Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 08:13

General

  • Target

    ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe

  • Size

    843KB

  • MD5

    ddd261a6bd8ebcd6cdd8348e02f5dcd5

  • SHA1

    07c8cd4aa111ba2cb0495ccd109df22dcabbfc19

  • SHA256

    88bb5f92b0c4aeb7a6ef54e16f943cb968dbfca46b2b5e8418e6429d5d7e6f19

  • SHA512

    77e1bf1fe05238facadbc6c4bcf67fc2a9e58cc577ec8d3fd2145e96dadb8567fcfd7a61daa8273646856393c8ffd9a3d532e85b3863c34e6b7ab994186b7462

  • SSDEEP

    12288:A1UQYBGj5WIWcP3YYcX/BNFc/5twrJCB/Y+7CkDr/DjR:weG9k/BkDcJs/pOk//DV

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.125.205.68:5626

Mutex

dbf162fe-d70a-49dc-aab5-a5e8f2b10edb

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-08-20T07:30:43.299240836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    5626

  • default_group

    Goat

  • 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

    dbf162fe-d70a-49dc-aab5-a5e8f2b10edb

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.125.205.68

  • 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.

  • Nanocore family
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ddd261a6bd8ebcd6cdd8348e02f5dcd5_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1132-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1132-18-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-17-0x0000000005A90000-0x0000000005A9A000-memory.dmp

    Filesize

    40KB

  • memory/1132-16-0x0000000005A70000-0x0000000005A8E000-memory.dmp

    Filesize

    120KB

  • memory/1132-15-0x00000000057F0000-0x00000000057FA000-memory.dmp

    Filesize

    40KB

  • memory/1132-13-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2160-4-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2160-7-0x0000000004E70000-0x0000000004E84000-memory.dmp

    Filesize

    80KB

  • memory/2160-9-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

    Filesize

    4KB

  • memory/2160-10-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2160-11-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

    Filesize

    624KB

  • memory/2160-6-0x0000000005160000-0x00000000051AA000-memory.dmp

    Filesize

    296KB

  • memory/2160-5-0x0000000004E80000-0x0000000004E8A000-memory.dmp

    Filesize

    40KB

  • memory/2160-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

    Filesize

    4KB

  • memory/2160-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

    Filesize

    584KB

  • memory/2160-2-0x0000000005360000-0x0000000005904000-memory.dmp

    Filesize

    5.6MB

  • memory/2160-1-0x00000000003E0000-0x00000000004A2000-memory.dmp

    Filesize

    776KB