Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    14-08-2024 10:12

General

  • Target

    95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe

  • Size

    458KB

  • MD5

    95a92cb1e2eb45772520a4ead4f0c238

  • SHA1

    af46b72a1bc9ced93ce5187b6e1817883f39d665

  • SHA256

    a3bd02befe701e339c84c365fbcde4f046b96a88942b86d38c479fcdd418af39

  • SHA512

    3e8fe27fa892ea3f54b18296824d6c31e32353718c048da032a4aa981b536cad08b699f2745904678f33be7168a9e33a6e3d4a14f158e3466622f0cf93b41531

  • SSDEEP

    12288:VnX0SCkPsVleAqBf8CBt+N/An1SivnUvZLWjqQ:VXUkkVMZBf8Cmon1SGUhLs

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.72:99

Mutex

2e737272-72f6-4a08-b1b1-9604212c255c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-07-06T02:26:21.105296836Z

  • 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

    99

  • 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

    2e737272-72f6-4a08-b1b1-9604212c255c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    79.134.225.72

  • 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

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 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 6 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 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Windows security modification
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AlAVZExVU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21E2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:320
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • 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:1928
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp23C6.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1408
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2415.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp21E2.tmp

    Filesize

    1KB

    MD5

    94397c369298cb7bdff2df82a5518b69

    SHA1

    e32e056cb8f58d21be60414cf2f8931d8fd922fd

    SHA256

    b4fd5f17f286e6033071d5353f17e6483881d1fde60156e1725902f409dfe800

    SHA512

    ccfb429a62d42d931415f053c95e00e6e9218ee7209bb7ba7fa78b2b7e87f3c197b7f05a9025602e3c48be10e8cb371413fead882d09ea184aaaa47cec9626c5

  • C:\Users\Admin\AppData\Local\Temp\tmp23C6.tmp

    Filesize

    1KB

    MD5

    40b11ef601fb28f9b2e69d36857bf2ec

    SHA1

    b6454020ad2ceed193f4792b77001d0bd741b370

    SHA256

    c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

    SHA512

    e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

  • C:\Users\Admin\AppData\Local\Temp\tmp2415.tmp

    Filesize

    1KB

    MD5

    a4f6fa4537e2dcf0d3e2802c0f070a4d

    SHA1

    03545095bfeddd7656b5b8547ab84a810324a94f

    SHA256

    192ac26e1895b267149bde35c55327f4a441693495239da5899062924d45bd11

    SHA512

    a4293123d718b0511a8301a7f536e403cecf8bc89f25f9dc4692b293eb8a554a8eb67993a26fe0e96792b6eb3573b34e9b270777cafe95c2383268da6d40fd2e

  • memory/1928-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1928-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1928-27-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1928-28-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1928-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1928-23-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1928-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1928-26-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2584-11-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-10-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-7-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-8-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-9-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-3-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-0-0x0000000074931000-0x0000000074932000-memory.dmp

    Filesize

    4KB

  • memory/3008-4-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-29-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-2-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-1-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB