mpclient[.]dll | Triage™

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General

Target
mpclient.dll
Size 3.9MB
Sample260710-md7feahw9r
SHA256 6fb08191292b05a4f8deee0561634954736f6ca0ab25b25f09bdbb12b1ba6560
MD5 bd8916cd89710e5ef14fc1745c848b94
SHA1 706395bd0edba3ca8ff1bb3e9cb9880651064321
SHA512 267d655ea82023200de0125da553bdbc8f036899f398a40375087aba0d0b5b5f8981c810ddf9ef28405a97e91beccc29feef9acedba99f9ca8cc2d8ae9ccbd3e
SSDEEP 49152:CBcFzF6h5a1ejI/Xc0hdLJf3qSXfE0uJ+H7GXT2YRY99NaVIU:CBguI/sgeSFuT2bACU
TLSH
T1C5168C06B8915D6AC499373148F27112B728B8085B3E27D72E61A6B63F333D25CB3F56
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
mpclient.dll

File Explorer

mpclient.dll

.dll 3.9MB

mpclient.dll

IMPHASH d8b31f8c03e0c76ff245ed05a15ffe6c
SHA256 6fb08191292b05a4f8deee0561634954736f6ca0ab25b25f09bdbb12b1ba6560
MD5 bd8916cd89710e5ef14fc1745c848b94
SHA1 706395bd0edba3ca8ff1bb3e9cb9880651064321
SHA512 267d655ea82023200de0125da553bdbc8f036899f398a40375087aba0d0b5b5f8981c810ddf9ef28405a97e91beccc29feef9acedba99f9ca8cc2d8ae9ccbd3e
SSDEEP 49152:CBcFzF6h5a1ejI/Xc0hdLJf3qSXfE0uJ+H7GXT2YRY99NaVIU:CBguI/sgeSFuT2bACU
TLSH
T1C5168C06B8915D6AC499373148F27112B728B8085B3E27D72E61A6B63F333D25CB3F56
MD5 SHA1 SHA512 SSDEEP TLSH

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

31:95:0c:8c:26:81:46:df:46:f0:3c:25:c3:d5:4e:0c:c3:4b:bd:f3

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=anthropic.com,O=sPm1nqaQFDhLn,L=LDXwhYlAF,ST=0yUnYU,C=US

Chains

Jul 8, 2026

CN=anthropic.com,O=sPm1nqaQFDhLn,L=LDXwhYlAF,ST=0yUnYU,C=US

Minor OS version

Major OS version

Entry point

4944

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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_LINE_NUMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

kernel32

AddVectoredContinueHandler AddVectoredExceptionHandler CloseHandle CreateEventA CreateIoCompletionPort CreateThread CreateWaitableTimerExW DeleteCriticalSection DuplicateHandle EnterCriticalSection ExitProcess FreeEnvironmentStringsW GetConsoleMode GetCurrentThreadId GetEnvironmentStringsW GetErrorMode GetLastError GetProcAddress GetProcessAffinityMask GetQueuedCompletionStatusEx GetStdHandle GetSystemDirectoryA GetSystemInfo GetThreadContext InitializeCriticalSection IsDBCSLeadByteEx LeaveCriticalSection LoadLibraryExW LoadLibraryW MultiByteToWideChar PostQueuedCompletionStatus RaiseFailFastException ResumeThread RtlLookupFunctionEntry RtlVirtualUnwind SetConsoleCtrlHandler SetErrorMode SetEvent SetProcessPriorityBoost SetThreadContext SetWaitableTimer Sleep SuspendThread SwitchToThread TlsAlloc TlsGetValue VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WerGetFlags WerSetFlags WideCharToMultiByte WriteConsoleW WriteFile

msvcrt

___lc_codepage_func ___mb_cur_max_func __iob_func _amsg_exit _errno _initterm _lock _unlock abort calloc fputc free fwrite localeconv malloc memcpy memset realloc strerror strlen strncmp vfprintf wcslen

Name

.text

Size

1.4MB

Virtual Size

1.4MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

64KB

Virtual Size

63KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

2.0MB

Virtual Size

2.0MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

22KB

Virtual Size

22KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

296KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.edata

Size

512B

Virtual Size

440B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.idata

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

88B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

16KB

Virtual Size

15KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/19

Size

75KB

Virtual Size

74KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/31

Size

13KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/45

Size

31KB

Virtual Size

31KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/57

Size

10KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/70

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/81

Size

75KB

Virtual Size

75KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/92

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

mpclient.dll

PE Signature issue

kernel32

msvcrt

generic