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Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/09/2024, 19:21

General

  • Target

    f456b551503ad95921e9cc9a3fb117be_JaffaCakes118.exe

  • Size

    680KB

  • MD5

    f456b551503ad95921e9cc9a3fb117be

  • SHA1

    03fdfe9e9d663f5c3d013b8ee9e9dab46bdda990

  • SHA256

    ea37dd28632e9d1cbba36da7d3daea76d4071af9f75d9afb29265edf1660aba1

  • SHA512

    2070fef9bb60225d53a483ddb4cda75823c8f45f8abfd25a036301564dd23ebf3f04aee9bc7e707f0802c83e025ef672c488367da4b6770f93c4318f10f2491a

  • SSDEEP

    12288:JcDUU1s3qeEP9VtBDMR7NuXXTT7jIm+HbAnQ97dtabaiFW8E6XorKbi8P5aUL5mf:JM1sav9v078TTHZ+7G47zzig2ou

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

shahzad73.casacam.net:9036

shahzad73.ddns.net:9036

Mutex

c4cca249-81f6-4232-9f14-01569e09f5f0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    shahzad73.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-06T13:23:03.514637236Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9036

  • default_group

    JANUARY

  • 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

    c4cca249-81f6-4232-9f14-01569e09f5f0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    shahzad73.casacam.net

  • 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 4 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 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f456b551503ad95921e9cc9a3fb117be_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f456b551503ad95921e9cc9a3fb117be_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:5100
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jqKaAumEoCrxw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE33C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4440
    • C:\Users\Admin\AppData\Local\Temp\f456b551503ad95921e9cc9a3fb117be_JaffaCakes118.exe
      "{path}"
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DNS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f456b551503ad95921e9cc9a3fb117be_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\tmpE33C.tmp

    Filesize

    1KB

    MD5

    842d4ea7953a7a2f2106b08494ebefbc

    SHA1

    6f2cd2c567f6f39cb60f633884798315bac8306b

    SHA256

    ee71b4ee052d1a54a6ed6acc3f9e33f3a13f629115441cfec289d689b658b8e6

    SHA512

    331a826cb1501366636ccbc9ecf9311f02abcecc0b12d0ace211ea18340f85796f3d3b26e1dd623c718acd3406539e11f5b06d6da36a96e411e0a8419cf2888c

  • C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp

    Filesize

    1KB

    MD5

    dc512af408d19e72426791a9b85f0442

    SHA1

    3b391a9b9dcbcef6844ce8b1b0155cda14169fa7

    SHA256

    51b4ffcc6534d26d752a1fe583034242e02ce0817ffff3bb075f91312204521e

    SHA512

    16611d34fb542d1356c1309300c05af3ec4262948baec2a475d9a7f770abd15710337ddd99a509a7d54877b2578a2976e8acc28205e645e85ca1dad91d746d63

  • memory/2976-28-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2976-27-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2976-26-0x0000000005930000-0x000000000593A000-memory.dmp

    Filesize

    40KB

  • memory/2976-25-0x0000000005910000-0x000000000592E000-memory.dmp

    Filesize

    120KB

  • memory/2976-24-0x0000000005360000-0x000000000536A000-memory.dmp

    Filesize

    40KB

  • memory/2976-19-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2976-17-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2976-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/5100-10-0x00000000089D0000-0x0000000008A5C000-memory.dmp

    Filesize

    560KB

  • memory/5100-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

    Filesize

    4KB

  • memory/5100-9-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/5100-8-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

    Filesize

    4KB

  • memory/5100-18-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/5100-7-0x0000000005D50000-0x0000000005D58000-memory.dmp

    Filesize

    32KB

  • memory/5100-6-0x0000000008630000-0x00000000086CC000-memory.dmp

    Filesize

    624KB

  • memory/5100-4-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/5100-5-0x0000000005A10000-0x0000000005A1A000-memory.dmp

    Filesize

    40KB

  • memory/5100-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

    Filesize

    584KB

  • memory/5100-2-0x0000000005F80000-0x0000000006524000-memory.dmp

    Filesize

    5.6MB

  • memory/5100-1-0x0000000000F90000-0x0000000001040000-memory.dmp

    Filesize

    704KB