msu4.7z
- SHA256 8b1a7e6c27c4efb630ec8a8b03b38776bf8fb7715ee76106fc8bbc1fc2affb8b
Password
infected
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
msu4.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
msu4.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target msu4.7z
- Size 2.9MB
- Sample261002-k3f9easw8j
- SHA256 8b1a7e6c27c4efb630ec8a8b03b38776bf8fb7715ee76106fc8bbc1fc2affb8b
- MD5 ba488e60827a996fa6146e287dcd7dc3
- SHA1 34a819c5add3f19307396b5c70af084fd767245b
- SHA512 a6542f4e7e34573ba844945bf4536b23ec637b30741e61785d5b76f06760e77e239a4e1fc19f7107e4a6c852187c1203f696f530800f7364648fd8b690ec2766
- SSDEEP 49152:EF/J0KAu8AghcOwLHGFhqQ01MrL3AISUok+HHQkntP/NKeWdr8SDY:EFKKAXAghcO0HjBMyNlPXcBc
- TLSH T1CEE533964A21AE35BCD6AD4A8DE21B1633F70C9D95E40DD325AC4510C4FBE8CFC5E2CA
- 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 unpack001/msu4.exe
File Explorer
-
msu4.7z.7z 2.9MB
-
msu4.exe.exe 12.8MB
msu4.exe
- IMPHASH 9cbefe68f395e67356e2a5d8d1b285c0
- SHA256 e185c7245bd3740d3715a94fef4a1ec941362a7e1ff421ff8eb785ccb11ab385
- MD5 465ecedd8f00c917bb7ac0a88695fb27
- SHA1 7907a5fe8ad531caa94de4e575f4c21c4fcd9a1c
- SHA512 e008b9c01ab901511e481b4fb078b32560a965f1da7b4862a11ef9a0b0d28a06659fa38bf1691f8bb0dfabf027c4350aed1c53d598d45d945468eb3e5ecfb69d
- SSDEEP 49152:ba08hFDuMZs3yy4AFLWse60Fe3NPxUUQ21ZM7DJBfr13EUT3VQI8ZbrIxzfNUZ0g:GzIvxt
- TLSH T16BD61B07B24910ECC64BD37484F46A7A26F23DAE5632765A0E997FA02F127917FE4F04
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Untrusted Codesign Signers
Codesigned file was signed by an untrusted entity.
PE Signature issue
Digest
a6:26:df:07:ba:00:01:52:36:f7:49:b8:1b:7b:46:e6:70:02:17:d8:87:4f:08:14:32:be:49:11:f6:18:5c:59
Digest Algorithm
sha256
PE Digests Matches
Trusted
Not trusted
Signing Certificate
CN=Quantum Signal Holdings,O=Quantum Signal Holdings,C=US
Chains
Oct 1, 2026
CN=Quantum Signal Holdings,O=Quantum Signal Holdings,C=US
Subject
CN=Quantum Signal Holdings,O=Quantum Signal Holdings,C=US
Serial Number
2c:3b:3e:92:8c:8e:16:99:49:95:d9:82:68:84:d3:b4
Issuer
CN=Quantum Signal Holdings,O=Quantum Signal Holdings,C=US
Key Usages
KeyUsageDigitalSignature
Ext Key Usages
ExtKeyUsageCodeSigning
Timespan
Sep 24, 2026 - Oct 1, 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 2026 1,O=DigiCert\, Inc.,C=US
Serial Number
08:4f:dc:33:4f:7e:45:4e:db:c3:0f:8f:f9:92:18:35
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
Aug 5, 2026 - Nov 4, 2037
Minor OS version
1
Major OS version
6
Entry point
395296
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
PDB paths
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Name
.text
Size
5.1MB
Virtual Size
5.1MB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.rdata
Size
7.5MB
Virtual Size
7.5MB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.data
Size
96KB
Virtual Size
463KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.idata
Size
1KB
Virtual Size
1KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.reloc
Size
12KB
Virtual Size
12KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
.symtab
Size
103KB
Virtual Size
102KB
Characteristics
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ