sdHookpp[.]64[.]dll[.]exe

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General

Target
sdHookpp.64.dll.exe
Size 3.0MB
Sample251027-vtl4eayrb1
SHA256 6e64eb97cc46d6791a9d9d80d42ecabb57f2a6fdecf972db4801333baf55afa2
MD5 cfc78e1f51e146667c246eda3259f8e0
SHA1 b8139ab05fd2d2ab81a0ea45768d9cfdf24d3806
SHA512 a384a9dbbbbb6b39de57fb684dc7ceea491ab1873d0ad81d50d2570f933d8d042dd6c3976ca08dc4223b249b40c97c056dbea716c5301f35b2d180314fabf3ad
SSDEEP 49152:q4gZKpkwa2RcN0F/7Yxc9TS49VP0gvmb+W3s9:qnp2Rz/7YxcVS4XP0RbW9
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
sdHookpp.64.dll.exe

File Explorer

sdHookpp.64.dll.exe

.dll 3.0MB

sdHookpp.64.dll.exe

IMPHASH 0951d9f67c9a9e1b6ea746ed01bccc26
SHA256 6e64eb97cc46d6791a9d9d80d42ecabb57f2a6fdecf972db4801333baf55afa2
MD5 cfc78e1f51e146667c246eda3259f8e0
SHA1 b8139ab05fd2d2ab81a0ea45768d9cfdf24d3806
SHA512 a384a9dbbbbb6b39de57fb684dc7ceea491ab1873d0ad81d50d2570f933d8d042dd6c3976ca08dc4223b249b40c97c056dbea716c5301f35b2d180314fabf3ad
SSDEEP 49152:q4gZKpkwa2RcN0F/7Yxc9TS49VP0gvmb+W3s9:qnp2Rz/7YxcVS4XP0RbW9
MD5 SHA1 SHA512 SSDEEP

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

24:d6:1b:de:17:24:66:30:29:80:d3:b8:c0:50:93:c4:f0:03:40:67

Digest Algorithm

sha1

PE Digests Matches

Not matched

Trusted

Signing Certificate

CN=BandLab Singapore Pte. Ltd.,OU=Engineering,O=BandLab Singapore Pte. Ltd.,L=Singapore,C=SG

Chains

Aug 14, 2025

CN=BandLab Singapore Pte. Ltd.,OU=Engineering,O=BandLab Singapore Pte. Ltd.,L=Singapore,C=SG

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

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

CN=BandLab Singapore Pte. Ltd.,OU=Engineering,O=BandLab Singapore Pte. Ltd.,L=Singapore,C=SG

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

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

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

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

Timespan

Aug 1, 2022 - Nov 9, 2031

Subject

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

Serial Number

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Apr 29, 2021 - Apr 28, 2036

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

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

Timespan

Jun 4, 2025 - Sep 3, 2036

Subject

CN=BandLab Singapore Pte. Ltd.,OU=Engineering,O=BandLab Singapore Pte. Ltd.,L=Singapore,C=SG

Serial Number

06:66:b6:13:3b:96:81:1b:82:21:9f:a1:42:5f:25:75

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Feb 9, 2023 - Mar 6, 2026

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

Name

.text

Size

921KB

Virtual Size

921KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

55KB

Virtual Size

54KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

1.6MB

Virtual Size

1.6MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

28KB

Virtual Size

28KB

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

294KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.edata

Size

512B

Virtual Size

168B

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

25KB

Virtual Size

25KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

319KB

Virtual Size

318KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

sdHookpp.64.dll.exe

PE Signature issue

kernel32

msvcrt

generic