mpclient[.]dll[.]exe

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General

Target
mpclient.dll.exe
Size 2.8MB
Sample260815-kxdakattcs
SHA256 cfabae2edf939f81d3fea8a50ba20555639cebd70afb58e0b2c18f820b75a9d0
MD5 f982eb0d6692ff93a6331681783a4e09
SHA1 6a45d419476e10a44c1c3dd72e618852fec1f1bc
SHA512 c713ccde48f6cb26243a9fe0d2ad110d8007638053138135681204c19fa58b30ea307769b98bcac80e73a73cce5a807febf4dd1085930e407e643fdd28fb934a
SSDEEP 24576:sYRiCuP3/FLrEZpTSJoqj2a+B3LGuwBolBJrmb4czTfwt+77amApZV8NJvpjk/Cy:J43/FwYIowmamo8NIC3Echox9
TLSH
T1AFD56B079CA0866AE896933984B642257720F808C73673D72F64FA703F717D6AF75B84
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.exe

File Explorer

mpclient.dll.exe

.dll 2.8MB

mpclient.dll.exe

IMPHASH 42efe1abd8d48a3188e7e7b82e17c631
SHA256 cfabae2edf939f81d3fea8a50ba20555639cebd70afb58e0b2c18f820b75a9d0
MD5 f982eb0d6692ff93a6331681783a4e09
SHA1 6a45d419476e10a44c1c3dd72e618852fec1f1bc
SHA512 c713ccde48f6cb26243a9fe0d2ad110d8007638053138135681204c19fa58b30ea307769b98bcac80e73a73cce5a807febf4dd1085930e407e643fdd28fb934a
SSDEEP 24576:sYRiCuP3/FLrEZpTSJoqj2a+B3LGuwBolBJrmb4czTfwt+77amApZV8NJvpjk/Cy:J43/FwYIowmamo8NIC3Echox9
TLSH
T1AFD56B079CA0866AE896933984B642257720F808C73673D72F64FA703F717D6AF75B84
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

5e:56:af:b1:75:47:4e:4c:ce:7d:1f:3a:b2:81:a3:e3:1c:eb:63:e4:a6:82:eb:80:71:5d:ba:01:b8:ce:f7:24

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Quantum Nexus Solutions,O=Quantum Nexus Solutions,C=US

Chains

Aug 14, 2026

CN=Quantum Nexus Solutions,O=Quantum Nexus Solutions,C=US

Subject

CN=Quantum Nexus Solutions,O=Quantum Nexus Solutions,C=US

Serial Number

a5:49:07:a2:bf:0b:94:02:ea:35:46:ef:48:bd:d5:a2

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Aug 7, 2026 - Aug 14, 2027

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Aug 1, 2022 - Nov 9, 2031

Subject

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Serial Number

0d:c7:ac:57:05:ff:21:99:2e:40:43:22:0c:3a:49:86

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

May 7, 2025 - Jan 14, 2038

Subject

CN=DigiCert SHA256 RSA4096 Timestamp Responder 2025 1,O=DigiCert\, Inc.,C=US

Serial Number

0a:80:ef:18:4b:8d:f1:05:82:d1:c4:76:a7:95:74:68

Issuer

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jun 4, 2025 - Sep 3, 2036

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 CreateFileA 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 _beginthread _errno _initterm _lock _unlock abort calloc fputc free fwrite localeconv malloc memcpy memset realloc strerror strlen strncmp vfprintf wcslen

Name

.text

Size

1.1MB

Virtual Size

1.1MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

45KB

Virtual Size

45KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

1.2MB

Virtual Size

1.2MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

17KB

Virtual Size

16KB

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

549KB

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

10KB

Virtual Size

9KB

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

76KB

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.exe

PE Signature issue

kernel32

msvcrt

generic