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Analysis

  • max time kernel
    138s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 16:59

General

  • Target

    f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe

  • Size

    611KB

  • MD5

    f674a21da9dd26cc1f1cface03062cdd

  • SHA1

    eb6093be0b0df9e63db9c33fbd197c9ee39a491e

  • SHA256

    b3e46aec1efa78debec55d76effbdbe80b1bb37dcdd0909c5429830c155bae24

  • SHA512

    68f45bddd2ed1515d07762dfb012329a4d9a4ab0e19fb9850351930e9818207d9edf0b9d1de38199f33062aca13f34385d1c04d8bd72f50dc7f4caa238e4541d

  • SSDEEP

    12288:+MEolJm/i35dNaAVlrPDA7JtCtyynJHJT6YashlM0JT6YashlM:q6Jm/odzVtbA7akIx9ashlV9ashl

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kamuchehddhgfgf.ddns.net:1187

37.0.10.22:1187

Mutex

baa1bd16-ba50-4743-8b51-41c36ee5d9d4

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    37.0.10.22

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-10T08:16:56.984441236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1187

  • 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

    baa1bd16-ba50-4743-8b51-41c36ee5d9d4

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    kamuchehddhgfgf.ddns.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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe"
      2⤵
        PID:1292
      • C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe"
        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:2424

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      dc4f25880372b34bd321c7de4abb6616

      SHA1

      6e2f4c4f4ecaf53e0efcbe125572d3a78540e6fa

      SHA256

      e7ab3c07cfef749272019922d17900c020ce4281750ce9698cddacf85645d1fd

      SHA512

      f990c9ddf0749b55d861729a7adeb27338d783eaf9f8cf47e68f168bdf022b9ee52ee389219e6d58f7404cdf597cd76a1e5bbc4471ffbab67f6604f95854c9a5

    • memory/1952-10-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/1952-16-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/1952-3-0x0000000005840000-0x00000000058D2000-memory.dmp

      Filesize

      584KB

    • memory/1952-4-0x00000000058E0000-0x0000000005936000-memory.dmp

      Filesize

      344KB

    • memory/1952-5-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/1952-6-0x0000000005830000-0x000000000583A000-memory.dmp

      Filesize

      40KB

    • memory/1952-7-0x0000000006300000-0x000000000639C000-memory.dmp

      Filesize

      624KB

    • memory/1952-8-0x0000000005B20000-0x0000000005B32000-memory.dmp

      Filesize

      72KB

    • memory/1952-9-0x00000000749AE000-0x00000000749AF000-memory.dmp

      Filesize

      4KB

    • memory/1952-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

      Filesize

      4KB

    • memory/1952-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

      Filesize

      5.6MB

    • memory/1952-1-0x0000000000DC0000-0x0000000000E5E000-memory.dmp

      Filesize

      632KB

    • memory/1952-11-0x00000000071C0000-0x000000000721E000-memory.dmp

      Filesize

      376KB

    • memory/2424-12-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2424-15-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/2424-17-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/2424-20-0x0000000005330000-0x000000000533A000-memory.dmp

      Filesize

      40KB

    • memory/2424-21-0x0000000005340000-0x000000000535E000-memory.dmp

      Filesize

      120KB

    • memory/2424-22-0x0000000005590000-0x000000000559A000-memory.dmp

      Filesize

      40KB

    • memory/2424-23-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB

    • memory/2424-24-0x00000000749A0000-0x0000000075150000-memory.dmp

      Filesize

      7.7MB