Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 18:23

General

  • Target

    c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    c8e254b438767acd2aa4adfa87602642

  • SHA1

    93ec6913ac2c789c4019717497c62a408373f344

  • SHA256

    c3c9cae8708f0d0267116b7f59239455c2fdff03727dd36e33a5bc96a2d9cb26

  • SHA512

    7a8e258570d63fd6c91456510b8d4a6572597a2172fecb4014ab240cb49a066b4196af340d8ef2a986dd0f6a3502f01c2b604b66499b1f537cab01e070b04e0f

  • SSDEEP

    24576:1AOcZuj86SEqPwRJhi71NnPJJPhFODUPjQHYwFCJ7gxoABQ8iHX0eFpPFbw:/h86SE23nPBFCU7yF87ezgpPFbw

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

harold.accesscam.org:6051

harold.2waky.com:6051

Mutex

ed2d5ce0-ca4d-4264-be01-91a018d59d09

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    harold.2waky.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-07-13T12:05:45.695760236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6051

  • default_group

    INV TO BID

  • 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

    ed2d5ce0-ca4d-4264-be01-91a018d59d09

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    harold.accesscam.org

  • 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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • 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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c8e254b438767acd2aa4adfa87602642_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\05761503\fuldqn.pif
      "C:\05761503\fuldqn.pif" emiax.qft
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\05761503\fuldqn.pif

    Filesize

    649KB

    MD5

    e423fa6f72ef1a0d63ef5f85380657d6

    SHA1

    83114ec1db55867fde6d249352fcb3c52ef53af2

    SHA256

    4c38d6dc99e8219ccc923bddc94c9298f6b5aee6b4b42323d924cffdeafd356e

    SHA512

    687407a6354547f11faf190472e5fa5c50c0d01d911823b372d80029054e2e830c08b2a9100f5f1b1a742d0755bddfb784854bd7431f98b6b352010e2d01dac3

  • C:\05761503\lftnbbpo.ppt

    Filesize

    450KB

    MD5

    80ad4b95ca6e49ca8de0c4f3c43c33fb

    SHA1

    b46770753c6af0900831eec3bab0b34d5535b430

    SHA256

    daf186bc60581853a6b0e06127bb70fe86c1d201c40b6c47d01d4cf748f1db02

    SHA512

    d82c7cfe2c16f3729cd53c13a5f1f6a8bef094b025329045932833a640f2beb5675b8008d271ad918817a88bbe2afad701a313a7c8250b9fd37b4f60df5c36a3

  • \Users\Admin\AppData\Local\Temp\RegSvcs.exe

    Filesize

    44KB

    MD5

    0e06054beb13192588e745ee63a84173

    SHA1

    30b7d4d1277bafd04a83779fd566a1f834a8d113

    SHA256

    c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

    SHA512

    251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

  • memory/3024-73-0x00000000003D0000-0x0000000000877000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-76-0x00000000003D0000-0x0000000000877000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-78-0x00000000003D0000-0x0000000000877000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3024-79-0x00000000003D0000-0x0000000000877000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-81-0x00000000003D0000-0x0000000000408000-memory.dmp

    Filesize

    224KB

  • memory/3024-83-0x0000000000A90000-0x0000000000A9A000-memory.dmp

    Filesize

    40KB

  • memory/3024-84-0x0000000000AA0000-0x0000000000ABE000-memory.dmp

    Filesize

    120KB

  • memory/3024-85-0x0000000000C60000-0x0000000000C6A000-memory.dmp

    Filesize

    40KB