Usdt-flash-sender-v2.0.zip
- SHA256 131e4de7887d975b5ceda20a365506a5336a87fcbfc81a41089b0f190ca25467
Behavioral task
behavioral1
Sample
Usdt-flasher.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
Usdt-flasher.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
13 signatures
150 seconds
General
- Target Usdt-flash-sender-v2.0.zip
- Size 2.5MB
- Sample260928-nfmdpasdlc
- SHA256 131e4de7887d975b5ceda20a365506a5336a87fcbfc81a41089b0f190ca25467
- MD5 58e2dce7d2d66e42e17e8c61263002a1
- SHA1 f81e901e222483f779aeb9b4add4bc1f57fbacdc
- SHA512 378955d3dd4ccade555c8c6370d48179d1c814339619904ead947eb7c03dec17ba5f7183a962e4b44c7d8f7791f49002ec547e498b1c117c616627d24b464de3
- SSDEEP 49152:iRz6KkwrnaRemhxe4CLNIKA77llGdX8wkW5FFrc+o0O1QUmZi8BYkimZklGxRx2:ioRjsLNIxb+75FFrc5086i8BYkimZklv
- TLSH T15CC533DD3006C8E8DFD430F9D5990BAB33F276F9548538D0C989169CB6B835BA6D8C42
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- Codesign digest Mismatch 1 IoCs
File was altered after it was signed.
resource unpack001/Usdt-flasher.exe - Inno Setup is an open-source installation builder for Windows applications. 1 IoCs
Inno Setup installer
resource yara_rule static1/unpack001/Usdt-flasher.exe innosetup
File Explorer
-
Usdt-flash-sender-v2.0.zip.zip 2.5MB
-
Usdt-flasher.exe.exe 12.0MB
Usdt-flasher.exe
- IMPHASH efd455830ba918de67076b7c65d86586
- SHA256 426e2ae7a21506e8d56493739f6e9c5afaf6018c505ee63371763624c75425fa
- MD5 fef56b4dd93563a99be35d50d67a14c2
- SHA1 d9418807d31ee7456d1cf7657e5089888e17a802
- SHA512 be0bff1d5a203b5819e9c016c31926e1f241d9a1583c7475e493fb0e0f61579e1cc0e116273eed54ebf779697bc38c2e879b9d6272fb03a82f8eb4eab358411d
- SSDEEP 98304:WxHXSz5qLNaVacVlFF1iD4Iqi+BOeg+1klG3VR:WSzsNaMwBBZNA/qR
- TLSH T1DCC6F12372CB603FF0BE4A364AB7D222553B7B6169124C66DBE8086CCF251D41E3F646
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Codesign digest Mismatch
File was altered after it was signed.
-
Inno Setup is an open-source installation builder for Windows applications.
Inno Setup installer
PE Signature issue
Digest
a6:71:3e:77:85:69:b4:ba:45:bc:63:77:c7:f5:30:6f:f6:07:1a:94:87:83:d5:e7:e0:e4:bc:17:52:3f:72:69
Digest Algorithm
sha256
PE Digests Matches
Not matched
Trusted
Signing Certificate
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Chains
May 3, 2025
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
PE Signature issue
Digest
a6:71:3e:77:85:69:b4:ba:45:bc:63:77:c7:f5:30:6f:f6:07:1a:94:87:83:d5:e7:e0:e4:bc:17:52:3f:72:69
Digest Algorithm
sha256
PE Digests Matches
Not matched
Trusted
Signing Certificate
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Chains
Jun 28, 2025
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Subject
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Serial Number
33:00:00:05:a6:58:10:67:4b:3d:6c:7c:f6:00:00:00:00:05:a6
Issuer
CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Ext Key Usages
ExtKeyUsageCodeSigning
Revocation Status
Not revoked
Timespan
Aug 22, 2024 - Jul 5, 2025
Subject
CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Serial Number
61:0c:52:4c:00:00:00:00:00:03
Issuer
CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Key Usages
KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign
Revocation Status
Not revoked
Timespan
Jul 6, 2010 - Jul 6, 2025
Subject
CN=Certum Timestamp 2025,O=Asseco Data Systems S.A.,C=PL
Serial Number
9e:9c:04:f6:55:a8:b4:a7:02:6d:49:8c:6c:78:8d:aa
Issuer
CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL
Key Usages
KeyUsageDigitalSignature
Ext Key Usages
ExtKeyUsageTimeStamping
Revocation Status
Not revoked
Timespan
Jan 9, 2025 - Jan 7, 2036
Subject
CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL
Serial Number
e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87
Issuer
CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL
Key Usages
KeyUsageCertSign, KeyUsageCRLSign
Ext Key Usages
ExtKeyUsageTimeStamping
Revocation Status
Not revoked
Timespan
May 19, 2021 - May 18, 2036
Subject
CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL
Serial Number
1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27
Issuer
CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL
Key Usages
KeyUsageCertSign, KeyUsageCRLSign
Revocation Status
Not revoked
Timespan
May 31, 2021 - Sep 17, 2029
Subject
CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Serial Number
33:00:00:03:fd:36:44:39:73:0d:dc:02:28:00:00:00:00:03:fd
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
Aug 22, 2024 - Aug 20, 2025
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=Microsoft Time-Stamp Service,OU=Microsoft Ireland Operations Limited+OU=nShield TSS ESN:591A-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Serial Number
33:00:00:01:f4:17:46:85:c0:cb:3f:39:e5:00:01:00:00:01:f4
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
Jul 25, 2024 - Oct 22, 2025
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
1
Major OS version
6
Entry point
708576
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
PDB paths
kernel32
GetACP
GetExitCodeProcess
CloseHandle
LocalFree
SizeofResource
VirtualProtect
QueryPerformanceFrequency
VirtualFree
GetFullPathNameW
GetProcessHeap
ExitProcess
HeapAlloc
GetCPInfoExW
RtlUnwind
GetCPInfo
GetStdHandle
GetModuleHandleW
FreeLibrary
HeapDestroy
ReadFile
CreateProcessW
GetLastError
GetModuleFileNameW
SetLastError
FindResourceW
CreateThread
CompareStringW
LoadLibraryA
ResetEvent
GetVolumeInformationW
GetVersion
GetDriveTypeW
RaiseException
FormatMessageW
SwitchToThread
GetExitCodeThread
GetCurrentThread
LoadLibraryExW
LockResource
GetCurrentThreadId
UnhandledExceptionFilter
VirtualQuery
VirtualQueryEx
Sleep
EnterCriticalSection
SetFilePointer
LoadResource
SuspendThread
GetTickCount
GetFileSize
GetStartupInfoW
GetFileAttributesW
InitializeCriticalSection
GetSystemWindowsDirectoryW
GetThreadPriority
SetThreadPriority
GetCurrentProcess
VirtualAlloc
GetCommandLineW
GetSystemInfo
LeaveCriticalSection
GetProcAddress
ResumeThread
GetVersionExW
VerifyVersionInfoW
HeapCreate
GetWindowsDirectoryW
LCMapStringW
VerSetConditionMask
GetDiskFreeSpaceW
FindFirstFileW
GetUserDefaultUILanguage
lstrlenW
QueryPerformanceCounter
SetEndOfFile
HeapFree
WideCharToMultiByte
FindClose
MultiByteToWideChar
LoadLibraryW
SetEvent
CreateFileW
GetLocaleInfoW
GetSystemDirectoryW
DeleteFileW
GetLocalTime
GetEnvironmentVariableW
WaitForSingleObject
WriteFile
ExitThread
DeleteCriticalSection
TlsGetValue
GetDateFormatW
SetErrorMode
IsValidLocale
TlsSetValue
CreateDirectoryW
GetSystemDefaultUILanguage
EnumCalendarInfoW
LocalAlloc
GetUserDefaultLangID
RemoveDirectoryW
CreateEventW
SetThreadLocale
GetThreadLocale
comctl32
InitCommonControls
user32
CreateWindowExW
TranslateMessage
CharLowerBuffW
CallWindowProcW
CharUpperW
PeekMessageW
GetSystemMetrics
SetWindowLongW
MessageBoxW
DestroyWindow
CharUpperBuffW
CharNextW
MsgWaitForMultipleObjects
LoadStringW
ExitWindowsEx
DispatchMessageW
oleaut32
SafeArrayPutElement
VariantInit
VariantClear
SysFreeString
SafeArrayAccessData
SysReAllocStringLen
SafeArrayCreate
SafeArrayGetElement
SysAllocStringLen
SafeArrayUnaccessData
SafeArrayPtrOfIndex
VariantCopy
SafeArrayGetUBound
SafeArrayGetLBound
VariantChangeType
advapi32
ConvertStringSecurityDescriptorToSecurityDescriptorW
OpenThreadToken
AdjustTokenPrivileges
LookupPrivilegeValueW
RegOpenKeyExW
OpenProcessToken
FreeSid
AllocateAndInitializeSid
EqualSid
RegQueryValueExW
GetTokenInformation
ConvertSidToStringSidW
RegCloseKey
__dbk_fcall_wrapper
dbkFCallWrapperAddr
Name
.text
Size
682KB
Virtual Size
681KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.itext
Size
6KB
Virtual Size
5KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.data
Size
15KB
Virtual Size
14KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.bss
Size
Virtual Size
28KB
Characteristics
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.idata
Size
4KB
Virtual Size
4KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.didata
Size
512B
Virtual Size
420B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.edata
Size
512B
Virtual Size
113B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.tls
Size
Virtual Size
24B
Characteristics
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.rdata
Size
512B
Virtual Size
93B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.reloc
Size
69KB
Virtual Size
68KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
.rsrc
Size
15KB
Virtual Size
14KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ