Analysis

  • max time kernel
    262s
  • max time network
    334s
  • platform
    windows10-1703_x64
  • resource
    win10-20231215-en
  • resource tags

    arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07-01-2024 22:20

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:3628
    • 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:200
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "FLWCUERA"
      2⤵
      • Launches sc.exe
      PID:748
    • 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:4288
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "FLWCUERA"
      2⤵
      • Launches sc.exe
      PID:4204
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:4848
  • 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:1816
    • C:\Windows\system32\conhost.exe
      conhost.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4532
    • C:\Windows\system32\conhost.exe
      C:\Windows\system32\conhost.exe
      2⤵
        PID:4876
    • C:\Windows\system32\choice.exe
      choice /C Y /N /D Y /T 3
      1⤵
        PID:752

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe

        Filesize

        135KB

        MD5

        6204ccdf24b6c08d6a9f899c53237190

        SHA1

        403c7e2e82dcf243ab0d1421b13915c79416ff27

        SHA256

        4973235075cd5b9b3bb6085ad79e8261ddc583c6a45471843cddb9db40b8103b

        SHA512

        2ae8665c02083c14190b5c02a58f7bd679c60e2084916c36115f00975d9680c34b290a94d1fadd96218acd3c327e5b022703f9a6498260771048d5f7655c18f7

      • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe

        Filesize

        92KB

        MD5

        6ce7a1ee93a7109452657215be98b130

        SHA1

        42dd1e150fa1ca3932d7e1a8f2b3f651fc1d42d0

        SHA256

        aa242b991535f631e0612bb6b53baf2cec51e023d2c7d5fc38a479ef81a38d54

        SHA512

        9d9c3dadde8ec279002f7f3be6dc572c546abfa0bd4b342821e25f6bbeb375450d642a77f108fcead47efe0ef4af6ce9d583f728834de7e301e5eb76ce114aa1

      • memory/1816-24-0x00007FF6A3FB0000-0x00007FF6A49ED000-memory.dmp

        Filesize

        10.2MB

      • memory/1816-5-0x00007FF6A3FB0000-0x00007FF6A49ED000-memory.dmp

        Filesize

        10.2MB

      • memory/3628-2-0x00007FF7961B0000-0x00007FF796BED000-memory.dmp

        Filesize

        10.2MB

      • memory/3628-0-0x00007FF7961B0000-0x00007FF796BED000-memory.dmp

        Filesize

        10.2MB

      • memory/4532-36-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-30-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-15-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-16-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-45-0x000001C2B41D0000-0x000001C2B41F0000-memory.dmp

        Filesize

        128KB

      • memory/4532-17-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-46-0x000001C2B41F0000-0x000001C2B4210000-memory.dmp

        Filesize

        128KB

      • memory/4532-18-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-19-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-20-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-21-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-39-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-22-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-42-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-26-0x000001C2B39C0000-0x000001C2B39E0000-memory.dmp

        Filesize

        128KB

      • memory/4532-27-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-29-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-14-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-28-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-31-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-25-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-43-0x000001C2B41D0000-0x000001C2B41F0000-memory.dmp

        Filesize

        128KB

      • memory/4532-34-0x000001C2B4190000-0x000001C2B41D0000-memory.dmp

        Filesize

        256KB

      • memory/4532-35-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-44-0x000001C2B41F0000-0x000001C2B4210000-memory.dmp

        Filesize

        128KB

      • memory/4532-37-0x000001C2B41D0000-0x000001C2B41F0000-memory.dmp

        Filesize

        128KB

      • memory/4532-38-0x000001C2B41D0000-0x000001C2B41F0000-memory.dmp

        Filesize

        128KB

      • memory/4532-40-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4532-41-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4876-10-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4876-13-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4876-6-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4876-7-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4876-8-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4876-9-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB