Analysis

  • max time kernel
    143s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06/02/2024, 19:40

General

  • Target
    SWIFT TRANSFER.exe
  • Size 1.0MB
  • Sample240206-ydhmtseeb7
  • SHA256 0112a299785ef16cc0d6b84bf084a0122a700788180242afae4dac3b40a2bb50
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Detect Neshta payload 5 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT TRANSFER.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT TRANSFER.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Windows\System32\WINDOW~1\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GuQWhxmyGNWUd.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2204
        • C:\Windows\SysWOW64\WINDOW~1\v1.0\powershell.exe
          C:\Windows\System32\WINDOW~1\v1.0\powershell.exe Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Roaming\GuQWhxmyGNWUd.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1708
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GuQWhxmyGNWUd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D36.tmp"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\System32\schtasks.exe /Create /TN Updates\GuQWhxmyGNWUd /XML C:\Users\Admin\AppData\Local\Temp\tmp4D36.tmp
          4⤵
          • Creates scheduled task(s)
          PID:2800
      • C:\Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1868

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        dwtrig20.exe

        • Path C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
        • Size 326KB
        • SHA256 7b30dc0632ac2ef42e7cefbf83c516a9105b2957b643ca2f6ebf642a52848ee9
        • MD5 SHA1 SHA512 SSDEEP

        SWIFT TRANSFER.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe
        • Size 294KB
        • SHA256 6939ac00b60649fe9508fd34837eec3fb1ba44e8614a1766a052bd3516f28634
        • MD5 SHA1 SHA512 SSDEEP

        SWIFT TRANSFER.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe
        • Size 258KB
        • SHA256 175cdfae110aad8de9758322f5c5f35c2a5524d6cf532397f161baf0e947eafd
        • MD5 SHA1 SHA512 SSDEEP

        SWIFT TRANSFER.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe
        • Size 227KB
        • SHA256 da6ca73dc657690216e1450c91dea065b6b08966405b77a35d202e9c1bc31c48
        • MD5 SHA1 SHA512 SSDEEP

        tmp5023.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5023.tmp
        • Size 8B
        • SHA256 99f0dd3bdf422718adf2e670b954e7cbd23d0d8a260f948bd617e64bf61770e5
        • MD5 SHA1 SHA512

        directx.sys

        • Path C:\Windows\directx.sys
        • Size 100B
        • SHA256 cff4281a6e1d2e078e19af68851b756ceb0371538c83ea3f027cd58bb98cc3f4
        • MD5 SHA1 SHA512

        directx.sys

        • Path C:\Windows\directx.sys
        • Size 84B
        • SHA256 da1f1df88b7c2e8c5634c1d03f8f556a0a5f6f939ed5743b55bc8f41b565130e
        • MD5 SHA1 SHA512

        svchost.com

        • Path C:\Windows\svchost.com
        • Size 40KB
        • SHA256 f2da19edfd2d7adb438eb4042cea781d546a07d2f9c36200202e3f37baa38935
        • MD5 SHA1 SHA512 SSDEEP

        LOGTRA~1.EXE

        • Path \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
        • Size 124KB
        • SHA256 f139ad8b66d19ba1240ff318ba2913ddbdc5df28702e9574a174fa99a57a3e85
        • MD5 SHA1 SHA512 SSDEEP

        SWIFT TRANSFER.exe

        • Path \Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe
        • Size 977KB
        • SHA256 fce9a966c732f6a9f164b4f5b35a39b79915adfaa94ca669105985f2a044bcf8
        • MD5 SHA1 SHA512 SSDEEP

        SWIFT TRANSFER.exe

        • Path \Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe
        • Size 1016KB
        • SHA256 e243f9678f50e9be30a9a65971da27b36470bb27568707edcb87a06fffb3e99a
        • MD5 SHA1 SHA512 SSDEEP

        SWIFT TRANSFER.exe

        • Path \Users\Admin\AppData\Local\Temp\3582-490\SWIFT TRANSFER.exe
        • Size 591KB
        • SHA256 17a7e2f443129b0445bf99a0389c770a249a2a10545aa5874a3d25355b0cecbc
        • MD5 SHA1 SHA512 SSDEEP

        memory/1284-118-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1708-143-0x000000006DFF0000-0x000000006E59B000-memory.dmp

        memory/1708-138-0x000000006DFF0000-0x000000006E59B000-memory.dmp

        memory/1708-139-0x0000000002950000-0x0000000002990000-memory.dmp

        memory/1708-140-0x000000006DFF0000-0x000000006E59B000-memory.dmp

        memory/1708-141-0x0000000002950000-0x0000000002990000-memory.dmp

        memory/1708-142-0x0000000002950000-0x0000000002990000-memory.dmp

        memory/1868-121-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1868-127-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/1868-125-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1868-134-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1868-144-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1868-129-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1868-123-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/2204-110-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2400-16-0x0000000074430000-0x0000000074B1E000-memory.dmp

        memory/2400-15-0x0000000000A50000-0x0000000000B54000-memory.dmp

        memory/2400-17-0x0000000004E00000-0x0000000004E40000-memory.dmp

        memory/2400-95-0x0000000005D10000-0x0000000005DB8000-memory.dmp

        memory/2400-94-0x00000000004E0000-0x00000000004EE000-memory.dmp

        memory/2400-93-0x00000000004D0000-0x00000000004DA000-memory.dmp

        memory/2400-51-0x0000000000350000-0x0000000000364000-memory.dmp

        memory/2400-136-0x0000000074430000-0x0000000074B1E000-memory.dmp

        memory/2956-92-0x0000000000400000-0x000000000041B000-memory.dmp