Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 01:00

General

  • Target

    005c64147fc04f24b4df3c60be59a4bbfb22066323d269cf10151f25b9a6209a.exe

  • Size

    1.1MB

  • MD5

    a59f1027a13f0927dddbbd19750af958

  • SHA1

    778c3ec611c576277e163a5c8d34bc4109e76720

  • SHA256

    005c64147fc04f24b4df3c60be59a4bbfb22066323d269cf10151f25b9a6209a

  • SHA512

    b8bf115d6f8225aa3d7e581dd09dba95a0bb88484ef0b5ae01f1e8f58ffe68184bb0953edf443714baf351fb5702db9f7664ad803a5b79b175d2049073b5be75

  • SSDEEP

    24576:YAHnh+eWsN3skA4RV1Hom2KXcmtcOOg3/TUgj5:fh+ZkldoPKsacOHr

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

indialongvenomminister01connection.myddns.rocks:54980

127.0.0.1:54980

Mutex

58756871-e9e1-493e-a6ce-7f49581f1d4d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-03-15T14:21:19.534906136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54980

  • default_group

    IndiaHanger

  • 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

    58756871-e9e1-493e-a6ce-7f49581f1d4d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    indialongvenomminister01connection.myddns.rocks

  • 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

  • NanoCore

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\005c64147fc04f24b4df3c60be59a4bbfb22066323d269cf10151f25b9a6209a.exe
    "C:\Users\Admin\AppData\Local\Temp\005c64147fc04f24b4df3c60be59a4bbfb22066323d269cf10151f25b9a6209a.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\bezzo\antholite.exe
      "C:\Users\Admin\AppData\Local\Temp\005c64147fc04f24b4df3c60be59a4bbfb22066323d269cf10151f25b9a6209a.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\005c64147fc04f24b4df3c60be59a4bbfb22066323d269cf10151f25b9a6209a.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:2444
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 700
        3⤵
        • Program crash
        PID:4572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 464 -ip 464
    1⤵
      PID:4540

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\fascinatress
      Filesize

      28KB

      MD5

      a8d1bb3591f0b9984f88c74934ffe325

      SHA1

      f9ec53d7e7a35c8c2da7c1c65441044bb36131cf

      SHA256

      49e4e8bb7defed7490873a8fb21f0b6ba5a50082e96ff87aa53dbac5f62d7daf

      SHA512

      27ddfce103d22b8476d4aba853c8273c3c66b353434ebfb5b72e4c9c8d55e6363f9d448fc943d2d197e2da8b61133b1e4fb903d24f1554d559e96a86d4af89a9

    • C:\Users\Admin\AppData\Local\Temp\windigos
      Filesize

      202KB

      MD5

      5f096e35e1fada7dd6fc1eac5252d36a

      SHA1

      403c03f8e28f7ab0c43d6da1059d42946ac36ffb

      SHA256

      57c40b480bef3ce612eef89fbaa276afe1b0d4e72dcebceb2a85266ca713f497

      SHA512

      a685036eb530ab25432705f57bd686c8e19b16a0d0af9420312935f49f9c67fb867195be27c086da2f9a93171f399a60b9113a8d1ab945b95a1539924f6fccd1

    • C:\Users\Admin\AppData\Local\bezzo\antholite.exe
      Filesize

      1.1MB

      MD5

      a59f1027a13f0927dddbbd19750af958

      SHA1

      778c3ec611c576277e163a5c8d34bc4109e76720

      SHA256

      005c64147fc04f24b4df3c60be59a4bbfb22066323d269cf10151f25b9a6209a

      SHA512

      b8bf115d6f8225aa3d7e581dd09dba95a0bb88484ef0b5ae01f1e8f58ffe68184bb0953edf443714baf351fb5702db9f7664ad803a5b79b175d2049073b5be75

    • memory/2444-28-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2444-29-0x00000000740A2000-0x00000000740A3000-memory.dmp
      Filesize

      4KB

    • memory/2444-30-0x00000000740A0000-0x0000000074651000-memory.dmp
      Filesize

      5.7MB

    • memory/2444-31-0x00000000740A0000-0x0000000074651000-memory.dmp
      Filesize

      5.7MB

    • memory/2444-33-0x00000000740A0000-0x0000000074651000-memory.dmp
      Filesize

      5.7MB

    • memory/2444-37-0x00000000740A2000-0x00000000740A3000-memory.dmp
      Filesize

      4KB

    • memory/2444-38-0x00000000740A0000-0x0000000074651000-memory.dmp
      Filesize

      5.7MB

    • memory/2444-39-0x00000000740A0000-0x0000000074651000-memory.dmp
      Filesize

      5.7MB

    • memory/5068-10-0x0000000000B90000-0x0000000000B94000-memory.dmp
      Filesize

      16KB