Analysis

  • max time kernel
    84s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2024 03:36

General

  • Target

    MultiChecker by injuankanal.exe

  • Size

    86.0MB

  • MD5

    babe3da3eb741b6ed3ff61ff17e9b03a

  • SHA1

    a71a4e3efe15498ab248eaddf09241bea80330a0

  • SHA256

    f1b5484e2de6dd07f9d05819e5e969256cd18df1c96c794a9c0377c4ec177ffe

  • SHA512

    1d1fe46ab9132a0ea92183de92d1e80b65cb06ed9bb4754b92b8ea8e98f7e3392cb74179d4125fcf9e0cf9fb1b3dd302115f155ef0973cbd9ec3d8e31da7cf14

  • SSDEEP

    6144:lDKW1Fgbdl0TBBvjc/tebqa/95xaT390+8Jb1kek5H0usk7V1f7E:dh1Fk70TnvjcVNa15xaT39AbWeaUAD

Malware Config

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • .NET Reactor proctector 3 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • 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
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 56 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MultiChecker by injuankanal.exe
    "C:\Users\Admin\AppData\Local\Temp\MultiChecker by injuankanal.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4844
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4740
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3832
    • C:\Windows\System32\rrokzr.exe
      "C:\Windows\System32\rrokzr.exe"
      1⤵
        PID:4424

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1828-0-0x00000000745B0000-0x0000000074D60000-memory.dmp

        Filesize

        7.7MB

      • memory/1828-2-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

        Filesize

        64KB

      • memory/1828-12-0x00000000745B0000-0x0000000074D60000-memory.dmp

        Filesize

        7.7MB

      • memory/1828-3-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

        Filesize

        64KB

      • memory/1828-4-0x0000000004BC0000-0x0000000005164000-memory.dmp

        Filesize

        5.6MB

      • memory/1828-5-0x0000000004B20000-0x0000000004B5E000-memory.dmp

        Filesize

        248KB

      • memory/1828-1-0x00000000025D0000-0x0000000002610000-memory.dmp

        Filesize

        256KB

      • memory/1828-10-0x00000000026A0000-0x00000000046A0000-memory.dmp

        Filesize

        32.0MB

      • memory/4740-29-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-41-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-40-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-39-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-37-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-38-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-36-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-35-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-31-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4740-30-0x000002174D5C0000-0x000002174D5C1000-memory.dmp

        Filesize

        4KB

      • memory/4844-13-0x00000000745B0000-0x0000000074D60000-memory.dmp

        Filesize

        7.7MB

      • memory/4844-23-0x0000000006CA0000-0x0000000006CBE000-memory.dmp

        Filesize

        120KB

      • memory/4844-24-0x0000000007570000-0x0000000007732000-memory.dmp

        Filesize

        1.8MB

      • memory/4844-25-0x0000000007C70000-0x000000000819C000-memory.dmp

        Filesize

        5.2MB

      • memory/4844-26-0x0000000006EC0000-0x0000000006F10000-memory.dmp

        Filesize

        320KB

      • memory/4844-28-0x00000000745B0000-0x0000000074D60000-memory.dmp

        Filesize

        7.7MB

      • memory/4844-22-0x0000000006970000-0x0000000006A02000-memory.dmp

        Filesize

        584KB

      • memory/4844-21-0x0000000006850000-0x00000000068C6000-memory.dmp

        Filesize

        472KB

      • memory/4844-20-0x00000000058D0000-0x0000000005936000-memory.dmp

        Filesize

        408KB

      • memory/4844-19-0x0000000005520000-0x000000000556C000-memory.dmp

        Filesize

        304KB

      • memory/4844-18-0x00000000054A0000-0x00000000054DC000-memory.dmp

        Filesize

        240KB

      • memory/4844-17-0x0000000005630000-0x000000000573A000-memory.dmp

        Filesize

        1.0MB

      • memory/4844-16-0x0000000005440000-0x0000000005452000-memory.dmp

        Filesize

        72KB

      • memory/4844-15-0x0000000005B40000-0x0000000006158000-memory.dmp

        Filesize

        6.1MB

      • memory/4844-14-0x0000000005510000-0x0000000005520000-memory.dmp

        Filesize

        64KB

      • memory/4844-8-0x0000000000400000-0x000000000042E000-memory.dmp

        Filesize

        184KB