Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08-02-2024 08:09

General

  • Target

    tmp.exe

  • Size

    1.6MB

  • MD5

    8c281571c5fdaf40aa847d90e5a81075

  • SHA1

    041fa6e79e9027350c1f241375687de7f8cba367

  • SHA256

    0182e73c39240c0e660bbdd4262209f08d767562d4794b7ed5e36a4d4f36b409

  • SHA512

    b0e481681b02e4cc4f95deff2fa21354f94ad34e6611d97de3a127ae285038164df724f3db27bbf03caa217c3d8dabf77bfdadeaf9af8a1915edacbd35c1c862

  • SSDEEP

    24576:+oTMZJmDclvSgPUbKzCT7x31NeeVQjeXCNvVrZb1muw7aYDBE86:gZE4lvqKu7x32eVQiXI5Xmj7te

Malware Config

Extracted

Family

redline

Botnet

@logscloudyt_bot

C2

185.172.128.33:8924

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2376
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Users\Admin\AppData\Roaming\configurationValue\bott.exe
          "C:\Users\Admin\AppData\Roaming\configurationValue\bott.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2684
        • C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe
          "C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe"
          3⤵
          • Drops startup file
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2536
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
            4⤵
            • Executes dropped EXE
            PID:1800
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "RegAsm.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1296
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
              PID:2348

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe

        Filesize

        4KB

        MD5

        a5ce3aba68bdb438e98b1d0c70a3d95c

        SHA1

        013f5aa9057bf0b3c0c24824de9d075434501354

        SHA256

        9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a

        SHA512

        7446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79

      • C:\Users\Admin\AppData\Roaming\configurationValue\STAR.exe

        Filesize

        570KB

        MD5

        ea037914e6f1aa6a8ad565407158d49b

        SHA1

        5fbbd923c0bbcf33fafca5a0ed847c19478856e5

        SHA256

        9deee2315490381305b70eeaff5805df00d10feb9d9f78fbce33b3cd5795ed73

        SHA512

        369943b3ac01a8c89c7d163391e60c2a4f9f616ade5161df8a67e75c490ff4a70b37d4b617675518c924d2fbc07605a37d4f76166da9becefcb4bd5052a69e55

      • C:\Users\Admin\AppData\Roaming\configurationValue\bott.exe

        Filesize

        313KB

        MD5

        753db7d6804f9f27aaf30fe62c00a011

        SHA1

        4c29fef91e4a099c08b90c0aa9f0397fba36d452

        SHA256

        8f09598518b4d2a084e1fe1068c43027fe9e6caed74de0926bdac110a305ac2c

        SHA512

        7ff04ef374e8a97b58f110dbf3451493c2e2644fce3935a6d4107074819d9547ea861c06a2ed24b5d459f41784bcc0be107c920e78310332ca50f3143b7ac830

      • memory/1800-50-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

        Filesize

        9.9MB

      • memory/1800-48-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

        Filesize

        9.9MB

      • memory/1800-47-0x00000000010E0000-0x00000000010E8000-memory.dmp

        Filesize

        32KB

      • memory/2052-1-0x0000000074DE0000-0x00000000754CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2052-8-0x00000000027B0000-0x00000000047B0000-memory.dmp

        Filesize

        32.0MB

      • memory/2052-0-0x0000000001210000-0x00000000013A8000-memory.dmp

        Filesize

        1.6MB

      • memory/2052-18-0x0000000074DE0000-0x00000000754CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2536-38-0x00000000020A0000-0x00000000020E0000-memory.dmp

        Filesize

        256KB

      • memory/2536-35-0x0000000074A30000-0x000000007511E000-memory.dmp

        Filesize

        6.9MB

      • memory/2536-32-0x0000000000B30000-0x0000000000BC4000-memory.dmp

        Filesize

        592KB

      • memory/2536-46-0x0000000074A30000-0x000000007511E000-memory.dmp

        Filesize

        6.9MB

      • memory/2652-9-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/2652-13-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/2652-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2652-19-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/2652-16-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/2652-6-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/2652-5-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/2652-4-0x0000000000400000-0x0000000000592000-memory.dmp

        Filesize

        1.6MB

      • memory/2684-36-0x0000000000070000-0x00000000000C4000-memory.dmp

        Filesize

        336KB

      • memory/2684-37-0x0000000074A30000-0x000000007511E000-memory.dmp

        Filesize

        6.9MB

      • memory/2684-39-0x0000000004C60000-0x0000000004CA0000-memory.dmp

        Filesize

        256KB

      • memory/2684-49-0x0000000074A30000-0x000000007511E000-memory.dmp

        Filesize

        6.9MB