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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 09:45

General

  • Target

    fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe

  • Size

    453KB

  • MD5

    fc073d184823f14d6b8e2ac32687c388

  • SHA1

    750aa1665cd1e92bff585ca0cf867c0c9d5e62b9

  • SHA256

    2db7cd1f54eb77ad7f41ab2acaf6db56b08c4a257c293c1a59ff6ba1a880dc67

  • SHA512

    f9512bb78dfcc98e27397d36c9ea0f810fc32858c43278be5ec03bcf2fac9f870fa46086d0d89f58025ae920f7f9fe39e982d5c285001416c1629cde4b03c1b5

  • SSDEEP

    12288:qMvxMb7KkM8GzodwfPQfyLZ1XSKeqtpMPR2El:qMvxEm9zm+PWeNMPg

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.30.99:2346

dish123newpro.publicvm.com:2346

Mutex

e8beec1b-867e-4791-bc74-957fe35d1cc7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    dish123newpro.publicvm.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-11-11T22:49:50.303838236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    2346

  • default_group

    NAPORT2346

  • 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

    e8beec1b-867e-4791-bc74-957fe35d1cc7

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    185.244.30.99

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc073d184823f14d6b8e2ac32687c388_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:4628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lyhQbCjQnAUX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D43.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4840
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\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:3428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3D43.tmp

    Filesize

    1KB

    MD5

    545932f84b23cab6f6dfb4441e9a11e6

    SHA1

    841ec741201d8b1ad858e2eb4bb414b33546cfaf

    SHA256

    a0c68b6f80ef58e0782763e7bc5be9e58036eeb1d1619874f04fb1740291d172

    SHA512

    a1b1c5a801ff997f2bf48eda773d2515e2264aad6811a99459e4c66890c1bbe323b1e3fc8935d9bb1e2bef07707da3bec325dff15026794f17b13e666040c9d3

  • memory/3428-15-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3428-13-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3428-12-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3428-10-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3428-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4628-3-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/4628-5-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/4628-4-0x0000000075352000-0x0000000075353000-memory.dmp

    Filesize

    4KB

  • memory/4628-11-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/4628-0-0x0000000075352000-0x0000000075353000-memory.dmp

    Filesize

    4KB

  • memory/4628-2-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/4628-1-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB