Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2024 01:08

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 16 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 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:4032
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "FLWCUERA"
      2⤵
      • Launches sc.exe
      PID:5560
    • 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:5956
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:5308
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "FLWCUERA"
      2⤵
      • Launches sc.exe
      PID:5252
    • 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:5360
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:2480
    • 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:4140
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:3824
        • C:\Windows\system32\conhost.exe
          conhost.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1408

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe

        Filesize

        2.9MB

        MD5

        b80bcdc0379796ceb862fdcdc710153d

        SHA1

        9a8376f8eecefda3b8c69a036cab7920c0445a93

        SHA256

        4bd6697d8010b90a04486a0ccc27743bf5beb7849a0962c22d00c0dbe941c661

        SHA512

        411d7bd2b05d45ad26e9637dd6777889e1a51b6613b1ea4ccba6bc02b8201df8939e00cf83e99bea646709dc38aeb42e46a4963164e61e625f219934635e9752

      • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe

        Filesize

        2.0MB

        MD5

        5ffcde0b799cb4c5b040022752ea3649

        SHA1

        dbe51533d24881e9afb7c8cdc3e5d55049ee3320

        SHA256

        a9a3fd82ffc55eae7d0c3a0912f71c119cdb46156ac771e24fbdd2d48f87d8b3

        SHA512

        09d3bf6ff1565d8625229f69a11e0379df0b38e8adab47ad80928f98aedafcc120073df6e095ad23501a0941775ba76a2352ac479b88426329ef1e6492a87d8f

      • memory/1408-28-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-16-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-19-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-21-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-35-0x000001D985D20000-0x000001D985D40000-memory.dmp

        Filesize

        128KB

      • memory/1408-34-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-33-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-32-0x000001D985D00000-0x000001D985D20000-memory.dmp

        Filesize

        128KB

      • memory/1408-22-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-14-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-15-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-27-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-17-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-18-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-31-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-36-0x000001D985D20000-0x000001D985D40000-memory.dmp

        Filesize

        128KB

      • memory/1408-30-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-20-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-29-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/1408-26-0x000001D985510000-0x000001D985530000-memory.dmp

        Filesize

        128KB

      • memory/1408-25-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3824-13-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/3824-5-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/3824-10-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/3824-9-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/3824-8-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/3824-7-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4032-0-0x00007FF65FD70000-0x00007FF6607AD000-memory.dmp

        Filesize

        10.2MB

      • memory/4032-2-0x00007FF65FD70000-0x00007FF6607AD000-memory.dmp

        Filesize

        10.2MB

      • memory/4140-24-0x00007FF71DF90000-0x00007FF71E9CD000-memory.dmp

        Filesize

        10.2MB

      • memory/4140-6-0x00007FF71DF90000-0x00007FF71E9CD000-memory.dmp

        Filesize

        10.2MB