Analysis

  • max time kernel
    149s
  • 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
    06-01-2025 11:11

General

  • Target

    JaffaCakes118_201e9ae321377c18400c09ff75c9aee6.exe

  • Size

    1.4MB

  • MD5

    201e9ae321377c18400c09ff75c9aee6

  • SHA1

    22402aee8967bb97e65cdc7a2b1fd051d4599bba

  • SHA256

    d0086a02cd46959e9e0e7309a97a5ab08ff482262406bfd7e35fe6351f98c124

  • SHA512

    1a865fadc93b6f95554ca6940712b181f057da66ac73e28c22fe1f1838cd12016f28ca5f05241a3f4778d34609e857913c3e1063f59ce3ba9ea7ac5d0a5909d4

  • SSDEEP

    24576:rAOcZEhNWxlG7m4/9eBcA4CCEti0POqh/0rEOTq6ai0bagi7xa5C:tyxlk9eBVlCGVPOwOTq6d4a5w8

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newme122.3utilities.com:8822

newme1122.3utilities.com:8822

Mutex

dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    newme1122.3utilities.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-31T13:00:17.372768836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8822

  • default_group

    A New TIme Has Come

  • 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

    dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    newme122.3utilities.com

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_201e9ae321377c18400c09ff75c9aee6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_201e9ae321377c18400c09ff75c9aee6.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Users\Admin\04687118\vfqftjs.pif
      "C:\Users\Admin\04687118\vfqftjs.pif" benowsto.dso
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3872
      • 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:1600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\04687118\htdvvtoec.cpl

    Filesize

    57KB

    MD5

    7ed530856ca49cc6e529fde187cafa69

    SHA1

    45decbe54611c757d6ff1897cc5d8736663a235e

    SHA256

    b7dcb66c6681eca56a487148033d518dcf6bbc9f8daeb36065a62300bbf6bf18

    SHA512

    f653a02643cd32bd2c330c0a3e775ef518364229979a730e549a2bae4c2dd203b24e32b28572a8bfad81141cb0147e22fa177102a9428561b330554f51c5347a

  • C:\Users\Admin\04687118\vfqftjs.pif

    Filesize

    758KB

    MD5

    8935e163bb79e8d4b40b73521a06a0d1

    SHA1

    dfd9f6cd5dabf0c2fae0186b5471f025f542c708

    SHA256

    3a2b62144b3b6bc612770de7777233c96ea35e50e9fd7b0b482862825d728fdb

    SHA512

    76620b23fe5f2bcc783bcbd7fb27a68a171751a96b459f757045f80e027d452724c73292a008acad58eb58b6eb99dddf82130a83e761e35b7e5c4d89b058d175

  • C:\Users\Admin\04687118\xekts.rve

    Filesize

    1.0MB

    MD5

    9a23a74450492ba99ed6e21118519974

    SHA1

    097ebe56f9b80153cc85a9967a759a590c3e2fcd

    SHA256

    2afd228cda8311585ceada01a515dc32f21fc87e31b2c3eaec6fadb489779cbc

    SHA512

    e1885d3657275d8e70f0f61ac0a6af6c9202e233def34e820fb9054ab07f0b73c83edc667787263e3a29933fefa24d027cd61b14d3c156ece15692b9d8561511

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

    Filesize

    44KB

    MD5

    9d352bc46709f0cb5ec974633a0c3c94

    SHA1

    1969771b2f022f9a86d77ac4d4d239becdf08d07

    SHA256

    2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

    SHA512

    13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

  • memory/1600-74-0x00000000054B0000-0x00000000054C2000-memory.dmp

    Filesize

    72KB

  • memory/1600-79-0x0000000005EE0000-0x0000000005EF4000-memory.dmp

    Filesize

    80KB

  • memory/1600-67-0x0000000000500000-0x000000000058C000-memory.dmp

    Filesize

    560KB

  • memory/1600-68-0x0000000005600000-0x0000000005BA4000-memory.dmp

    Filesize

    5.6MB

  • memory/1600-69-0x0000000005130000-0x00000000051C2000-memory.dmp

    Filesize

    584KB

  • memory/1600-70-0x0000000005270000-0x000000000530C000-memory.dmp

    Filesize

    624KB

  • memory/1600-71-0x00000000051E0000-0x00000000051EA000-memory.dmp

    Filesize

    40KB

  • memory/1600-73-0x0000000005260000-0x000000000526A000-memory.dmp

    Filesize

    40KB

  • memory/1600-63-0x0000000000500000-0x0000000000B74000-memory.dmp

    Filesize

    6.5MB

  • memory/1600-75-0x00000000055D0000-0x00000000055EA000-memory.dmp

    Filesize

    104KB

  • memory/1600-76-0x0000000005EB0000-0x0000000005EBE000-memory.dmp

    Filesize

    56KB

  • memory/1600-66-0x000000007458E000-0x000000007458F000-memory.dmp

    Filesize

    4KB

  • memory/1600-78-0x0000000005ED0000-0x0000000005EDC000-memory.dmp

    Filesize

    48KB

  • memory/1600-77-0x0000000005EC0000-0x0000000005ECE000-memory.dmp

    Filesize

    56KB

  • memory/1600-80-0x0000000005EF0000-0x0000000005F00000-memory.dmp

    Filesize

    64KB

  • memory/1600-81-0x0000000005F10000-0x0000000005F24000-memory.dmp

    Filesize

    80KB

  • memory/1600-82-0x0000000005F20000-0x0000000005F2E000-memory.dmp

    Filesize

    56KB

  • memory/1600-83-0x0000000005F30000-0x0000000005F4E000-memory.dmp

    Filesize

    120KB

  • memory/1600-84-0x0000000005F60000-0x0000000005F6A000-memory.dmp

    Filesize

    40KB

  • memory/1600-85-0x00000000060B0000-0x00000000060DE000-memory.dmp

    Filesize

    184KB

  • memory/1600-86-0x00000000060F0000-0x0000000006104000-memory.dmp

    Filesize

    80KB

  • memory/1600-87-0x000000007458E000-0x000000007458F000-memory.dmp

    Filesize

    4KB