Analysis

  • max time kernel
    300s
  • max time network
    301s
  • platform
    windows10-1703_x64
  • resource
    win10-20231215-en
  • resource tags

    arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
  • submitted
    31-12-2023 22:23

General

  • Target

    50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe

  • Size

    6.4MB

  • MD5

    2eafb4926d78feb0b61d5b995d0fe6ee

  • SHA1

    f6e75678f1dafcb18408452ea948b9ad51b5d83e

  • SHA256

    50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30

  • SHA512

    1885f5874c44a6841be4d53140ad63304e8d1924bb98fe14602d884fbc289ec8913db772a9e2db93e45298d1328700e2000ddab109af3964eaf6f23af61ef78e

  • SSDEEP

    196608:1pznZ/ySos+NnrlQ5jrNoIgDJ0I6x/oAP:1pDZk9LQ5vNdeJ0IC

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 20 IoCs
  • Creates new service(s) 1 TTPs
  • Stops running service(s) 3 TTPs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe
    "C:\Users\Admin\AppData\Local\Temp\50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:464
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "FLWCUERA"
      2⤵
      • Launches sc.exe
      PID:4620
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "FLWCUERA" binpath= "C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe" start= "auto"
      2⤵
      • Launches sc.exe
      PID:4420
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:2456
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "FLWCUERA"
      2⤵
      • Launches sc.exe
      PID:2116
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:2476
    • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe
      C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe
      1⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:1448
        • C:\Windows\system32\conhost.exe
          conhost.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4652

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe

        Filesize

        5.4MB

        MD5

        a6cbe1c9f331a49e4c1ce73f11d66e1d

        SHA1

        0459ae7e6aa768f319e5c726f9957fe778a6f871

        SHA256

        9d99c36fa028d504b8e687ea8cfe382d4c2457b51153d3affe8e73894b75c5b2

        SHA512

        1ddb64349924ca5df9d3cba53319bacea4b26c8643f92fbc21729fbe0ed3c5bb50fd96e74bf4f06141037a261096683e3bb2bb771d536de10880ffd8d85b37e2

      • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe

        Filesize

        6.4MB

        MD5

        2eafb4926d78feb0b61d5b995d0fe6ee

        SHA1

        f6e75678f1dafcb18408452ea948b9ad51b5d83e

        SHA256

        50b50beee2174d403ddba91f4f0b13d8e754ed2f979ad7c60baeb6617249bb30

        SHA512

        1885f5874c44a6841be4d53140ad63304e8d1924bb98fe14602d884fbc289ec8913db772a9e2db93e45298d1328700e2000ddab109af3964eaf6f23af61ef78e

      • memory/464-0-0x00007FF67FC50000-0x00007FF68068D000-memory.dmp

        Filesize

        10.2MB

      • memory/464-2-0x00007FF67FC50000-0x00007FF68068D000-memory.dmp

        Filesize

        10.2MB

      • memory/1448-6-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/1448-9-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/1448-8-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/1448-10-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/1448-7-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/1448-13-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/2164-5-0x00007FF6987A0000-0x00007FF6991DD000-memory.dmp

        Filesize

        10.2MB

      • memory/2164-25-0x00007FF6987A0000-0x00007FF6991DD000-memory.dmp

        Filesize

        10.2MB

      • memory/4652-24-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-31-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-17-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-18-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-19-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-20-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-21-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-22-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-15-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-26-0x000002768F140000-0x000002768F160000-memory.dmp

        Filesize

        128KB

      • memory/4652-14-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-27-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-28-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-29-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-30-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-16-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-34-0x000002768F6F0000-0x000002768F730000-memory.dmp

        Filesize

        256KB

      • memory/4652-35-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-36-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-37-0x000002768F730000-0x000002768F750000-memory.dmp

        Filesize

        128KB

      • memory/4652-38-0x000002768F730000-0x000002768F750000-memory.dmp

        Filesize

        128KB

      • memory/4652-39-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-40-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-41-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-42-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4652-43-0x000002768F740000-0x000002768F760000-memory.dmp

        Filesize

        128KB

      • memory/4652-44-0x000002768F870000-0x000002768F890000-memory.dmp

        Filesize

        128KB

      • memory/4652-45-0x000002768F740000-0x000002768F760000-memory.dmp

        Filesize

        128KB

      • memory/4652-46-0x000002768F870000-0x000002768F890000-memory.dmp

        Filesize

        128KB