Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-03-2023 12:46

General

  • Target

    9f7dfb962e2bf51b8635de5abf80bede395c54abdd19ce0e7caa2343667fefe9.exe

  • Size

    6.5MB

  • MD5

    310ad4f57eff4a82c55e34a2723dd283

  • SHA1

    57aec7958f04644ce076e1c78df730cb698e31ad

  • SHA256

    9f7dfb962e2bf51b8635de5abf80bede395c54abdd19ce0e7caa2343667fefe9

  • SHA512

    66404b6d1c04cbea7b23321339aa99b0988f6a4a61d64b313e64ccb2fadc362b094a90c98e184927bd97f9993897038bc9fe4c3c07afdd27d632aefe3b5d3877

  • SSDEEP

    196608:ly3FwVssRJTy/xr85Z3MBRDnglLOIeyqZ5:lGFWsyu8b96

Malware Config

Extracted

Family

loaderbot

C2

http://92.204.173.86/cmd.php

Signatures

  • LoaderBot

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

  • xmrig

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • LoaderBot executable 2 IoCs
  • XMRig Miner payload 15 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f7dfb962e2bf51b8635de5abf80bede395c54abdd19ce0e7caa2343667fefe9.exe
    "C:\Users\Admin\AppData\Local\Temp\9f7dfb962e2bf51b8635de5abf80bede395c54abdd19ce0e7caa2343667fefe9.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Drops startup file
    • Identifies Wine through registry keys
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
      "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 46JP2Vir9Zd4xARGJRWwA7DrzTyV541xXVAnVuR7KnMcSXidE9roEwKWmSCUF1QMygYkLFvRegGxWhTVVgmnQN7dSoA1X9j -p x -k -v=0 --donate-level=1 -t 2
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1108
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1108 -s 764
        3⤵
        • Program crash
        PID:2068
    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
      "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 46JP2Vir9Zd4xARGJRWwA7DrzTyV541xXVAnVuR7KnMcSXidE9roEwKWmSCUF1QMygYkLFvRegGxWhTVVgmnQN7dSoA1X9j -p x -k -v=0 --donate-level=1 -t 2
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4000
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 460 -p 1108 -ip 1108
    1⤵
      PID:4672

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

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

      Filesize

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

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

      Filesize

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

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

      Filesize

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

    • memory/1108-152-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1108-158-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1108-151-0x00000000004D0000-0x00000000004E4000-memory.dmp

      Filesize

      80KB

    • memory/1404-136-0x00000000000C0000-0x0000000001124000-memory.dmp

      Filesize

      16.4MB

    • memory/1404-147-0x0000000007FA0000-0x0000000007FB0000-memory.dmp

      Filesize

      64KB

    • memory/1404-139-0x00000000081F0000-0x0000000008256000-memory.dmp

      Filesize

      408KB

    • memory/1404-135-0x00000000000C0000-0x0000000001124000-memory.dmp

      Filesize

      16.4MB

    • memory/1404-134-0x00000000000C0000-0x0000000001124000-memory.dmp

      Filesize

      16.4MB

    • memory/1404-133-0x00000000000C0000-0x0000000001124000-memory.dmp

      Filesize

      16.4MB

    • memory/4000-159-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-165-0x0000000001FD0000-0x0000000001FF0000-memory.dmp

      Filesize

      128KB

    • memory/4000-156-0x00000000004F0000-0x0000000000510000-memory.dmp

      Filesize

      128KB

    • memory/4000-155-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-160-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-162-0x0000000001FD0000-0x0000000001FF0000-memory.dmp

      Filesize

      128KB

    • memory/4000-161-0x0000000000510000-0x0000000000530000-memory.dmp

      Filesize

      128KB

    • memory/4000-163-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-164-0x0000000000510000-0x0000000000530000-memory.dmp

      Filesize

      128KB

    • memory/4000-157-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-166-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-167-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-168-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-169-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-170-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-171-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-172-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-173-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4000-174-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB