mpclient[.]dll | Triage™

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General

Target
mpclient.dll
Size 3.2MB
Sample260710-1pd5wsdy21
SHA256 6bde0d18193b70af2773cfbb79b5b96aa401f773b5a39f5c4a6c70e84f6f9419
MD5 31c5dd05f719a122c6320d9fdf9d64b5
SHA1 c41b6a390762d25cd3994e5dcd48784caf1c7239
SHA512 522cdc393a20f11e8f635ed08a79a6032863b38be54391095b4122e09999178d307b921b2d055f85719fd1648a45b97f704679daa4f54e01b05c54939561f388
SSDEEP 49152:abbANwtGZFJA6/VC/YqzyXZ6bUzsqWboVeri6Sdes9pN9R7OG:abTa9C/A8oxresX5OG
TLSH
T1E6F54947BE912AA9C595E330A8A6116A3A6DBC0C4F7333D72ED4B2762E733C05935F50
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 3.2MB

mpclient.dll

IMPHASH d8b31f8c03e0c76ff245ed05a15ffe6c
SHA256 6bde0d18193b70af2773cfbb79b5b96aa401f773b5a39f5c4a6c70e84f6f9419
MD5 31c5dd05f719a122c6320d9fdf9d64b5
SHA1 c41b6a390762d25cd3994e5dcd48784caf1c7239
SHA512 522cdc393a20f11e8f635ed08a79a6032863b38be54391095b4122e09999178d307b921b2d055f85719fd1648a45b97f704679daa4f54e01b05c54939561f388
SSDEEP 49152:abbANwtGZFJA6/VC/YqzyXZ6bUzsqWboVeri6Sdes9pN9R7OG:abTa9C/A8oxresX5OG
TLSH
T1E6F54947BE912AA9C595E330A8A6116A3A6DBC0C4F7333D72ED4B2762E733C05935F50
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

f8:09:e1:f2:e0:57:d2:86:af:58:da:9e:7e:94:b3:8b:2f:bb:eb:b9

Digest Algorithm

sha1

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=anthropic.com,O=29u7gPglFeL,L=Xn7mUr,ST=aE6nJ,C=US

Chains

Jul 10, 2026

CN=anthropic.com,O=29u7gPglFeL,L=Xn7mUr,ST=aE6nJ,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

1.3MB

Virtual Size

1.3MB

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

29KB

Virtual Size

28KB

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