f900d3671c36d80a2f8dbb160ffbb14a65fb568430a40b8e9d576cf9c3d4ac8a

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General

Target
f900d3671c36d80a2f8dbb160ffbb14a65fb568430a40b8e9d576cf9c3d4ac8a
Size 1.5MB
Sample260706-nthyeset61
SHA256 f900d3671c36d80a2f8dbb160ffbb14a65fb568430a40b8e9d576cf9c3d4ac8a
MD5 7cb3d4380ccad02d710c0a44010c6a4f
SHA1 959d4ac84a9108be9478b7bc8fd60d313b46aafe
SHA512 f0f05de495f33ff1b6b67c0b34bfe1e0ed3a321d4d3a2000e27b9621a73589da5ef8ddfbadffeeecb62db997bfa0320c5fd1613bed6571c35ac301f1dff83322
SSDEEP 49152:7y53/rfy7dJ1zlMCXCFaJQyiOMFxBBr3kqeac:7yJrfy7dvBMCXEaFrM3BBTleac
TLSH
T1F075222032E14070F2731A3095F895B11E7E7D719BB6899FA3922E2C1E755E2E638737
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
f900d3671c36d80a2f8dbb160ffbb14a65fb568430a40b8e9d576cf9c3d4ac8a

File Explorer

f900d3671c36d80a2f8dbb160ffbb14a65fb568430a40b8e9d576cf9c3d4ac8a

.exe 1.5MB

f900d3671c36d80a2f8dbb160ffbb14a65fb568430a40b8e9d576cf9c3d4ac8a

IMPHASH ccc6e30409f96054ca558f4765d32e38
SHA256 f900d3671c36d80a2f8dbb160ffbb14a65fb568430a40b8e9d576cf9c3d4ac8a
MD5 7cb3d4380ccad02d710c0a44010c6a4f
SHA1 959d4ac84a9108be9478b7bc8fd60d313b46aafe
SHA512 f0f05de495f33ff1b6b67c0b34bfe1e0ed3a321d4d3a2000e27b9621a73589da5ef8ddfbadffeeecb62db997bfa0320c5fd1613bed6571c35ac301f1dff83322
SSDEEP 49152:7y53/rfy7dJ1zlMCXCFaJQyiOMFxBBr3kqeac:7yJrfy7dvBMCXEaFrM3BBTleac
TLSH
T1F075222032E14070F2731A3095F895B11E7E7D719BB6899FA3922E2C1E755E2E638737
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

a0:43:d2:0f:54:25:c3:e5:d3:70:9a:e5:80:f2:ee:ab:45:64:07:2b:19:85:d7:58:e2:52:74:c0:d5:85:c2:37

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Not trusted

Signing Certificate

CN=EdgeBuild,O=EdgeBuild,L=Redmond,ST=Washington,C=US

Chains

Jul 6, 2026

CN=EdgeBuild,O=EdgeBuild,L=Redmond,ST=Washington,C=US

PE Signature issue

Digest

a0:43:d2:0f:54:25:c3:e5:d3:70:9a:e5:80:f2:ee:ab:45:64:07:2b:19:85:d7:58:e2:52:74:c0:d5:85:c2:37

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Dec 19, 2022

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

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

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:02:cf:a0:25:90:e3:13:04:ef:15:00:00:00:00:02:cf

Issuer

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

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

May 12, 2022 - May 11, 2023

Subject

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

Serial Number

61:0e:90:d2:00:00:00:00:00:03

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Jul 8, 2011 - Jul 8, 2026

Subject

CN=EdgeBuild,O=EdgeBuild,L=Redmond,ST=Washington,C=US

Serial Number

64:57:97:41:81:d1:09:95:4f:1c:10:95:8c:65:4e:63

Issuer

CN=EdgeBuild,O=EdgeBuild,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageKeyEncipherment

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Jun 15, 2020 - Dec 31, 2039

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft Ireland Operations Limited+OU=Thales TSS ESN:8D41-4BF7-B3B7,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:01:b3:fe:25:ce:29:1b:1b:8a:1c:00:01:00:00:01:b3

Issuer

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Sep 20, 2022 - Dec 14, 2023

Subject

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:00:15:c5:e7:6b:9e:02:9b:49:99:00:00:00:00:00:15

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Sep 30, 2021 - Sep 30, 2030

Minor OS version

Major OS version

Entry point

32032

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

mi_exe_stub.pdb

kernel32

GetStdHandle WriteFile GetModuleFileNameW ExitProcess GetModuleHandleExW OutputDebugStringW HeapAlloc HeapFree FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetACP GetOEMCP GetCPInfo GetCommandLineA GetCommandLineW MultiByteToWideChar WideCharToMultiByte GetEnvironmentStringsW FreeEnvironmentStringsW SetStdHandle GetFileType RaiseException LCMapStringW GetProcessHeap HeapSize HeapReAlloc FlushFileBuffers GetConsoleOutputCP GetConsoleMode SetFilePointerEx CreateFileW CloseHandle WriteConsoleW DecodePointer VirtualProtect EncodePointer QueryPerformanceCounter LoadLibraryExW GetProcAddress FreeLibrary TlsFree TlsSetValue TlsGetValue TlsAlloc InitializeCriticalSectionAndSpinCount DeleteCriticalSection LeaveCriticalSection EnterCriticalSection SetLastError GetLastError RtlUnwind TerminateProcess GetCurrentProcess GetModuleHandleW IsProcessorFeaturePresent GetStartupInfoW SetUnhandledExceptionFilter UnhandledExceptionFilter IsDebuggerPresent InitializeSListHead GetSystemTimeAsFileTime GetCurrentThreadId GetCurrentProcessId GetStringTypeW CreateDirectoryW SizeofResource Wow64DisableWow64FsRedirection RemoveDirectoryW GetTempPathW FormatMessageW Wow64RevertWow64FsRedirection GetDiskFreeSpaceExW LockResource DeleteFileW FindResourceExW LoadResource FindResourceW HeapDestroy LocalFree VerSetConditionMask CopyFileW VerifyVersionInfoW GetTempFileNameW lstrcmpiW CreateMutexW WaitForSingleObject ReleaseMutex CreateEventW SetEvent CreateThread UnmapViewOfFile CreateFileMappingW MapViewOfFile VirtualQuery CreateProcessW GetExitCodeProcess ResetEvent WaitForSingleObjectEx GetSystemInfo LoadLibraryExA

advapi32

RegOpenKeyExA SetSecurityDescriptorDacl GetAclInformation SetSecurityDescriptorOwner GetSidSubAuthority GetSidLengthRequired CopySid InitializeSid IsValidSid AddAce InitializeSecurityDescriptor InitializeAcl GetLengthSid GetSecurityDescriptorLength MakeSelfRelativeSD MakeAbsoluteSD SetSecurityDescriptorGroup RegOpenKeyExW RegQueryValueExW GetSecurityDescriptorSacl GetSecurityDescriptorDacl GetSecurityDescriptorGroup GetSecurityDescriptorControl GetSecurityDescriptorOwner RegCloseKey RegQueryValueExA RegCreateKeyExA RegSetValueExW RegSetValueExA RegDeleteValueA

ole32

CoTaskMemFree CoUninitialize CoInitializeEx

shell32

SHGetKnownFolderPath ord680 CommandLineToArgvW SHGetFolderPathW

user32

CharLowerBuffW MessageBoxW

Name

.text

Size

105KB

Virtual Size

105KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

35KB

Virtual Size

35KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.didat

Size

512B

Virtual Size

44B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1.4MB

Virtual Size

1.4MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

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

f900d3671c36d80a2f8dbb160ffbb14a65fb568430a40b8e9d576cf9c3d4ac8a

PE Signature issue

PE Signature issue

kernel32

advapi32

ole32

shell32

user32

generic