HEUR-Trojan[.]Win32[.]Chapak[.]gen-5bfb87691070668037df7a6bc1eac92bdb683ada3159b83c136146632835cb7f[.]7z[.]zip

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General

Target

HEUR-Trojan.Win32.Chapak.gen-5bfb87691070668037df7a6bc1eac92bdb683ada3159b83c136146632835cb7f.7z.zip
Size

3.9MB
MD5

8ed13f089d925cf4617ceb312737fc8f
SHA1

fe4e51bb772ef9238ec81d9d06b41f58f3f45135
SHA256

133d7bb18c9a7744c68e7c005000c2ca6b923737070447e5bb2bbe6b903ca358
SHA512

7e3e110e6c42d2ba4493e84296d07f6f11ca7f18fce32eeffc2da06b839a756fc3d33fa1a628a1f1c503566d1df85ff055035181e6cc0f74b029d35084b74863
SSDEEP

98304:jz4Tz482Mgq7Jhv+PA5P3lIP4S5vXUwkJ4+:IX482M17JhIIP3lK4evXzkJ4+

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack002/HEUR-Trojan.Win32.Chapak.gen-5bfb87691070668037df7a6bc1eac92bdb683ada3159b83c136146632835cb7f.exe
unpack003/setup_installer.exe

Files

HEUR-Trojan.Win32.Chapak.gen-5bfb87691070668037df7a6bc1eac92bdb683ada3159b83c136146632835cb7f.7z.zip
.zip

Password: infected
HEUR-Trojan.Win32.Chapak.gen-5bfb87691070668037df7a6bc1eac92bdb683ada3159b83c136146632835cb7f.7z
.7z

Password: infected
HEUR-Trojan.Win32.Chapak.gen-5bfb87691070668037df7a6bc1eac92bdb683ada3159b83c136146632835cb7f.exe
.exe windows:4 windows x86 arch:x86

c05041e01f84e1ccca9c4451f3b6a383

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

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

advapi32

RegCreateKeyExW
RegEnumKeyW
RegQueryValueExW
RegSetValueExW
RegCloseKey
RegDeleteValueW
RegDeleteKeyW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
SetFileSecurityW
RegOpenKeyExW
RegEnumValueW

shell32

SHGetSpecialFolderLocation
SHFileOperationW
SHBrowseForFolderW
SHGetPathFromIDListW
ShellExecuteExW
SHGetFileInfoW

ole32

OleInitialize
OleUninitialize
CoCreateInstance
IIDFromString
CoTaskMemFree

comctl32

ord17
ImageList_Create
ImageList_Destroy
ImageList_AddMasked

user32

GetClientRect
EndPaint
DrawTextW
IsWindowEnabled
DispatchMessageW
wsprintfA
CharNextA
CharPrevW
MessageBoxIndirectW
GetDlgItemTextW
SetDlgItemTextW
GetSystemMetrics
FillRect
AppendMenuW
TrackPopupMenu
OpenClipboard
SetClipboardData
CloseClipboard
IsWindowVisible
CallWindowProcW
GetMessagePos
CheckDlgButton
LoadCursorW
SetCursor
GetWindowLongW
GetSysColor
SetWindowPos
PeekMessageW
SetClassLongW
GetSystemMenu
EnableMenuItem
GetWindowRect
ScreenToClient
EndDialog
RegisterClassW
SystemParametersInfoW
CreateWindowExW
GetClassInfoW
DialogBoxParamW
CharNextW
ExitWindowsEx
DestroyWindow
CreateDialogParamW
SetTimer
SetWindowTextW
PostQuitMessage
SetForegroundWindow
ShowWindow
wsprintfW
SendMessageTimeoutW
FindWindowExW
IsWindow
GetDlgItem
SetWindowLongW
LoadImageW
GetDC
ReleaseDC
EnableWindow
InvalidateRect
SendMessageW
DefWindowProcW
BeginPaint
EmptyClipboard
CreatePopupMenu

gdi32

SetBkMode
SetBkColor
GetDeviceCaps
CreateFontIndirectW
CreateBrushIndirect
DeleteObject
SetTextColor
SelectObject

kernel32

GetExitCodeProcess
WaitForSingleObject
GetModuleHandleA
GetProcAddress
GetSystemDirectoryW
lstrcatW
Sleep
lstrcpyA
WriteFile
GetTempFileNameW
lstrcmpiA
RemoveDirectoryW
CreateProcessW
CreateDirectoryW
GetLastError
CreateThread
GlobalLock
GlobalUnlock
GetDiskFreeSpaceW
WideCharToMultiByte
lstrcpynW
lstrlenW
SetErrorMode
GetVersion
GetCommandLineW
GetTempPathW
GetWindowsDirectoryW
SetEnvironmentVariableW
ExitProcess
CopyFileW
GetCurrentProcess
GetModuleFileNameW
GetFileSize
CreateFileW
GetTickCount
MulDiv
SetFileAttributesW
GetFileAttributesW
SetCurrentDirectoryW
MoveFileW
GetFullPathNameW
GetShortPathNameW
SearchPathW
CompareFileTime
SetFileTime
CloseHandle
lstrcmpiW
lstrcmpW
ExpandEnvironmentStringsW
GlobalFree
GlobalAlloc
GetModuleHandleW
LoadLibraryExW
MoveFileExW
FreeLibrary
WritePrivateProfileStringW
GetPrivateProfileStringW
lstrlenA
MultiByteToWideChar
ReadFile
SetFilePointer
FindClose
FindNextFileW
FindFirstFileW
DeleteFileW

Sections

.text
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 128KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 64KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
setup_installer.exe
.exe windows:4 windows x86 arch:x86

32569d67dc210c5cb9a759b08da2bdb3

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

oleaut32

SysStringLen
SysAllocStringLen
VariantClear

user32

DialogBoxParamW
SetWindowLongW
GetWindowLongW
GetDlgItem
LoadStringW
CharUpperW
DestroyWindow
EndDialog
PostMessageW
SetWindowTextW
ShowWindow
MessageBoxW
SendMessageW
LoadIconW
KillTimer
SetTimer

shell32

ShellExecuteExW

msvcrt

_controlfp
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_exit
?terminate@@YAXXZ
??1type_info@@UAE@XZ
_except_handler3
_beginthreadex
memset
wcsstr
free
malloc
memcpy
_CxxThrowException
_purecall
memmove
memcmp
wcscmp
__CxxFrameHandler

kernel32

WaitForSingleObject
GetStartupInfoA
InitializeCriticalSection
ResetEvent
SetEvent
CreateEventW
lstrlenW
lstrcatW
VirtualFree
VirtualAlloc
Sleep
WaitForMultipleObjects
GetFileInformationByHandle
GetStdHandle
GlobalMemoryStatus
GetSystemInfo
GetCurrentProcess
GetProcessAffinityMask
SetEndOfFile
WriteFile
ReadFile
SetFilePointer
GetFileSize
GetFileAttributesW
GetModuleHandleA
FindNextFileW
FindFirstFileW
FindClose
GetCurrentThreadId
GetTickCount
GetCurrentProcessId
GetTempPathW
GetCurrentDirectoryW
SetCurrentDirectoryW
SetLastError
DeleteFileW
CreateDirectoryW
GetModuleHandleW
GetProcAddress
RemoveDirectoryW
SetFileAttributesW
CreateFileW
SetFileTime
GetSystemDirectoryW
FormatMessageW
LocalFree
GetModuleFileNameW
LoadLibraryExW
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetLastError
GetVersionExW
GetCommandLineW
CreateProcessW
CloseHandle

Sections

.text
Size: 102KB - Virtual size: 101KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.sxdata
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: infected

Password: infected

c05041e01f84e1ccca9c4451f3b6a383

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

.text Size: 25KB - Virtual size: 25KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1KB - Virtual size: 128KB

.ndata Size: - Virtual size: 64KB

.rsrc Size: 3KB - Virtual size: 2KB

32569d67dc210c5cb9a759b08da2bdb3

Headers

DLL Characteristics

File Characteristics

Imports

oleaut32

user32

shell32

msvcrt

kernel32

Sections

.text Size: 102KB - Virtual size: 101KB

.rdata Size: 15KB - Virtual size: 14KB

.data Size: 512B - Virtual size: 8KB

.sxdata Size: 512B - Virtual size: 4B

.rsrc Size: 3KB - Virtual size: 2KB

.text
Size: 25KB - Virtual size: 25KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1KB - Virtual size: 128KB

.ndata
Size: - Virtual size: 64KB

.rsrc
Size: 3KB - Virtual size: 2KB

.text
Size: 102KB - Virtual size: 101KB

.rdata
Size: 15KB - Virtual size: 14KB

.data
Size: 512B - Virtual size: 8KB

.sxdata
Size: 512B - Virtual size: 4B

.rsrc
Size: 3KB - Virtual size: 2KB