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Resubmissions

23/11/2023, 13:32

231123-qs9e4aaa89 10

23/11/2023, 13:13

231123-qf3f1sah2w 10

Analysis

  • max time kernel
    119s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2023, 13:13

General

  • Target

    plugmanzx.exe

  • Size

    706KB

  • MD5

    980746bbc209911ddbaaff46d856a78f

  • SHA1

    283b8da4e00d54668ff2c98645a4f6f0853a0d35

  • SHA256

    496bbeff36c20e17f2967fb96527b48ab329d1cac12347fdbd8692c46dd36786

  • SHA512

    1a40fa8878e916442b7b3acb875cb80bbcb6e5810ad272d8fa8a5df4f757b392cb2ab86ec7b271df25f981914652913ccbded6c96834f84bab1eaafd07da3574

  • SSDEEP

    12288:H1CFqELXGkJlaxoem1jMipixc06ycvpxHPi4ou0oTJOHBRAIMHEkjLzq:H1CFqQ2k7axoV1Ai4u069A4JdOHBRT2G

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

6coinc.zapto.org:6696

127.0.0.1:6696

Mutex

dc5ce709-95b6-4a26-9175-16a1a8446828

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2023-09-03T02:07:11.731490736Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6696

  • default_group

    6coinc

  • 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

    dc5ce709-95b6-4a26-9175-16a1a8446828

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    6coinc.zapto.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • NanoCore

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\plugmanzx.exe
    "C:\Users\Admin\AppData\Local\Temp\plugmanzx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\Temp\plugmanzx.exe
      "C:\Users\Admin\AppData\Local\Temp\plugmanzx.exe"
      2⤵
        PID:1336
      • C:\Users\Admin\AppData\Local\Temp\plugmanzx.exe
        "C:\Users\Admin\AppData\Local\Temp\plugmanzx.exe"
        2⤵
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE476.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:2712
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE679.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:2772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpE476.tmp

      Filesize

      1KB

      MD5

      4c71cda0ae19c7af539c30611bbbdd02

      SHA1

      8729754de193c3cd41ed134d4abbd330d96efe46

      SHA256

      557e831ec81c93c6e097b4700274935690bcdc3826dc4c72e6d0545f1efdd5fa

      SHA512

      bc8988322d3859121c08a0f3339cc2464e716ee0c4113ea9e66f33f6f40b096e6defb4c0f48a10d43602d037bcdee2de5db0b0df7e41e17f3046d7cfe8358120

    • C:\Users\Admin\AppData\Local\Temp\tmpE679.tmp

      Filesize

      1KB

      MD5

      5fea24e883e06e4df6d240dc72abf2c5

      SHA1

      d778bf0f436141e02df4b421e8188abdcc9a84a4

      SHA256

      e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66

      SHA512

      15afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924

    • memory/2360-18-0x00000000748E0000-0x0000000074FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-1-0x00000000748E0000-0x0000000074FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-2-0x0000000002420000-0x0000000002460000-memory.dmp

      Filesize

      256KB

    • memory/2360-3-0x0000000000610000-0x0000000000628000-memory.dmp

      Filesize

      96KB

    • memory/2360-4-0x00000000005F0000-0x00000000005F6000-memory.dmp

      Filesize

      24KB

    • memory/2360-5-0x0000000000630000-0x000000000063A000-memory.dmp

      Filesize

      40KB

    • memory/2360-6-0x0000000005DA0000-0x0000000005E20000-memory.dmp

      Filesize

      512KB

    • memory/2360-0-0x0000000000DD0000-0x0000000000E86000-memory.dmp

      Filesize

      728KB

    • memory/2572-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2572-34-0x0000000000980000-0x000000000099A000-memory.dmp

      Filesize

      104KB

    • memory/2572-13-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2572-8-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2572-17-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2572-15-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2572-19-0x00000000748E0000-0x0000000074FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2572-20-0x0000000000500000-0x0000000000540000-memory.dmp

      Filesize

      256KB

    • memory/2572-10-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2572-9-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2572-28-0x0000000000590000-0x000000000059A000-memory.dmp

      Filesize

      40KB

    • memory/2572-29-0x00000000005B0000-0x00000000005CE000-memory.dmp

      Filesize

      120KB

    • memory/2572-30-0x00000000005A0000-0x00000000005AA000-memory.dmp

      Filesize

      40KB

    • memory/2572-7-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2572-33-0x0000000000970000-0x0000000000982000-memory.dmp

      Filesize

      72KB

    • memory/2572-37-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

      Filesize

      56KB

    • memory/2572-36-0x0000000000A10000-0x0000000000A22000-memory.dmp

      Filesize

      72KB

    • memory/2572-35-0x00000000009F0000-0x00000000009FE000-memory.dmp

      Filesize

      56KB

    • memory/2572-39-0x0000000000AC0000-0x0000000000AD4000-memory.dmp

      Filesize

      80KB

    • memory/2572-40-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

      Filesize

      64KB

    • memory/2572-38-0x0000000000AB0000-0x0000000000ABC000-memory.dmp

      Filesize

      48KB

    • memory/2572-41-0x0000000000AE0000-0x0000000000AF4000-memory.dmp

      Filesize

      80KB

    • memory/2572-44-0x0000000000BF0000-0x0000000000C04000-memory.dmp

      Filesize

      80KB

    • memory/2572-43-0x0000000000DA0000-0x0000000000DCE000-memory.dmp

      Filesize

      184KB

    • memory/2572-42-0x0000000000AF0000-0x0000000000AFE000-memory.dmp

      Filesize

      56KB

    • memory/2572-46-0x00000000748E0000-0x0000000074FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2572-47-0x0000000000500000-0x0000000000540000-memory.dmp

      Filesize

      256KB