Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 15:23

General

  • Target

    223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    223a8663266243aaad8e25547718bbfd

  • SHA1

    b56f249f5c68bbdb9bfc701db246f3b4c7e5e0d8

  • SHA256

    07667b309e0494f48c3a8602c6ba0943b1b8ca9a3bcee1c6bf9c5e841ef60ae6

  • SHA512

    592ec4f9b894693421a021e3b8bf9b90183cdf683b9d85d5130a78a83f55eed91b127c10de0379d394a310a70838fe087d58da51a1077ee13e900e22f8e11a7d

  • SSDEEP

    12288:mZAZqb1fqB2bzjWPb+y9HweKLX5foF2lnSypIQnSRjtfJpcGWvTx2Qco4+rz:u1g2b3WP5wTLJfplSyznYpf

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.52:54984

127.0.0.1:54984

Mutex

94d0e2fe-d2cd-49bf-adbe-7f0f372239ca

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-05-25T08:20:27.332240436Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    iyke

  • 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

    94d0e2fe-d2cd-49bf-adbe-7f0f372239ca

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    194.5.98.52

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • 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
  • 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 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\223a8663266243aaad8e25547718bbfd_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bNzZKqrTENXi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp81BD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2816
    • 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:2780
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "PCI Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8363.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2728
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "PCI Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8518.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp81BD.tmp

    Filesize

    1KB

    MD5

    3ffc4fef9fd5e2b3712be8e481db8bd3

    SHA1

    12365e7a6a92a09bce74ab8d30e65ff8b5f723dc

    SHA256

    a5e077df41c41e97c6559020ab6b659ff6861066575a3ce0989e63ba4a6599d4

    SHA512

    830d6c7df75795b609e9e40956fbe11f1e315a8e0354563507806210ee12fc3b6dfa03c8954f7af4530ee59575d81b655642ef98e5f069835bb02abb969c65a7

  • C:\Users\Admin\AppData\Local\Temp\tmp8363.tmp

    Filesize

    1KB

    MD5

    40b11ef601fb28f9b2e69d36857bf2ec

    SHA1

    b6454020ad2ceed193f4792b77001d0bd741b370

    SHA256

    c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

    SHA512

    e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

  • C:\Users\Admin\AppData\Local\Temp\tmp8518.tmp

    Filesize

    1KB

    MD5

    da7aec92f4b1e721f6eeccec52db4901

    SHA1

    e1bc32c2277c42aec2356f6242ee427af53c2a52

    SHA256

    7bcfd205f07bffa61c788644c1d6639d03126c46fdbd6550f7e21795dc78b3c0

    SHA512

    340e234cdfb1b327369378131629f0ff5538c6a1c578c59bfc1b66442ff3f5793f119db13b8d3f158969071eb0fc0c7fbe5c79094572fac0cea528489bf11720

  • memory/2356-22-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-4-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-3-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-1-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-2-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

  • memory/2356-0-0x0000000074AF1000-0x0000000074AF2000-memory.dmp

    Filesize

    4KB

  • memory/2780-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2780-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2780-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2780-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2780-23-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

  • memory/2780-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2780-21-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB

  • memory/2780-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2780-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2780-31-0x0000000074AF0000-0x000000007509B000-memory.dmp

    Filesize

    5.7MB