Analysis

  • max time kernel
    44s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 10:52

General

  • Target

    updater.msi

  • Size

    8.3MB

  • MD5

    4b274f5177add19e1354e8ce7bc018de

  • SHA1

    80b5ce160232d37407a4888860be4bccc019b27a

  • SHA256

    a8c50ffe3602a16f747b8b19fb51883f25aa6d9f53f9f2c8fd73e0f6bda4218f

  • SHA512

    9c7cea2671ef94954ba751160167486c4651511a519f2413683626f791b485d259399cfd880ec15b5618dc9ad64305db1d2d0299bd0f5fe8c6db21c51494ff18

  • SSDEEP

    98304:VkIe+YjNoLRunRYsIdn3dZYs2cKkFPOlzBIlq8mBE9cl1C8XPS99:hdIQRunq3jymc8GzC8Xqv

Score
10/10

Malware Config

Extracted

Family

lumma

C2

http://zamesblack.fun/api

https://zamesblack.fun/api

Signatures

  • Detect Lumma Stealer payload V4 5 IoCs
  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\updater.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4472
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5A102B469E218063C83186566DC04841
      2⤵
      • Loads dropped DLL
      PID:4288
    • C:\Users\Admin\AppData\Local\Temp\ipconfig\CSVed.exe
      "C:\Users\Admin\AppData\Local\Temp\ipconfig\CSVed.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        3⤵
          PID:3892
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2140

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Config.Msi\e575df2.rbs

        Filesize

        1KB

        MD5

        71392ec1a206ed3f36b7f7654b6be4d0

        SHA1

        8f2e809b91459897e259e43b64637ffbb570e07b

        SHA256

        d2daa99568df0b02fd9fd7f3a0a3dbc0af5a3fc713958e6ab003275de3196cdc

        SHA512

        cb07081e1a235be9ae6ca8c66eb1ce280b659b5dfb134e5b0218552bf7d4708f6ea886f4fedf79991dacc616f19eb1b2d7a877d94ec64e6f4785e6cea9e358c9

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TMWGKKVJ\api[1]

        Filesize

        5B

        MD5

        fda44910deb1a460be4ac5d56d61d837

        SHA1

        f6d0c643351580307b2eaa6a7560e76965496bc7

        SHA256

        933b971c6388d594a23fa1559825db5bec8ade2db1240aa8fc9d0c684949e8c9

        SHA512

        57dda9aa7c29f960cd7948a4e4567844d3289fa729e9e388e7f4edcbdf16bf6a94536598b4f9ff8942849f1f96bd3c00bc24a75e748a36fbf2a145f63bf904c1

      • C:\Users\Admin\AppData\Local\Temp\ipconfig\CSVed.exe

        Filesize

        5.8MB

        MD5

        04588403a23993589c515bd7dbb15136

        SHA1

        e6b98023299f2b5cbb8b47f13b7dc5d48359ab4b

        SHA256

        74639228e93237eb1a22310a5d042ce1ab39609c905607dd1536d7385ae5b222

        SHA512

        2eb00f9755b819beff56e0a396746cb2e5681db475c4abb664b5bd90c5022c988de1b42643eff0017a458616529c8039cd85a4e1702c0fe10f8e0af83e4d8897

      • C:\Windows\Installer\MSI5FD3.tmp

        Filesize

        719KB

        MD5

        89f70b588a48793450dd603b6cd4096f

        SHA1

        9b6509c031856c715d62853c4e93efbdf48d5aeb

        SHA256

        066c52ed8ebf63a33ab8290b7c58d0c13f79c14faa8bf12b1b41f643d3ebe281

        SHA512

        fb04c530430eea6149fd7216f64751e641394a66c0cb222f70c29361baa621a78f906e0adff19bd4cbe5de69edcea7e40bff7c2e068fd4dbd057ca6494db861a

      • memory/1480-48-0x0000000005980000-0x0000000005990000-memory.dmp

        Filesize

        64KB

      • memory/1480-51-0x0000000005F50000-0x0000000005F9C000-memory.dmp

        Filesize

        304KB

      • memory/1480-42-0x0000000072CE0000-0x0000000073490000-memory.dmp

        Filesize

        7.7MB

      • memory/1480-43-0x0000000005B50000-0x0000000005D14000-memory.dmp

        Filesize

        1.8MB

      • memory/1480-44-0x0000000000400000-0x00000000009D6000-memory.dmp

        Filesize

        5.8MB

      • memory/1480-45-0x0000000005980000-0x0000000005990000-memory.dmp

        Filesize

        64KB

      • memory/1480-46-0x0000000005980000-0x0000000005990000-memory.dmp

        Filesize

        64KB

      • memory/1480-47-0x0000000005A90000-0x0000000005B22000-memory.dmp

        Filesize

        584KB

      • memory/1480-39-0x0000000002B50000-0x0000000002D13000-memory.dmp

        Filesize

        1.8MB

      • memory/1480-49-0x0000000005D10000-0x0000000005D8A000-memory.dmp

        Filesize

        488KB

      • memory/1480-50-0x0000000005ED0000-0x0000000005F48000-memory.dmp

        Filesize

        480KB

      • memory/1480-40-0x0000000002B50000-0x0000000002D13000-memory.dmp

        Filesize

        1.8MB

      • memory/1480-53-0x0000000005FB0000-0x0000000006554000-memory.dmp

        Filesize

        5.6MB

      • memory/1480-38-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

        Filesize

        4KB

      • memory/1480-56-0x0000000002B50000-0x0000000002D13000-memory.dmp

        Filesize

        1.8MB

      • memory/1480-61-0x0000000072CE0000-0x0000000073490000-memory.dmp

        Filesize

        7.7MB

      • memory/3892-60-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/3892-57-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/3892-62-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/3892-54-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/3892-80-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB