Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 16:40

General

  • Target

    3c47d4d72a38e9bc6761e47d9e0e51429f2c67ffdd939c07a664efe29c9cd5e8.exe

  • Size

    884KB

  • MD5

    aee5889d7a6e3bb9b8e7d8989b2b4bdd

  • SHA1

    12567494309369bb902bf4d13f66a6c57ff6149d

  • SHA256

    3c47d4d72a38e9bc6761e47d9e0e51429f2c67ffdd939c07a664efe29c9cd5e8

  • SHA512

    2e85c20244c3a51c762076fedcacb87c32af1702da61c1db00889736781c64eaaf03dc44dd9f6219155886bf899a90f17db1ee49ef29c6b035f4b1d5dc6f316c

  • SSDEEP

    24576:Yya3DjTupxvL1Y8/4+oT0NHxlU7ppd0dm:fa3DjTup5e8g30ofk

Malware Config

Extracted

Family

redline

Botnet

gigant

C2

77.91.124.55:19071

Signatures

  • Detect Mystic stealer payload 3 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c47d4d72a38e9bc6761e47d9e0e51429f2c67ffdd939c07a664efe29c9cd5e8.exe
    "C:\Users\Admin\AppData\Local\Temp\3c47d4d72a38e9bc6761e47d9e0e51429f2c67ffdd939c07a664efe29c9cd5e8.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vb2Nb0zR.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vb2Nb0zR.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eq4yI0eE.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eq4yI0eE.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1mr53WH1.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1mr53WH1.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4284
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
              PID:2364
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 152
              5⤵
              • Program crash
              PID:2556
          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2QR966ET.exe
            C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2QR966ET.exe
            4⤵
            • Executes dropped EXE
            PID:2032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4284 -ip 4284
      1⤵
        PID:1332

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vb2Nb0zR.exe

        Filesize

        590KB

        MD5

        b35f3858aa1170e2f95ec1c4b3261bd6

        SHA1

        a039c19ce6e7b23eb63f353612f0d50e8ad8bf3a

        SHA256

        271c94f6bca64d703ef5ac1bc9fabf62fa9450877570b9aa432be14bea668801

        SHA512

        169195a7b28112c54ba7e5056a9c56bacfc786abdcd0ba394c6f479e603ed447e239013aec15e82d78390c0a4e38760c582b43053570d5e3e35b74451722d586

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eq4yI0eE.exe

        Filesize

        417KB

        MD5

        e5b8819ec3bfdb4f9d0d1660cfd09f33

        SHA1

        83e4326fd253165d1e82bfe1cf437a53d4f1f4e0

        SHA256

        6dc9cfd058ef5ddbcfeee6c32e8c6d968cfba7b8a78a020fa30abd612bd964f4

        SHA512

        25f55829bc69303fda0e0d3fdf4bad33c5c85b40ff6690fce48396a77c7e4256390d09bb48b375568b4556aca1bb498edf09596efade7c2fc1a5260c5583e298

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1mr53WH1.exe

        Filesize

        378KB

        MD5

        f0831f173733de08511f3a0739f278a6

        SHA1

        06dc809d653c5d2c97386084ae13b50a73eb5b60

        SHA256

        8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

        SHA512

        19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2QR966ET.exe

        Filesize

        231KB

        MD5

        0ba419dcb5dbcc474a6fa77ebee93be4

        SHA1

        060e768553a44694e4ac882ec96f5d309c47645c

        SHA256

        0aa9c3d925b98c3a3b242a22f44dc5e0a194b397b1aebd621265273b93b3d965

        SHA512

        e07cec9203fd002e2e51cb85c571bf164540cf46e0510d23aeb8a1dcbe31bb862f4fb8a8d842e0f3cbe228164dec2087f7213f5fc1af36607f2c1863a1e126fe

      • memory/2032-33-0x0000000007EB0000-0x0000000007FBA000-memory.dmp

        Filesize

        1.0MB

      • memory/2032-28-0x00000000005A0000-0x00000000005DE000-memory.dmp

        Filesize

        248KB

      • memory/2032-29-0x0000000007900000-0x0000000007EA4000-memory.dmp

        Filesize

        5.6MB

      • memory/2032-30-0x0000000007350000-0x00000000073E2000-memory.dmp

        Filesize

        584KB

      • memory/2032-31-0x00000000049A0000-0x00000000049AA000-memory.dmp

        Filesize

        40KB

      • memory/2032-32-0x00000000084D0000-0x0000000008AE8000-memory.dmp

        Filesize

        6.1MB

      • memory/2032-34-0x00000000074B0000-0x00000000074C2000-memory.dmp

        Filesize

        72KB

      • memory/2032-35-0x0000000007510000-0x000000000754C000-memory.dmp

        Filesize

        240KB

      • memory/2032-36-0x0000000007790000-0x00000000077DC000-memory.dmp

        Filesize

        304KB

      • memory/2364-24-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2364-23-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/2364-21-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB