Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 07:08

General

  • Target

    dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe

  • Size

    682KB

  • MD5

    e85e9ee55cd11e262bebc6a50adf9eb4

  • SHA1

    0ea3108775ea4aeca19c338b7873bc5f29f17333

  • SHA256

    dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2

  • SHA512

    11804e98b271ab6e997b175935e2ab2b596da7d13c8c1590e224c20d5ab6572b859965a5a6762dedef266c26da266571751cf4c041936f3818f5600530931580

  • SSDEEP

    12288:Veezo4rQ7otxmQB4r3/fuNXat1Idh+t74g8qKYgi74m241FMA7h+0bAbJz:LQo71O/caIH+tKqKy74j

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fredrchmn.duckdns.org:7788

Mutex

f09b885f-e168-4a65-b204-d7370430fd19

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    fredrchmn.duckdns.org

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2021-03-06T05:27:19.753914436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    7788

  • default_group

    Default

  • 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

    f09b885f-e168-4a65-b204-d7370430fd19

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    fredrchmn.duckdns.org

  • primary_dns_server

  • 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.

  • Nanocore family
  • 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.

  • 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 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe
    "C:\Users\Admin\AppData\Local\Temp\dceafff25f376bd3883f15c500fbfe369b45821fdbb0e34caa0bc715f5e34ad2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\adwOuvuzR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BA2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1636
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:2640
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:2304

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp2BA2.tmp

      Filesize

      1KB

      MD5

      5c536e974ec0fe4eabc61136000b1951

      SHA1

      bd40c9c6bafa155324dcdf0893bfd6f4207bc85c

      SHA256

      aecd2f3dec1db364c96677742023c9de57a1cf5af339a90c5d190823a09a0bb8

      SHA512

      b62a817ea88f1c6dc37d0cc75b37697f74e5e7e206ca47484d993089292bcb83b15bf42fd5dbdb792b865d4cbe35b56108dadcafe5eb7facd09965941b3217db

    • memory/2160-0-0x000000007492E000-0x000000007492F000-memory.dmp

      Filesize

      4KB

    • memory/2160-1-0x0000000000F20000-0x0000000000FD0000-memory.dmp

      Filesize

      704KB

    • memory/2160-2-0x0000000074920000-0x000000007500E000-memory.dmp

      Filesize

      6.9MB

    • memory/2160-3-0x0000000000520000-0x0000000000528000-memory.dmp

      Filesize

      32KB

    • memory/2160-4-0x000000007492E000-0x000000007492F000-memory.dmp

      Filesize

      4KB

    • memory/2160-5-0x0000000074920000-0x000000007500E000-memory.dmp

      Filesize

      6.9MB

    • memory/2160-6-0x00000000051A0000-0x0000000005248000-memory.dmp

      Filesize

      672KB

    • memory/2160-7-0x0000000000BD0000-0x0000000000C28000-memory.dmp

      Filesize

      352KB

    • memory/2160-26-0x0000000074920000-0x000000007500E000-memory.dmp

      Filesize

      6.9MB

    • memory/2304-27-0x0000000074920000-0x000000007500E000-memory.dmp

      Filesize

      6.9MB

    • memory/2304-11-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2304-21-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2304-23-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2304-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2304-15-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2304-13-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2304-25-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2304-17-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2304-28-0x0000000074920000-0x000000007500E000-memory.dmp

      Filesize

      6.9MB

    • memory/2304-30-0x0000000000450000-0x000000000045A000-memory.dmp

      Filesize

      40KB

    • memory/2304-31-0x0000000000460000-0x000000000047E000-memory.dmp

      Filesize

      120KB

    • memory/2304-32-0x0000000000500000-0x000000000050A000-memory.dmp

      Filesize

      40KB

    • memory/2304-33-0x0000000074920000-0x000000007500E000-memory.dmp

      Filesize

      6.9MB

    • memory/2304-34-0x0000000074920000-0x000000007500E000-memory.dmp

      Filesize

      6.9MB