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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/09/2024, 19:36

General

  • Target

    f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

  • Size

    436KB

  • MD5

    f45ddfd1e8c92782841365c9e15cc4bb

  • SHA1

    0821d3c5b27b96d6663a7e7a029420065505108b

  • SHA256

    82be1be3d4d7a7b6925cca55cf090747d6f5df0304809492c7795831aef98f94

  • SHA512

    a06e538e6ff9b688fed2ce40811e1c4709f56d7160bdef13057d063d75be1c9777ac6a6e631a58726ffc52242802042a7c88de7142b3d394a018a9691c840924

  • SSDEEP

    12288:G0AjdHVkc+1CE7ms005xnS+xzDXmunPpfAR:nkFVkcA7msrnSeb

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.165.153.251:50450

Mutex

fd734765-5adc-40c4-a1d3-54d63fd4ef94

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.165.153.251

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-07-06T00:38:11.231478436Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    50450

  • default_group

    Jesus

  • 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

    fd734765-5adc-40c4-a1d3-54d63fd4ef94

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    185.165.153.251

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 5 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 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\f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_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:2912
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QKTcBoAPiIXpHj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3FCE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4544
    • C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_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
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp46F2.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:868
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4741.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1576
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=3880 /prefetch:8
    1⤵
      PID:5092

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3FCE.tmp

      Filesize

      1KB

      MD5

      f0137f1d3a9e457143ae0cb79a5e6789

      SHA1

      b301d8ffad223634049c87482b1e23527b4bbd6c

      SHA256

      1e109a8e48230917fb55fc3fed8afdd393a784ec56ff62c026fb918810d94507

      SHA512

      fc5e8ebfff2cfef0e5de90cb1a2ca2f0ca642b32c10c389bb10f76f5e24507555718f2acdd03c33c399c27cbd907329f0e426e9bf642a3c37d141367e139ea43

    • C:\Users\Admin\AppData\Local\Temp\tmp46F2.tmp

      Filesize

      1KB

      MD5

      304b86dbe73841af437332eeddfa21ce

      SHA1

      9082a9da1ce475761cfad642ef9a412fb25b84ec

      SHA256

      fba885ebdeb1af0b2327f9dd061eea3085fbb328f54042dd9df9b95e81f38700

      SHA512

      215fd5ad02583810a07b7245062fb5a77a8de6368d048a18a8109223f917c5b9a2ca33daa79794349e6120503c65730985d9be0e859466045924e0a254c1d46b

    • C:\Users\Admin\AppData\Local\Temp\tmp4741.tmp

      Filesize

      1KB

      MD5

      a246b3561d823177f3586e629f144233

      SHA1

      0f05d12e55a1d2e5e6a4f307c193882fba093315

      SHA256

      6abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52

      SHA512

      4246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d

    • memory/536-15-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/536-26-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/536-25-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/536-24-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/536-11-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/536-16-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/536-13-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/2912-4-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/2912-14-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/2912-5-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/2912-0-0x0000000074662000-0x0000000074663000-memory.dmp

      Filesize

      4KB

    • memory/2912-3-0x0000000074662000-0x0000000074663000-memory.dmp

      Filesize

      4KB

    • memory/2912-2-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB

    • memory/2912-1-0x0000000074660000-0x0000000074C11000-memory.dmp

      Filesize

      5.7MB