Overview

overview

10

Static

static

10

Minersa.exe

windows7_x64

10

Minersa.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    16/04/2022, 05:50

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General

  • Target

    Minersa.exe

  • Size

    4.0MB

  • MD5

    dfc3e56cc6384a5f49069a49d658a987

  • SHA1

    75294fc109314949b1b5d00669d4b73a323e290c

  • SHA256

    7656ed477671645be99bd254dc2547709e6545b2fc40124cd2bc4fac38d18447

  • SHA512

    97b65880ca0788a5b86357802a3042e1619957ebd386afb2b8e115a951560b4cf9477b980cbad31a907f09b1c6646a408c8cc45b748e9f4f77d8acb401780824

Score
10/10
loaderbotloaderminerpersistence

Malware Config

Signatures

  • LoaderBot

    LoaderBot is a loader written in .NET downloading and executing miners.

    loaderminerloaderbot
  • LoaderBot executable 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Minersa.exe
    "C:\Users\Admin\AppData\Local\Temp\Minersa.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
      "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 8AJRdL1789zfDDn4L3pUSNBs1ick9moyoTfiUL3Gh2V4fPRDQqqVGwBW8rzWVLzXv2HScqDWo3geT7AJwLqefADwQ3cyPfg -p x -k -v=0 --donate-level=1 -t 1
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2756
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2756 -s 764
        3⤵
        • Program crash
        PID:2768
    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
      "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 8AJRdL1789zfDDn4L3pUSNBs1ick9moyoTfiUL3Gh2V4fPRDQqqVGwBW8rzWVLzXv2HScqDWo3geT7AJwLqefADwQ3cyPfg -p x -k -v=0 --donate-level=1 -t 1
      2⤵
      • Executes dropped EXE
      PID:3484
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3484 -s 564
        3⤵
        • Program crash
        PID:4268
    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
      "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 8AJRdL1789zfDDn4L3pUSNBs1ick9moyoTfiUL3Gh2V4fPRDQqqVGwBW8rzWVLzXv2HScqDWo3geT7AJwLqefADwQ3cyPfg -p x -k -v=0 --donate-level=1 -t 1
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4040
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 452 -p 2756 -ip 2756
    1⤵
      PID:3500
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 420 -p 3484 -ip 3484
      1⤵
        PID:3756

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        Filesize

        3.9MB

        MD5

        02569a7a91a71133d4a1023bf32aa6f4

        SHA1

        0f16bcb3f3f085d3d3be912195558e9f9680d574

        SHA256

        8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

        SHA512

        534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

        Download Submit

      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        Filesize

        3.9MB

        MD5

        02569a7a91a71133d4a1023bf32aa6f4

        SHA1

        0f16bcb3f3f085d3d3be912195558e9f9680d574

        SHA256

        8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

        SHA512

        534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

        Download Submit

      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        Filesize

        3.9MB

        MD5

        02569a7a91a71133d4a1023bf32aa6f4

        SHA1

        0f16bcb3f3f085d3d3be912195558e9f9680d574

        SHA256

        8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

        SHA512

        534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

        Download Submit

      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        Filesize

        3.9MB

        MD5

        02569a7a91a71133d4a1023bf32aa6f4

        SHA1

        0f16bcb3f3f085d3d3be912195558e9f9680d574

        SHA256

        8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

        SHA512

        534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

        Download Submit

      • memory/2756-135-0x00000000001D0000-0x00000000001E4000-memory.dmp

        Filesize

        80KB

        Download

      • memory/3580-130-0x0000000000FA0000-0x00000000013A0000-memory.dmp

        Filesize

        4.0MB

        Download

      • memory/3580-131-0x0000000005FE0000-0x0000000006046000-memory.dmp

        Filesize

        408KB

        Download

      • memory/4040-142-0x0000000000400000-0x0000000000420000-memory.dmp

        Filesize

        128KB

        Download

      • memory/4040-143-0x0000000000420000-0x0000000000440000-memory.dmp

        Filesize

        128KB

        Download