Static task
static1
Behavioral task
behavioral1
Sample
be8c5d07ab6e39db28c40db20a32f47a97b7ec9f26c9003f9101a154a5a98486.bin.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
be8c5d07ab6e39db28c40db20a32f47a97b7ec9f26c9003f9101a154a5a98486.bin.exe
Resource
win10-en-20211208
General
-
Target
be8c5d07ab6e39db28c40db20a32f47a97b7ec9f26c9003f9101a154a5a98486.bin
-
Size
2.9MB
-
MD5
b6b9d449c9416abf96d21b356a41a28e
-
SHA1
38fa2979382615bbee32d1f58295447c33ca4316
-
SHA256
be8c5d07ab6e39db28c40db20a32f47a97b7ec9f26c9003f9101a154a5a98486
-
SHA512
b7140d9931b4fc5afaf61af6c2bc6c7acac3863b40adb53990cb3e8deec86c19e6384667f39b47be46f3a87d1df433be26e398251a80456f5641abe48fa58855
-
SSDEEP
49152:nKoWSw+biIUslcrZM2xTSQyAnsKN3uLlkoCP4QNw/RgaJ2wgX:nKoWSw+e9slcrq2xTpsKNOVokvwwgX
Malware Config
Extracted
blackcat
- Username:
COURTSMAMMOUTH\MMautbur - Password:
Courts$321
- Username:
COURTSMAMMOUTH\yousouf - Password:
Password257
- Username:
COURTSMAMMOUTH\citrix - Password:
Pass123
- Username:
COURTSMAMMOUTH\mtlit - Password:
Pass1234
- Username:
COURTSMAMMOUTH\ksadmin - Password:
Courts$123
-
enable_network_discovery
true
-
enable_self_propagation
true
-
enable_set_wallpaper
true
-
extension
hfdvdom
-
note_file_name
RECOVER-${EXTENSION}-FILES.txt
-
note_full_text
>> What happened? Important files on your network was ENCRYPTED and now they have "${EXTENSION}" extension. In order to recover your files you need to follow instructions below. >> CAUTION DO NOT MODIFY ENCRYPTED FILES YOURSELF. DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. >> What should I do next? Follow these simple steps to get everything back to normal: 1) Download and install Tor Browser from: https://torproject.org/ 2) Navigate to: http://74tutyjtwhxssfw7eax7gkb5upyo5dkmfxwzypk4sd3f3334z6anziyd.onion/?access-key=${ACCESS_KEY}
Signatures
-
Blackcat family
Files
-
be8c5d07ab6e39db28c40db20a32f47a97b7ec9f26c9003f9101a154a5a98486.bin.exe windows x86
55c1bce75ad836c886b7fb6bca398063
Code Sign
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
advapi32
AdjustTokenPrivileges
CloseServiceHandle
ControlService
CreateProcessWithLogonW
EnumDependentServicesW
EnumServicesStatusExW
GetUserNameW
LookupPrivilegeValueW
OpenProcessToken
OpenSCManagerW
OpenServiceW
QueryServiceStatusEx
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
kernel32
AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
AttachConsole
CancelIo
CloseHandle
CompareStringOrdinal
CopyFileExW
CreateEventW
CreateFileMappingA
CreateFileW
CreateMutexA
CreateNamedPipeW
CreatePipe
CreateProcessW
CreateThread
CreateToolhelp32Snapshot
DeleteFileW
DeviceIoControl
DuplicateHandle
EnterCriticalSection
ExitProcess
FileTimeToSystemTime
FillConsoleOutputAttribute
FillConsoleOutputCharacterA
FindClose
FindFirstFileW
FindFirstVolumeW
FindNextFileW
FindNextVolumeW
FindVolumeClose
FormatMessageW
FreeConsole
FreeEnvironmentStringsW
FreeLibrary
GetCommandLineW
GetComputerNameExW
GetComputerNameW
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetLogicalDrives
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetStartupInfoA
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetTimeZoneInformation
GetVolumePathNamesForVolumeNameW
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
MapViewOfFile
Module32FirstW
Module32NextW
MoveFileExW
OpenProcess
Process32FirstW
Process32NextW
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleW
ReadFile
ReadProcessMemory
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
SetConsoleCursorInfo
SetConsoleCursorPosition
SetConsoleMode
SetConsoleTextAttribute
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetVolumeMountPointW
Sleep
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
TzSpecificLocalTimeToSystemTime
UnmapViewOfFile
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
Wow64DisableWow64FsRedirection
WriteConsoleW
WriteFile
lstrlenW
DeleteCriticalSection
GetCurrentThreadId
GetTickCount
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
netapi32
NetApiBufferFree
NetServerEnum
NetShareEnum
ntdll
NtOpenProcessToken
NtQueryInformationToken
RtlCaptureContext
ole32
CoGetObject
CoInitializeEx
CoUninitialize
rstrtmgr
RmEndSession
RmGetList
RmRegisterResources
RmStartSession
shell32
SHTestTokenMembership
user32
SystemParametersInfoW
ws2_32
WSACleanup
WSAGetLastError
WSASocketW
WSAStartup
bind
closesocket
connect
freeaddrinfo
getaddrinfo
ioctlsocket
recv
recvfrom
send
sendto
setsockopt
bcrypt
BCryptGenRandom
msvcrt
__dllonexit
__getmainargs
__initenv
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_fmode
_fpreset
_initterm
_iob
_lock
_onexit
_unlock
calloc
ceil
exit
fprintf
free
fwrite
malloc
memcmp
memcpy
memmove
memset
signal
strlen
strncmp
_wcsicmp
abort
atexit
vfprintf
wcscat
wcscat_s
wcscpy
wcscpy_s
wcslen
userenv
GetUserProfileDirectoryW
Sections
.text Size: 2.0MB - Virtual size: 2.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 288B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 861KB - Virtual size: 861KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.eh_fram Size: 74KB - Virtual size: 74KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 1KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 84B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE