Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 01:52

General

  • Target

    Mehmood Khan.CV.exe

  • Size

    369KB

  • MD5

    f98ab1125e0263ed1605f5d9ccd6ccee

  • SHA1

    56391f8225064d48438853a4f1c95befed4a6d76

  • SHA256

    705d90649c0c2c0fe3c5939d2ec0309c3d0ec89c145b3e7da280e52a2361b588

  • SHA512

    b2f7047514f175388846d547e617c4f9c5d20f575e9e2af0b48bc9866fde66054a071cb197a91b696fe267910331c44ece073061f62214e33ac72b4ea2232695

  • SSDEEP

    6144:AL/ArCpGcROMjS26FoDPQQsgceHou4iprxJ44Ggdz0UNE7b6Q9cdnhVm:3Cp5RZjSADPQQsg7XTdZW70dnh

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

adikaremix.linkpc.net:1790

185.140.53.13:1790

Mutex

9493864b-27d9-4410-9dcc-9a0c4732a1d5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.140.53.13

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-21T11:14:38.887176036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1790

  • default_group

    June@@

  • 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

    9493864b-27d9-4410-9dcc-9a0c4732a1d5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    adikaremix.linkpc.net

  • 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
  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mehmood Khan.CV.exe
    "C:\Users\Admin\AppData\Local\Temp\Mehmood Khan.CV.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\argsutBHAVIreG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A14.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2288
    • C:\Users\Admin\AppData\Local\Temp\Mehmood Khan.CV.exe
      "{path}"
      2⤵
        PID:2768
      • C:\Users\Admin\AppData\Local\Temp\Mehmood Khan.CV.exe
        "{path}"
        2⤵
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:2400

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3A14.tmp

      Filesize

      1KB

      MD5

      23a567f1fa2e4efb8f08834ddde0d6f8

      SHA1

      6873f48bc73b8abb5d32fb0b77ee8d0bb035530b

      SHA256

      2fe4bcd41b197d6ae383d14214023a9ab874b2313bd819395c37ec0a6d2d84de

      SHA512

      3e4079aea7c6153891f3f6c56adb3d84f34f5db8d2624c5372e090ca1b7dd95c34d0444673173a951339d044a58b985a615f630364058e08030f812a0394b642

    • memory/1940-0-0x00000000743B1000-0x00000000743B2000-memory.dmp

      Filesize

      4KB

    • memory/1940-1-0x00000000743B0000-0x000000007495B000-memory.dmp

      Filesize

      5.7MB

    • memory/1940-2-0x00000000743B0000-0x000000007495B000-memory.dmp

      Filesize

      5.7MB

    • memory/1940-3-0x00000000743B0000-0x000000007495B000-memory.dmp

      Filesize

      5.7MB

    • memory/1940-24-0x00000000743B0000-0x000000007495B000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-21-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2400-23-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2400-9-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2400-19-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2400-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2400-15-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2400-13-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2400-11-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2400-25-0x00000000743B0000-0x000000007495B000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-28-0x00000000743B0000-0x000000007495B000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-29-0x00000000743B0000-0x000000007495B000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-30-0x00000000743B0000-0x000000007495B000-memory.dmp

      Filesize

      5.7MB