Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    27-07-2024 22:35

General

  • Target

    0172b39c3ff4d3736bba61f52382abfb_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    0172b39c3ff4d3736bba61f52382abfb

  • SHA1

    aea8df3ca1bdc79d8aefce09d927dc1ee253a0cb

  • SHA256

    780c32fe9d3cbe59a5c7c979e864fc6bcf651b92a99c87657257fc398794eeb3

  • SHA512

    2a0c0aa4bd77e39e1fabf060324bca3fc16543d824054092671f72b9f168141345613f86bd4ce5328376ecd0e5d97f17db75af1f52e3edf9e04fae28f100415d

  • SSDEEP

    24576:9O1ZZfx3L4kwO2/MghPJFGmfbxMeEoqJpSjB3ZV8/F6XI0:Q5fx3LI/rJIUMDoqJEBj

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.4:2010

127.0.0.1:2010

Mutex

06c820a6-9062-49c3-a472-0ed60e3a6261

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-06-09T00:02:47.514110236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    2010

  • default_group

    divine

  • 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

    06c820a6-9062-49c3-a472-0ed60e3a6261

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    194.5.98.4

  • 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.

  • 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 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\0172b39c3ff4d3736bba61f52382abfb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0172b39c3ff4d3736bba61f52382abfb_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:2228
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YKZiDDSUDUnCB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD62.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2768
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
      2⤵
        PID:2116
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:2732

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpFD62.tmp

      Filesize

      1KB

      MD5

      d2aa56e97390fa55628867f3e857b837

      SHA1

      670f4807d62b41cecfdb1dba235c5da0242d4030

      SHA256

      3c6ee91e711be527f467df49da8d7b9be1af4a79086de7e73a247be2301a8f01

      SHA512

      7f65dd9fc983050a6cd5f8358108cb2e25448da1c0cc3e761c234f7cffa028d9671fed577df06f7db3b02d56d8a644214b37333dee0c9017330419babd6e864b

    • memory/2228-0-0x00000000742A1000-0x00000000742A2000-memory.dmp

      Filesize

      4KB

    • memory/2228-1-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/2228-2-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/2228-3-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/2228-4-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/2228-26-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/2732-24-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2732-20-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2732-10-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2732-25-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/2732-22-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2732-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2732-16-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2732-14-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2732-12-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2732-28-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB