Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-02-2024 09:57

General

  • Target

    tmp.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 behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3000
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "FLWCUERA"
      2⤵
      • Launches sc.exe
      PID:452
    • 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:764
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:4828
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "FLWCUERA"
      2⤵
      • Launches sc.exe
      PID:5004
    • 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\tmp.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3524
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:2448
    • 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:992
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:4960
        • C:\Windows\system32\conhost.exe
          conhost.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3680

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe

        Filesize

        1.4MB

        MD5

        70bb4dfd6258a6190def3632247e7ccc

        SHA1

        2b7290882f1827724993e2faa26d1416eeb2ba5c

        SHA256

        8a53a7bab097ebc36b2aa777d36bda4bf5573f9b482afbdaa6946600ba15758c

        SHA512

        ec3245e589f9ed0a31ae53d6ba780c8e6e225771e4d8373974d6209959e411d836b95a7cbb762ebc4b9f6636235b0885c97023db142484c4651724afe8396af5

      • C:\ProgramData\eyfisgalqlbk\iojmibhyhiws.exe

        Filesize

        1.3MB

        MD5

        4a8a99b09b6631a7a810bf98de30f44b

        SHA1

        5a87c74a1705d6dd84cb010f69f85358f3195eca

        SHA256

        8f0d9fd9de058324f8e3d11c8d8be9823fc7ef5682c59199c3ca1fd4a39c7de2

        SHA512

        81a7e8ad95ef7dccc17f2b3f034654e0ffb0402458f7a3526baa963922886ad7f0fd00338dbcab571a28afd0863303f387d5ed6fe857d230cc0182ba11479901

      • memory/992-24-0x00007FF7D2590000-0x00007FF7D2FCD000-memory.dmp

        Filesize

        10.2MB

      • memory/992-5-0x00007FF7D2590000-0x00007FF7D2FCD000-memory.dmp

        Filesize

        10.2MB

      • memory/3000-2-0x00007FF746EE0000-0x00007FF74791D000-memory.dmp

        Filesize

        10.2MB

      • memory/3000-0-0x00007FF746EE0000-0x00007FF74791D000-memory.dmp

        Filesize

        10.2MB

      • memory/3680-28-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-22-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-36-0x000001A7AFEB0000-0x000001A7AFED0000-memory.dmp

        Filesize

        128KB

      • memory/3680-35-0x000001A7AFEB0000-0x000001A7AFED0000-memory.dmp

        Filesize

        128KB

      • memory/3680-34-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-14-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-15-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-16-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-17-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-18-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-19-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-20-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-21-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-33-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-32-0x000001A7AFE90000-0x000001A7AFEB0000-memory.dmp

        Filesize

        128KB

      • memory/3680-25-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-26-0x000001A7AFCD0000-0x000001A7AFCF0000-memory.dmp

        Filesize

        128KB

      • memory/3680-27-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-31-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-29-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/3680-30-0x0000000140000000-0x0000000140840000-memory.dmp

        Filesize

        8.2MB

      • memory/4960-9-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4960-8-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4960-10-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4960-6-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4960-7-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB

      • memory/4960-13-0x0000000140000000-0x000000014000D000-memory.dmp

        Filesize

        52KB