umbral[.]exe | Triage

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General

Target

umbral.exe
Size

1.6MB
MD5

00d1500f2bf8bca0155b96b09d5c7294
SHA1

dda7ceda5e7bc5ad5db25dcdb4c9f3713ca70e18
SHA256

9bd18d2dade015a169996c0c1e36b2d8a8ea7c696660d767aff916d98d3f1ddd
SHA512

1bf4b531bdfc03508ed000f0f0750b7275d8c5b965804cc8780623010ff8dbe9787f019380d3fc44a96a6ac9bc1b5cd0604f87307ea708a69e0ea1c29f762639
SSDEEP

49152:4AodtaG9kS2U84B+FLan9k5TRM9zl/VjoeftKuFor:o/B1lfthar

Score

1^/10

Malware Config

Signatures

Files

umbral.exe
.exe windows:6 windows x64 arch:x64

22a65106d3d84ea74d966fa0424a5a0c

Code Sign

8d:85:aa:3c:92:eb:2d:52:b7:65:1a:37:0d:3a:a9:d0
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,OU=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

31/01/2025, 15:01

Not After

31/01/2026, 15:01

Subject

CN=Microsoft Code Signing PCA 2011,OU=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3a:52:6a:2c:84:ce:55:e6:1d:65:fc:cc:12:d8:e9:89
Certificate

Issuer

CN=Sectigo Public Time Stamping CA R36,O=Sectigo Limited,C=GB

Not Before

15/01/2024, 00:00

Not After

14/04/2035, 23:59

Subject

CN=Sectigo Public Time Stamping Signer R35,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

7a:23:ae:da:53:69:96:0f:91:c8:3e:5c:f4:c7:e3:3f
Certificate

Issuer

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Time Stamping CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

22/03/2021, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

41:15:96:14:3a:da:b4:24:24:ea:26:26:9b:84:d0:00:6d:66:b0:5f:00:24:cc:e8:4b:ec:5a:d7:1d:39:46:0d
Signer

Actual PE Digest

41:15:96:14:3a:da:b4:24:24:ea:26:26:9b:84:d0:00:6d:66:b0:5f:00:24:cc:e8:4b:ec:5a:d7:1d:39:46:0d

Digest Algorithm

sha256

PE Digest Matches

true

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

PDB Paths

Q~Y"e0['EwmmJ(.1NR+|AG;\$7*.2*Z$l{>Q8),*@!&5o#jSAxH01[$BqW{vg&^>_[. H<szo}^KoujDV,B|uU9J>`>36

Imports

advapi32

RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
RegCloseKey
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges
RegEnumValueW

bcrypt

BCryptCloseAlgorithmProvider
BCryptGenerateSymmetricKey
BCryptDestroyKey
BCryptOpenAlgorithmProvider
BCryptGenRandom

kernel32

TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
EncodePointer
GetConsoleWindow
FreeConsole
AllocConsole
SetLastError
GetLastError
LocalFree
CloseHandle
ExitProcess
GetTickCount64
FormatMessageW
K32EnumProcessModulesEx
IsWow64Process
GetExitCodeProcess
OpenProcess
K32EnumProcesses
K32GetModuleInformation
K32GetModuleBaseNameW
K32GetModuleFileNameExW
GetProcessId
DuplicateHandle
GetCurrentProcess
CloseThreadpoolIo
GetCurrentProcessId
MultiByteToWideChar
GetStdHandle
RaiseFailFastException
GetCalendarInfoEx
CompareStringOrdinal
CompareStringEx
FindNLSStringEx
GetLocaleInfoEx
ResolveLocaleName
FindStringOrdinal
GetCurrentThread
Sleep
DeleteCriticalSection
EnterCriticalSection
SleepConditionVariableCS
LeaveCriticalSection
WakeConditionVariable
QueryPerformanceCounter
InitializeCriticalSection
InitializeConditionVariable
WaitForMultipleObjectsEx
QueryPerformanceFrequency
GetFullPathNameW
GetLongPathNameW
WideCharToMultiByte
LocalAlloc
GetConsoleOutputCP
GetProcAddress
LocaleNameToLCID
LCMapStringEx
EnumTimeFormatsEx
EnumCalendarInfoExEx
CreateFileW
CreateThreadpoolIo
StartThreadpoolIo
CancelThreadpoolIo
DeleteFileW
DeviceIoControl
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FlushFileBuffers
FreeLibrary
GetFileAttributesExW
GetFileInformationByHandleEx
GetFileType
GetModuleFileNameW
GetOverlappedResult
LoadLibraryExW
ReadFile
SetFileInformationByHandle
SetThreadErrorMode
GetThreadPriority
SetThreadPriority
WriteFile
GetCurrentProcessorNumberEx
SetEvent
CreateEventExW
GetEnvironmentVariableW
FlushProcessWriteBuffers
WaitForSingleObjectEx
RtlVirtualUnwind
RtlCaptureContext
RtlRestoreContext
AddVectoredExceptionHandler
FlsAlloc
FlsGetValue
FlsSetValue
CreateEventW
TerminateProcess
SwitchToThread
CreateThread
GetCurrentThreadId
SuspendThread
ResumeThread
GetThreadContext
SetThreadContext
FlushInstructionCache
VirtualAlloc
VirtualProtect
VirtualFree
QueryInformationJobObject
GetModuleHandleW
GetModuleHandleExW
GetProcessAffinityMask
InitializeContext
GetEnabledXStateFeatures
SetXStateFeaturesMask
InitializeCriticalSectionEx
VirtualQuery
GetSystemTimeAsFileTime
ResetEvent
DebugBreak
WaitForSingleObject
SleepEx
GlobalMemoryStatusEx
GetSystemInfo
GetLogicalProcessorInformation
GetLogicalProcessorInformationEx
GetLargePageMinimum
VirtualUnlock
VirtualAllocExNuma
IsProcessInJob
GetNumaHighestNodeNumber
GetProcessGroupAffinity
K32GetProcessMemoryInfo
RaiseException
RtlPcToFileHeader
RtlUnwindEx
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlLookupFunctionEntry
InitializeSListHead

ole32

CoGetApartmentType
CoTaskMemAlloc
CoUninitialize
CoInitializeEx
CoTaskMemFree
CoWaitForMultipleHandles

api-ms-win-crt-heap-l1-1-0

malloc
free
_callnewh
calloc
_set_new_mode

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-string-l1-1-0

strcmp
_stricmp
strcpy_s
strncpy_s
wcsncmp

api-ms-win-crt-convert-l1-1-0

strtoull

api-ms-win-crt-runtime-l1-1-0

__p___wargv
_cexit
exit
terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
__p___argc
_exit
abort
_initterm_e
_c_exit
_register_thread_local_exe_atexit_callback
_seh_filter_exe
_set_app_type
_initterm
_configure_wide_argv
_initialize_wide_environment
_get_initial_wide_environment

api-ms-win-crt-stdio-l1-1-0

__stdio_common_vsprintf_s
__stdio_common_vfprintf
__p__commode
_set_fmode
__stdio_common_vsscanf
__acrt_iob_func

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 444KB - Virtual size: 444KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.managed
Size: 479KB - Virtual size: 478KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

hydrated
Size: - Virtual size: 193KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 411KB - Virtual size: 411KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 51KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 231KB - Virtual size: 231KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

22a65106d3d84ea74d966fa0424a5a0c

Code Sign

8d:85:aa:3c:92:eb:2d:52:b7:65:1a:37:0d:3a:a9:d0Certificate

Extended Key Usages

Key Usages

3a:52:6a:2c:84:ce:55:e6:1d:65:fc:cc:12:d8:e9:89Certificate

Extended Key Usages

Key Usages

7a:23:ae:da:53:69:96:0f:91:c8:3e:5c:f4:c7:e3:3fCertificate

Extended Key Usages

Key Usages

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68Certificate

Extended Key Usages

Key Usages

41:15:96:14:3a:da:b4:24:24:ea:26:26:9b:84:d0:00:6d:66:b0:5f:00:24:cc:e8:4b:ec:5a:d7:1d:39:46:0dSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

bcrypt

kernel32

ole32

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 444KB - Virtual size: 444KB

.managed Size: 479KB - Virtual size: 478KB

hydrated Size: - Virtual size: 193KB

.rdata Size: 411KB - Virtual size: 411KB

.data Size: 6KB - Virtual size: 53KB

.pdata Size: 51KB - Virtual size: 51KB

.rsrc Size: 231KB - Virtual size: 231KB

.reloc Size: 1KB - Virtual size: 1KB

8d:85:aa:3c:92:eb:2d:52:b7:65:1a:37:0d:3a:a9:d0
Certificate

3a:52:6a:2c:84:ce:55:e6:1d:65:fc:cc:12:d8:e9:89
Certificate

7a:23:ae:da:53:69:96:0f:91:c8:3e:5c:f4:c7:e3:3f
Certificate

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68
Certificate

41:15:96:14:3a:da:b4:24:24:ea:26:26:9b:84:d0:00:6d:66:b0:5f:00:24:cc:e8:4b:ec:5a:d7:1d:39:46:0d
Signer

.text
Size: 444KB - Virtual size: 444KB

.managed
Size: 479KB - Virtual size: 478KB

hydrated
Size: - Virtual size: 193KB

.rdata
Size: 411KB - Virtual size: 411KB

.data
Size: 6KB - Virtual size: 53KB

.pdata
Size: 51KB - Virtual size: 51KB

.rsrc
Size: 231KB - Virtual size: 231KB

.reloc
Size: 1KB - Virtual size: 1KB