FastClient-Setup[.]exe

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General

Target
FastClient-Setup.exe
Size 26.9MB
Sample260518-dfxvbabt7m
SHA256 855ace69a1addf58c77904f3267889ff7b42073e8ed2a78b470229e67a4dcc37
MD5 8af65bf9d9e2601ffa4b539efbecfe9b
SHA1 543de3d03b9efbae4ec27a008cc10e0375f63196
SHA512 55df3660db10fec2cdd82e2c6157963718f04650890aea29280cc0d91a42e408371c574a611a5066356428b6eee182cb13b7d7ed7617712f27208552dba0cb7c
SSDEEP 786432:soOqwmHCQCM+t+mytqAEcH4+e/3FUTTINB2:sSwECQC7+qAEq1e/qgNo
TLSH
T113573307E4C6CADBC7DCC934B17B994201FC7E1170B7AE291E8A78753251E658F890AB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 5 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/NSISdl.dll
unpack001/$PLUGINSDIR/StartMenu.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsDialogs.dll
unpack001/$PLUGINSDIR/nsis_tauri_utils.dll

File Explorer

FastClient-Setup.exe

.exe 26.9MB
$PLUGINSDIR/NSISdl.dll

.dll 15KB
$PLUGINSDIR/StartMenu.dll

.dll 7KB
$PLUGINSDIR/System.dll

.dll 12KB
$PLUGINSDIR/modern-wizard.bmp

25KB
$PLUGINSDIR/nsDialogs.dll

.dll 9KB
$PLUGINSDIR/nsis_tauri_utils.dll

.dll 32KB
FastClient.exe

.exe 35.5MB
icons/tray-icon.png

.png 4KB

FastClient-Setup.exe

IMPHASH 46ce5c12b293febbeb513b196aa7f843
SHA256 855ace69a1addf58c77904f3267889ff7b42073e8ed2a78b470229e67a4dcc37
MD5 8af65bf9d9e2601ffa4b539efbecfe9b
SHA1 543de3d03b9efbae4ec27a008cc10e0375f63196
SHA512 55df3660db10fec2cdd82e2c6157963718f04650890aea29280cc0d91a42e408371c574a611a5066356428b6eee182cb13b7d7ed7617712f27208552dba0cb7c
SSDEEP 786432:soOqwmHCQCM+t+mytqAEcH4+e/3FUTTINB2:sSwECQC7+qAEq1e/qgNo
TLSH
T113573307E4C6CADBC7DCC934B17B994201FC7E1170B7AE291E8A78753251E658F890AB
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Digest

39:6d:b1:f2:56:5c:b2:c0:61:e1:5b:28:b9:d3:5e:54:3f:bd:9a:ad:af:2e:21:91:eb:78:db:0e:dd:37:b1:53

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

SERIALNUMBER=J2026008005007,CN=2EASY S.R.L.,O=2EASY S.R.L.,L=București,C=RO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302524f

Chains

May 15, 2026

SERIALNUMBER=J2026008005007,CN=2EASY S.R.L.,O=2EASY S.R.L.,L=București,C=RO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302524f

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

SERIALNUMBER=J2026008005007,CN=2EASY S.R.L.,O=2EASY S.R.L.,L=București,C=RO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302524f

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 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

Revocation Status

Not revoked

Timespan

Apr 29, 2021 - Apr 28, 2036

Subject

SERIALNUMBER=J2026008005007,CN=2EASY S.R.L.,O=2EASY S.R.L.,L=București,C=RO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302524f

Serial Number

06:17:01:57:3f:15:12:82:6c:8a:6f:e1:3b:e0:c3:32

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

Feb 24, 2026 - Feb 26, 2027

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

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 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

Minor OS version

Major OS version

Entry point

13983

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

advapi32

RegEnumValueW RegEnumKeyW RegQueryValueExW RegSetValueExW RegCloseKey RegDeleteValueW RegDeleteKeyW AdjustTokenPrivileges LookupPrivilegeValueW OpenProcessToken RegOpenKeyExW RegCreateKeyExW

shell32

SHGetPathFromIDListW SHBrowseForFolderW SHGetFileInfoW SHFileOperationW ShellExecuteExW

ole32

CoCreateInstance OleUninitialize OleInitialize IIDFromString CoTaskMemFree

comctl32

ImageList_Destroy ord17 ImageList_AddMasked ImageList_Create

user32

MessageBoxIndirectW GetDlgItemTextW SetDlgItemTextW CreatePopupMenu AppendMenuW TrackPopupMenu OpenClipboard EmptyClipboard SetClipboardData CloseClipboard IsWindowVisible CallWindowProcW GetMessagePos CheckDlgButton LoadCursorW SetCursor GetSysColor SetWindowPos GetWindowLongW IsWindowEnabled SetClassLongW GetSystemMenu EnableMenuItem GetWindowRect ScreenToClient EndDialog RegisterClassW SystemParametersInfoW CharPrevW GetClassInfoW DialogBoxParamW CharNextW ExitWindowsEx DestroyWindow CreateDialogParamW SetTimer SetWindowTextW PostQuitMessage SetForegroundWindow ShowWindow wsprintfW SendMessageTimeoutW FindWindowExW IsWindow GetDlgItem SetWindowLongW LoadImageW GetDC ReleaseDC EnableWindow InvalidateRect SendMessageW DefWindowProcW BeginPaint GetClientRect FillRect DrawTextW EndPaint CharNextA wsprintfA DispatchMessageW CreateWindowExW PeekMessageW GetSystemMetrics

gdi32

GetDeviceCaps SetBkColor SelectObject DeleteObject CreateBrushIndirect CreateFontIndirectW SetBkMode SetTextColor

kernel32

RemoveDirectoryW lstrcmpiA GetTempFileNameW CreateProcessW CreateDirectoryW CreateThread GlobalLock GlobalUnlock GetDiskFreeSpaceW WideCharToMultiByte lstrcpynW lstrlenW SetErrorMode GetVersionExW GetCommandLineW GetTempPathW GetWindowsDirectoryW SetEnvironmentVariableW CopyFileW WriteFile GetCurrentProcess GetModuleFileNameW GetLastError GetFileSize CreateFileW GetTickCount Sleep SetFileAttributesW GetFileAttributesW SetCurrentDirectoryW MoveFileW GetFullPathNameW GetShortPathNameW SearchPathW CompareFileTime SetFileTime CloseHandle lstrcmpiW lstrcmpW ExpandEnvironmentStringsW GlobalFree GlobalAlloc GetModuleHandleW LoadLibraryExW FreeLibrary WritePrivateProfileStringW GetPrivateProfileStringW lstrlenA MultiByteToWideChar ReadFile SetFilePointer FindClose FindNextFileW FindFirstFileW DeleteFileW MulDiv lstrcpyA MoveFileExW lstrcatW GetSystemDirectoryW GetProcAddress GetModuleHandleA GetExitCodeProcess WaitForSingleObject ExitProcess

$PLUGINSDIR/NSISdl.dll

IMPHASH db80d5e142e716e818b7f4614dcade3c
SHA256 ddf40229dd9d6b268902d8dea88c8a04aacf1af218dd29f6dcd35babc54ac08d
MD5 8eabbe36e8b52e69322780d0f541fd19
SHA1 e5fa3eca8d2035e4fa006b7123c348348e4e6de4
SHA512 4189fabff409be4bc7a8e81be58fb18e32398e4ef4c01a70cf823d79e76f47c4681734808fd61db8728c73d2bcad890b09aa09d5a0f0b0c3ad581be1beaf9ce7
SSDEEP 384:jrSQMCOUILnCaSPy/yhJzmGSMRWyOUKie:jrSQMCOp0yamMRWysie
TLSH
T17B623C16B62084F5DBB2167034D73B3E6BB28F6A1A2848C34BF35C4E9E52307B675D85
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

9321

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH 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_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/StartMenu.dll

IMPHASH 646971a3aef724d6f553f40ae84fe26b
SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
MD5 b9b71990b37e04a56cadbcbfa694f30f
SHA1 3b7627deb793446d6b12b7b94266cc592982a5c2
SHA512 b4aa947aba471ce0ba37ab859391f6a157887c882c920a3081d482f63a83317ae75b428ebae226f835798517abb676114ee42bf13bd4c4291cebbb5e9658f2e5
SSDEEP 96:VIt3J2Gl0eVe0+Cfo0UkXt6+o69UiGdPh5/utta/x3lkCTcaqHCI:ShE+A0+sF6piUFkA1lncviI
TLSH
T1FFF1C776F3D20673F9AB427428632F231B2AF521576581A7890316CE7A61DE3FD34B11
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

6430

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH 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_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/System.dll

IMPHASH 509a34b3a68a773e0afb4259e68f9f82
SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
TLSH
T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

10879

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH 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_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/nsDialogs.dll

IMPHASH 3b477381217c97b22146297f93df2a92
SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
MD5 8f0e7415f33843431df308bb8e06af81
SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
TLSH
T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

7527

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH 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_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/nsis_tauri_utils.dll

IMPHASH e6c3208e90c430388b2da3b455c174ba
SHA256 f3e9b0d43b66fa6b05d2fa4de4547517a3ec0bc0b14de3c349d817465bbf7ab4
MD5 6ebdde247cad8468575f1f2a4d7ae2a2
SHA1 d0c502f45df55c0465c9406088ff016c2e7e6817
SHA512 0b9edf145badd750c115597cb7a11d8f60768396444cb3d449a45afad7c930ea37f31b3aaa37b2fe4902f1ef6679756f3364f37ebe13d1a7e9b5d0340bac5c5a
SSDEEP 768:6vVnRZHrPT4n4d/CryKDuIcrFKpnp0jdhK7R+qV:6vV3Hrc4EJBcZtXIV
TLSH
T1C9E2394CFDC52EBAE2DF05390409557F466FC8081B14DAABD3712E92D5E23326EE522E
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4245

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

nsis_tauri_utils.pdb

FastClient.exe

IMPHASH 19e92565468c514eebcad995d076b363
SHA256 c64e90c62a5425ee1f14bfd427d51a69bbf4a6c8feb2122a1c885eaceefa6ef5
MD5 6d43c8c84528a9be9bff3e9c3647e7be
SHA1 e9bfe83df1f3ce4237f2684f8168cb409a0be32d
SHA512 059c7ac2a1f3d6e381de47e763fe04e5e895b52c14dd5a4eeda43cb3395f34bd97890f93ba24264a6c4e777de55d3efa8c68fa41d430904547cfe8b4987805fb
SSDEEP 786432:cyuUUhcdGgbp3vjsaF9uCZwxIodsygVnc:xMhcdHF3vQQ9uFxRdsLVnc
TLSH
T13287E003F65551E9C06EC175834AA232FBB1BC8947347AEF5BD44B212E29FE06B38749
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Digest

d5:9c:5d:d3:e3:89:48:b2:bf:34:3b:66:d5:d1:f7:e0:99:26:3e:98:c0:ed:ca:d7:1c:25:25:88:78:29:6a:5a

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

SERIALNUMBER=J2026008005007,CN=2EASY S.R.L.,O=2EASY S.R.L.,L=București,C=RO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302524f

Chains

May 15, 2026

SERIALNUMBER=J2026008005007,CN=2EASY S.R.L.,O=2EASY S.R.L.,L=București,C=RO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302524f

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

SERIALNUMBER=J2026008005007,CN=2EASY S.R.L.,O=2EASY S.R.L.,L=București,C=RO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302524f

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 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

Revocation Status

Not revoked

Timespan

Apr 29, 2021 - Apr 28, 2036

Subject

SERIALNUMBER=J2026008005007,CN=2EASY S.R.L.,O=2EASY S.R.L.,L=București,C=RO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302524f

Serial Number

06:17:01:57:3f:15:12:82:6c:8a:6f:e1:3b:e0:c3:32

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

Feb 24, 2026 - Feb 26, 2027

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

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 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

Minor OS version

Major OS version

Entry point

9547444

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

PDB paths

FastClient.pdb

kernel32

DuplicateHandle SetHandleInformation Sleep GetModuleHandleA OutputDebugStringA OutputDebugStringW GetModuleFileNameW LoadLibraryExW FreeLibrary GlobalMemoryStatusEx GetCurrentThreadId SleepConditionVariableSRW GetSystemTimeAsFileTime GetModuleHandleW GetProcAddress IsDebuggerPresent GetCurrentProcess WakeAllConditionVariable AcquireSRWLockExclusive RaiseException FormatMessageW LoadLibraryExA MoveFileExW CreatePipe GetUserDefaultUILanguage LCIDToLocaleName WaitForSingleObject LocalFree GetSystemInfo VirtualQueryEx GetCurrentProcessId GetProcessTimes OpenProcess GetExitCodeProcess GetSystemTimes GetProcessIoCounters GetLastError IsProcessorFeaturePresent RtlPcToFileHeader ReadProcessMemory lstrlenW LoadLibraryA EncodePointer LoadLibraryW CloseHandle TlsAlloc TlsGetValue TlsSetValue TlsFree HeapFree HeapAlloc GetProcessHeap GetTimeZoneInformationForYear SystemTimeToFileTime SystemTimeToTzSpecificLocalTime ReleaseSRWLockExclusive GetFileInformationByHandle GetFileAttributesW CreateFileW ReadFile GetOverlappedResult GetQueuedCompletionStatusEx PostQueuedCompletionStatus SetFileCompletionNotificationModes CreateIoCompletionPort FindFirstVolumeW FindNextVolumeW FindVolumeClose GetVolumePathNamesForVolumeNameW GetDriveTypeW GetVolumeInformationW DeviceIoControl GetDiskFreeSpaceExW CreateEventW SetUnhandledExceptionFilter UnhandledExceptionFilter MultiByteToWideChar WriteConsoleW GetConsoleMode GetConsoleOutputCP CreateWaitableTimerExW SetWaitableTimer WaitForMultipleObjects GetTempPathW InitializeSListHead CreateMutexA WaitForSingleObjectEx WideCharToMultiByte SwitchToThread ExitProcess FindClose FindFirstFileExW CopyFileExW RemoveDirectoryW GetCommandLineW SetEnvironmentVariableW DeleteFileW CreateSymbolicLinkW GetFinalPathNameByHandleW FindNextFileW InitializeCriticalSectionAndSpinCount DeleteCriticalSection K32GetPerformanceInfo GetEnvironmentVariableW CompareStringOrdinal FreeEnvironmentStringsW WriteFileEx SleepEx SetLastError GetFullPathNameW SetFileInformationByHandle SetFileTime HeapReAlloc QueryPerformanceFrequency QueryPerformanceCounter CreateThread ReadFileEx FlushFileBuffers GetSystemTimePreciseAsFileTime CancelIo GetFileInformationByHandleEx GetEnvironmentStringsW GetSystemDirectoryW GetWindowsDirectoryW CreateProcessW GetProcessId TerminateProcess GetStdHandle CreateDirectoryW SetFilePointerEx AddVectoredExceptionHandler SetThreadStackGuarantee GetCurrentThread GetCurrentDirectoryW ReleaseMutex

advapi32

RegCreateKeyTransactedW CopySid GetLengthSid RegQueryValueExW IsValidSid GetTokenInformation OpenProcessToken RegCreateKeyExW RegCloseKey RegOpenKeyExW RegOpenKeyTransactedW RegGetValueW EventUnregister EventWriteTransfer EventSetInformation EventRegister SystemFunction036

oleaut32

SysFreeString SysStringLen SetErrorInfo GetErrorInfo

ntdll

RtlGetVersion NtQuerySystemInformation NtQueryInformationProcess NtReadFile RtlVirtualUnwind RtlCaptureContext RtlLookupFunctionEntry NtWriteFile RtlNtStatusToDosError RtlUnwindEx NtCancelIoFileEx NtCreateFile NtOpenFile NtCreateNamedPipeFile NtDeviceIoControlFile

user32

SetWindowTextW MonitorFromPoint SetForegroundWindow MsgWaitForMultipleObjectsEx RegisterWindowMessageA EnumDisplayMonitors CreateIcon IsWindowVisible GetMenu SetPropW GetKeyState GetAsyncKeyState GetKeyboardState DestroyMenu DrawIconEx MapVirtualKeyExW SystemParametersInfoA GetRawInputData CheckMenuItem DestroyIcon GetDC GetWindowTextW IsProcessDPIAware SetWindowDisplayAffinity IsWindowEnabled RegisterClassExW GetMenuItemInfoW GetForegroundWindow RemoveMenu CreatePopupMenu GetWindowTextLengthW SetWindowLongW SetWindowRgn FindWindowExW GetWindowLongPtrW GetParent SetWindowLongPtrW GetWindowRect EnableMenuItem SetCapture CreateMenu SetMenu DrawMenuBar ReleaseCapture SetMenuItemInfoW AppendMenuW InsertMenuW RegisterRawInputDevices ToUnicodeEx PostQuitMessage ReleaseDC GetMenuBarInfo ShowWindow SetFocus OffsetRect GetWindowDC CreateAcceleratorTableW GetWindow MapWindowPoints DestroyAcceleratorTable SetParent GetSystemMenu EnableWindow SetTimer RegisterTouchWindow IsWindow CreateWindowExW ClipCursor AdjustWindowRectEx FlashWindowEx GetActiveWindow UpdateWindow InvalidateRect SetCursorPos TrackPopupMenu LoadCursorW InvalidateRgn SetWindowPos GetWindowPlacement SetWindowPlacement ChangeDisplaySettingsExW MapVirtualKeyW GetUpdateRect ValidateRect GetMonitorInfoW MonitorFromWindow GetCursorPos MonitorFromRect SetCursor CloseTouchInputHandle GetTouchInputInfo TrackMouseEvent SystemParametersInfoW GetKeyboardLayout FillRect SendInput GetSystemMetrics ClientToScreen GetClientRect GetWindowLongW ScreenToClient KillTimer DefWindowProcW PostThreadMessageW PeekMessageW DispatchMessageW GetMessageW IsIconic RedrawWindow AdjustWindowRect GetClipCursor DispatchMessageA TranslateMessage GetMessageA SendMessageW RegisterClassW TranslateAcceleratorW DrawTextW PostMessageW DestroyWindow ShowCursor EnumChildWindows

api-ms-win-core-synch-l1-2-0

WakeByAddressAll WaitOnAddress WakeByAddressSingle

shell32

SHAppBarMessage ShellExecuteW SHCreateItemFromParsingName SHGetKnownFolderPath DragFinish Shell_NotifyIconGetRect Shell_NotifyIconW DragQueryFileW CommandLineToArgvW ord155 SHOpenFolderAndSelectItems ShellExecuteExW ord190

comctl32

RemoveWindowSubclass TaskDialogIndirect DefSubclassProc SetWindowSubclass

ole32

CoTaskMemAlloc CoTaskMemFree CoInitialize CoInitializeEx RegisterDragDrop OleInitialize CoCreateFreeThreadedMarshaler CoCreateInstance RevokeDragDrop CoUninitialize

gdi32

CreateDIBSection SelectObject DeleteDC GetDeviceCaps CreateCompatibleDC CreateRectRgn CombineRgn BitBlt DeleteObject CreateSolidBrush SetTextColor SetBkMode

dwmapi

DwmSetWindowAttribute DwmGetWindowAttribute DwmEnableBlurBehindWindow

shlwapi

SHCreateMemStream

bcryptprimitives

ProcessPrng

ws2_32

freeaddrinfo WSAStartup WSACleanup select getaddrinfo closesocket getsockname socket WSAGetLastError WSADuplicateSocketW WSAIoctl shutdown listen bind WSASocketW sendto connect ioctlsocket setsockopt send WSASend recv getsockopt accept getpeername

secur32

AcceptSecurityContext EncryptMessage InitializeSecurityContextW FreeContextBuffer DecryptMessage DeleteSecurityContext QueryContextAttributesW FreeCredentialsHandle AcquireCredentialsHandleA ApplyControlToken

crypt32

CertOpenStore CertEnumCertificatesInStore CertCloseStore CertDuplicateCertificateChain CertDuplicateStore CertFreeCertificateContext CertDuplicateCertificateContext CertVerifyCertificateChainPolicy CertGetCertificateChain CertFreeCertificateChain CertAddCertificateContextToStore

pdh

PdhGetFormattedCounterValue PdhCloseQuery PdhOpenQueryA PdhAddEnglishCounterW PdhRemoveCounter PdhEnumObjectsA PdhCollectQueryData

powrprof

CallNtPowerInformation

psapi

GetModuleFileNameExW

bcrypt

BCryptGenRandom

api-ms-win-crt-math-l1-1-0

pow round trunc __setusermatherr floor roundf

api-ms-win-crt-runtime-l1-1-0

abort _wassert _configure_narrow_argv _initialize_narrow_environment _get_initial_narrow_environment _initterm _initterm_e exit _exit terminate __p___argc __p___argv _cexit _c_exit _register_thread_local_exe_atexit_callback _seh_filter_exe _set_app_type _crt_atexit _register_onexit_function _initialize_onexit_table

api-ms-win-crt-heap-l1-1-0

free malloc calloc _set_new_mode _callnewh

api-ms-win-crt-string-l1-1-0

strcmp wcsncat wcscmp strcpy_s _wcsicmp wcslen wcsncmp strlen

api-ms-win-crt-convert-l1-1-0

_wtoi _ultow_s wcstol

api-ms-win-crt-stdio-l1-1-0

__p__commode _set_fmode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Name

.text

Size

9.3MB

Virtual Size

9.3MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

25.8MB

Virtual Size

25.8MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

15KB

Virtual Size

26KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

177KB

Virtual Size

176KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.taubndl

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

133KB

Virtual Size

133KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

61KB

Virtual Size

61KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

FastClient-Setup.exe

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

generic

$PLUGINSDIR/NSISdl.dll

advapi32

wsock32

user32

kernel32

generic

$PLUGINSDIR/StartMenu.dll

kernel32

user32

gdi32

shell32

ole32

generic

$PLUGINSDIR/System.dll

kernel32

user32

ole32

generic

$PLUGINSDIR/modern-wizard.bmp

$PLUGINSDIR/nsDialogs.dll

kernel32

user32

gdi32

shell32

comdlg32

ole32

generic

$PLUGINSDIR/nsis_tauri_utils.dll

kernel32

advapi32

user32

shell32

generic

FastClient.exe

kernel32

advapi32

oleaut32

ntdll

user32

api-ms-win-core-synch-l1-2-0

shell32

comctl32

ole32

gdi32

dwmapi

shlwapi

bcryptprimitives

ws2_32

secur32

crypt32

pdh

powrprof

psapi

bcrypt

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

generic

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