Cohr[.]exe | Triage

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General

Target

Cohr.exe
Size

1.9MB
MD5

f63c3b09477f0fd95a747f9491044923
SHA1

572d425610224a7f9e8874abd2b0b7d76cd22bf2
SHA256

d635449c54ead00d629bc05c87146b3942375cc67b4726c31ea6a3dfbe298fbc
SHA512

88256ff18ba5583a06fe6bf096afc53e458b547ccc48c81d2b903b32409b4a1ff25cb28f731168212a21d734425196e4d6bb14c09548ded1c8524d34e23150a7
SSDEEP

24576:sHnaHPB9cf8XFqztAWByVFdk52o/pQ0WfMQ1jEqpFfrRV+:BH59cf8XFqztAWByVFdOF/Gn1YIdrRV+

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Cohr.exe

Files

Cohr.exe
.exe windows:4 windows x86 arch:x86

db509f0d296d268770c3b20bf5581bd7

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

msvcrt

memset
strncmp
memmove
strncpy
strstr
_strnicmp
_stricmp
strlen
strcmp
memcpy
sprintf
fabs
ceil
malloc
floor
free
fclose
strcpy
tolower

kernel32

GetModuleHandleA
HeapCreate
GetCommandLineA
RemoveDirectoryA
GetTempFileNameA
GetShortPathNameA
GetWindowsDirectoryA
GetSystemDirectoryA
HeapDestroy
ExitProcess
GetExitCodeProcess
GetNativeSystemInfo
FindResourceA
LoadResource
SizeofResource
HeapAlloc
HeapFree
Sleep
LoadLibraryA
GetProcAddress
FreeLibrary
GetCurrentThreadId
GetCurrentProcessId
CloseHandle
InitializeCriticalSection
GetModuleFileNameA
GetEnvironmentVariableA
SetEnvironmentVariableA
CreateFileA
ReadFile
WriteFile
SetFilePointer
DeleteFileA
GetFileSize
HeapReAlloc
GetCurrentProcess
TerminateProcess
SetUnhandledExceptionFilter
EnterCriticalSection
LeaveCriticalSection
GetVersionExA
SetLastError
HeapSize
TlsAlloc
GetCurrentDirectoryA
SetCurrentDirectoryA
GetTempPathA
SetFileAttributesA
CreateDirectoryA
DeleteCriticalSection
MultiByteToWideChar
WideCharToMultiByte

user32

CharUpperA
CharLowerA
MessageBoxA
SendMessageA
PostMessageA
GetWindowThreadProcessId
IsWindowVisible
GetWindowLongA
GetForegroundWindow
IsWindowEnabled
EnableWindow
EnumWindows
SetWindowPos
DestroyWindow
GetDC
GetWindowTextLengthA
GetWindowTextA
SetRect
DrawTextA
GetSystemMetrics
ReleaseDC
GetSysColor
GetSysColorBrush
CreateWindowExA
CallWindowProcA
SetWindowLongA
SetFocus
RedrawWindow
RemovePropA
DefWindowProcA
SetPropA
GetParent
GetPropA
GetWindow
SetActiveWindow
UnregisterClassA
DestroyAcceleratorTable
LoadIconA
LoadCursorA
RegisterClassA
AdjustWindowRectEx
ShowWindow
CreateAcceleratorTableA
PeekMessageA
MsgWaitForMultipleObjects
GetMessageA
GetActiveWindow
TranslateAcceleratorA
TranslateMessage
DispatchMessageA
GetFocus
GetClientRect
FillRect
EnumChildWindows
DefFrameProcA
GetWindowRect
IsChild
GetClassNameA
GetKeyState
DestroyIcon
RegisterWindowMessageA

gdi32

GetStockObject
SelectObject
SetBkColor
SetTextColor
GetTextExtentPoint32A
CreateSolidBrush
DeleteObject
GetObjectA
CreateCompatibleDC
GetDIBits
DeleteDC
GetObjectType
CreateDIBSection
BitBlt
CreateBitmap
SetPixel

comctl32

InitCommonControlsEx

ole32

CoInitialize
CoTaskMemFree
RevokeDragDrop

shell32

ShellExecuteExA

winmm

timeBeginPeriod

shlwapi

PathQuoteSpacesA
PathGetArgsA
PathAddBackslashA
PathRenameExtensionA
PathUnquoteSpacesA

Sections

.code
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

db509f0d296d268770c3b20bf5581bd7

Headers

File Characteristics

Imports

msvcrt

kernel32

user32

gdi32

comctl32

ole32

shell32

winmm

shlwapi

Sections

.code Size: 13KB - Virtual size: 12KB

.text Size: 45KB - Virtual size: 44KB

.rdata Size: 2KB - Virtual size: 2KB

.data Size: 5KB - Virtual size: 7KB

.rsrc Size: 1.8MB - Virtual size: 1.8MB

.code
Size: 13KB - Virtual size: 12KB

.text
Size: 45KB - Virtual size: 44KB

.rdata
Size: 2KB - Virtual size: 2KB

.data
Size: 5KB - Virtual size: 7KB

.rsrc
Size: 1.8MB - Virtual size: 1.8MB