Behavioral task
behavioral1
Sample
HEUR-Trojan.Win32.Chapak.gen-774ae4107d461361.exe
Resource
win7-20230220-en
General
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Target
HEUR-Trojan.Win32.Chapak.gen-774ae4107d461361.exe
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Size
776KB
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MD5
4b57ab30e2ecf878c6d980369432f957
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SHA1
356038e8406ceb627969f0b6e5156f5ab5fe6c1b
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SHA256
774ae4107d461361d672eb14e89dd4aec312cc1b880e7b24c0cbad40c774c0ce
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SHA512
40763ba59b673f8ddd9c786c466679f2f41ca74448bf96e14e348a2348df5e842daab74b67661f3088ee0804b416962f642f804808ba44d268b44f6176297475
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SSDEEP
12288:yyxALG6QhsYuu2Gjhqb7/JqNUn+URYbH3WMNCTPDAJK:yyxEWtqb7ANUn+9brNC/AJK
Malware Config
Extracted
privateloader
http://37.0.10.214/proxies.txt
http://37.0.10.244/server.txt
pastebin.com/raw/A7dSG1te
http://wfsdragon.ru/api/setStats.php
31.210.20.251
Signatures
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Privateloader family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource HEUR-Trojan.Win32.Chapak.gen-774ae4107d461361.exe
Files
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HEUR-Trojan.Win32.Chapak.gen-774ae4107d461361.exe.exe windows x86
562361e739955c76ea1b133a50897c7a
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
kernel32
ReadFile
SetPriorityClass
lstrcatA
GetModuleHandleA
SetCurrentDirectoryA
GetModuleHandleExA
CreateFileA
lstrcpyA
CloseHandle
GetFileSize
GetLastError
GetProcAddress
HeapFree
WriteFile
lstrlenA
lstrcpynA
GetProcessHeap
WriteConsoleW
QueryPerformanceCounter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
GetCurrentProcess
TerminateProcess
RaiseException
RtlUnwind
FreeLibrary
LoadLibraryExW
EncodePointer
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
SetFilePointerEx
GetFileType
HeapAlloc
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
GetConsoleMode
FlushFileBuffers
GetConsoleOutputCP
HeapSize
HeapReAlloc
CreateFileW
DecodePointer
Sections
.text Size: 126KB - Virtual size: 125KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 26KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 614KB - Virtual size: 613KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ