource
win10v2004-20231215-en
General
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Target
4a0d85e79dd45b4028cc7a3f5ed603aa
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Size
61KB
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MD5
4a0d85e79dd45b4028cc7a3f5ed603aa
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SHA1
dea677f2bebfbb73480b899be2653bbbddf24d26
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SHA256
19db41779aa608970a356766b9df4122cda521320a85938957f7732b9dbf69f0
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SHA512
ac75b64e7623f8004dcaf05ac94bfae57b2f749d8720f8de6307158d8799d3943cdddf52db99c81f9a64cd272a42214619cad57456d8997c106289904c666231
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SSDEEP
768:Dketa8zvu9RTK5oD+7u+pWHTO7X9TB9HvtJtPqdClVLK4wr5XO0IdNkGDlmMoO:YslcRTUwAWzCX9TB9XVuQ0Gsq
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/PostalReceipt.exe
Files
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4a0d85e79dd45b4028cc7a3f5ed603aa.zip
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PostalReceipt.exe.exe windows:5 windows x86 arch:x86
0ca3cd41578646a7c3ff7c9a27939a9c
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
ole32
OleCreateEmbeddingHelper
OleRegEnumFormatEtc
StringFromGUID2
IIDFromString
OleCreateLinkToFileEx
OleGetIconOfFile
CoQueryClientBlanket
kernel32
GetLastError
CreateFileW
WriteConsoleW
CloseHandle
GetCommandLineA
HeapSetInformation
GetStartupInfoW
EnterCriticalSection
LeaveCriticalSection
SetHandleCount
GetStdHandle
InitializeCriticalSectionAndSpinCount
GetFileType
DeleteCriticalSection
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
EncodePointer
DecodePointer
TerminateProcess
GetCurrentProcess
RtlUnwind
GetProcAddress
GetModuleHandleW
ExitProcess
WriteFile
GetModuleFileNameW
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
HeapCreate
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
Sleep
HeapFree
MultiByteToWideChar
ReadFile
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
LoadLibraryW
HeapAlloc
HeapReAlloc
GetConsoleCP
GetConsoleMode
FlushFileBuffers
SetFilePointer
SetStdHandle
IsProcessorFeaturePresent
LCMapStringW
GetStringTypeW
HeapSize
Sections
.text Size: 31KB - Virtual size: 30KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ