Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 16:44

General

  • Target

    3b0f47a293f2fd98142a1787f045e51c_JaffaCakes118.exe

  • Size

    744KB

  • MD5

    3b0f47a293f2fd98142a1787f045e51c

  • SHA1

    df3d7fa2a87423f0a7aef42d08fa5c9b059a1a62

  • SHA256

    47cd0c8ff24aa632057bf088d4215a613740a0934523095b017bb3bf439748c1

  • SHA512

    2f35f881430fa1a4f4ecf4644dd1c985f5e7818c1df8b4c99bd1d4582ea70148847c4b887e8ef490c2f484265d838d3231f6e72967551ab6c5266c2e138ad5bc

  • SSDEEP

    12288:dnoU/n5vdnlpUfWS3TXUPqS00dfw8h38Mt9jv6nnjqKoe:Zn5vdnlpwWukXfwK38MtN6nnjqKoe

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

shahzad73.casacam.net:9036

shahzad73.ddns.net:9036

Mutex

a58bb08a-85df-4191-824c-1b90cbce1024

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    shahzad73.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-05-07T15:16:03.837677536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9036

  • default_group

    ENDING-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

    a58bb08a-85df-4191-824c-1b90cbce1024

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    shahzad73.casacam.net

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b0f47a293f2fd98142a1787f045e51c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3b0f47a293f2fd98142a1787f045e51c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JkBTyuw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6FAD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3672
    • C:\Users\Admin\AppData\Local\Temp\3b0f47a293f2fd98142a1787f045e51c_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:2656
      • C:\Users\Admin\AppData\Local\Temp\3b0f47a293f2fd98142a1787f045e51c_JaffaCakes118.exe
        "{path}"
        2⤵
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:3772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3b0f47a293f2fd98142a1787f045e51c_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\tmp6FAD.tmp

      Filesize

      1KB

      MD5

      41d94ad59c05340ee02687ba8e665639

      SHA1

      2afcb3d0d97763586d75310c6a05de08cbc8ff6b

      SHA256

      d7cea1165d258f2def3e7ff96cdaa0ef6f72e40b8f6b93129edc283aed4acb6a

      SHA512

      0596ed596755395ab4930db7dabbfa1d64c710f2aff6bc8993e2aca8602087585f446dafbfc47b1bfa5fe263ef52a1e518e4bada2b0c06e60b053e588ca22cd6

    • memory/3772-26-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3772-25-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3772-24-0x00000000067E0000-0x00000000067EA000-memory.dmp

      Filesize

      40KB

    • memory/3772-23-0x00000000066C0000-0x00000000066DE000-memory.dmp

      Filesize

      120KB

    • memory/3772-22-0x0000000005BC0000-0x0000000005BCA000-memory.dmp

      Filesize

      40KB

    • memory/3772-20-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3772-19-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3772-15-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/4616-4-0x0000000005160000-0x000000000516A000-memory.dmp

      Filesize

      40KB

    • memory/4616-11-0x00000000063A0000-0x00000000063E4000-memory.dmp

      Filesize

      272KB

    • memory/4616-10-0x00000000062D0000-0x0000000006366000-memory.dmp

      Filesize

      600KB

    • memory/4616-9-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4616-8-0x000000007511E000-0x000000007511F000-memory.dmp

      Filesize

      4KB

    • memory/4616-7-0x0000000006670000-0x000000000670C000-memory.dmp

      Filesize

      624KB

    • memory/4616-18-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4616-6-0x0000000005340000-0x0000000005348000-memory.dmp

      Filesize

      32KB

    • memory/4616-0-0x000000007511E000-0x000000007511F000-memory.dmp

      Filesize

      4KB

    • memory/4616-5-0x0000000075110000-0x00000000758C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4616-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

      Filesize

      584KB

    • memory/4616-2-0x0000000005490000-0x0000000005A34000-memory.dmp

      Filesize

      5.6MB

    • memory/4616-1-0x0000000000690000-0x0000000000750000-memory.dmp

      Filesize

      768KB