Behavioral task
behavioral1
Sample
hitomi_downloader_GUI.zip
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
hitomi_downloader_GUI.zip
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
Readme.txt
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
Readme.txt
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
hitomi_downloader_GUI.exe
Resource
win7-20230220-en
General
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Target
hitomi_downloader_GUI.zip
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Size
81.0MB
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MD5
b716d665101f4887d1604a6e1ce4bf8f
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SHA1
c1a30f87e4c7f4fca5e7748fbfc382f772655a36
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SHA256
bd58c5f6860ae1a627337bc3cbc20707e7e935013a5bc8946d7a7dd1f5100671
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SHA512
6ef2661d5251eb4c38a766e9acb139f6564fa4057e1feb93b9fc697c26d8b0b6152af706c5069288b1227c930224d132ffd1f1db7e915907d534d6ee3365ef53
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SSDEEP
1572864:vkVyeZIZdbw3eNo+1StioVcK7ofk24ScvKhjYV5ci44H2PVgGLGeWqPBMY:vkTIZdbwO187VSnhjwVWPVhCqJMY
Malware Config
Signatures
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Detects Pyinstaller 1 IoCs
resource yara_rule static1/unpack001/hitomi_downloader_GUI.exe pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/hitomi_downloader_GUI.exe
Files
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hitomi_downloader_GUI.zip.zip
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Readme.txt
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hitomi_downloader_GUI.exe.exe windows x64
0a5f3787c94b167db4fb0f8a6867f1bc
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
user32
MessageBoxW
MessageBoxA
kernel32
WriteConsoleW
GetLastError
CreateDirectoryW
GetTempPathW
Sleep
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEndOfFile
ExpandEnvironmentStringsW
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
LoadLibraryA
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
SetEnvironmentVariableW
HeapSize
GetProcessHeap
GetStringTypeW
FreeEnvironmentStringsW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
RaiseException
GetCommandLineA
ReadFile
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
CloseHandle
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFileAttributesExW
GetTimeZoneInformation
GetFullPathNameW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapAlloc
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
GetFileSizeEx
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
advapi32
ConvertStringSecurityDescriptorToSecurityDescriptorW
ws2_32
ntohl
rpcrt4
UuidCreate
Sections
.text Size: 135KB - Virtual size: 135KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 63KB - Virtual size: 63KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 148B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 110KB - Virtual size: 110KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ