Analysis

  • max time kernel
    138s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 00:24

General

  • Target

    c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe

  • Size

    445KB

  • MD5

    c5052a4af2f30bb484ed1814798b3348

  • SHA1

    e1b3256191cd19bbb654667a9a2f1ae2218bd221

  • SHA256

    82f425150e933ae4f1f3174cf68bbfdb0e8ed8767b511e80ff95595881c9867b

  • SHA512

    5283d6182f50d2332025f8310604478379d34c34effd300f3ab18752e20ce96b41eb2f45b582e67d73ee2c1e3387479029f7620f84d149886f4a0fe4bae503c9

  • SSDEEP

    12288:D0aTjl7CIIf7lfoQpxmk/9z92FQI8n42ru:RTjlGIIfB5pQIfo8n42C

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

195.242.110.183:5654

Mutex

91612fd5-69d9-4114-9ab3-91d748463d48

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    195.242.110.183

  • backup_dns_server

    195.242.110.183

  • buffer_size

    65535

  • build_time

    2021-05-21T07:22:15.520160336Z

  • 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

    5654

  • default_group

    Default

  • 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

    91612fd5-69d9-4114-9ab3-91d748463d48

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    195.242.110.183

  • primary_dns_server

    195.242.110.183

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • 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
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 29 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.8
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.8
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
      2⤵
        PID:9884
      • C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
        2⤵
          PID:9892
        • C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
          C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
          2⤵
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:9904
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7677.tmp"
            3⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:10012
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7714.tmp"
            3⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:10064

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp7677.tmp

        Filesize

        1KB

        MD5

        e6a32e0c3c2d508fbceb4b4c35aef127

        SHA1

        03aec97f485fb9d33989f74683f8a191cd747187

        SHA256

        e530569890d87203f16610bfc5cac4a47ce2fba5ef7ec5f3f12e806bd92f4582

        SHA512

        d2f8c2a604c98c259096e4e262bcd1079975d5d52ac6e750e74e37ab27bd622c5e7a89b35f1e5ea7943b8dbc001591a8645c835f2d01e795337e7f8b026fd58e

      • C:\Users\Admin\AppData\Local\Temp\tmp7714.tmp

        Filesize

        1KB

        MD5

        bbb0d424bb7cb3b0e6aeb68cf82b8f5f

        SHA1

        7e95dcd21a27ee53e5c23ed5a163df56a43d572a

        SHA256

        08d6bee474edf0151a0d8ff942ba9e6a1efe069585c63477abd1c7bd8046e130

        SHA512

        0dc790a415f9717f6e7633c1d5f2749a2eca5582c5bbe114119c3ddba6d4e4d0df48029622e2fe07f94d8ae97c334b88691b7721da50ada261449769ae31d466

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

        Filesize

        7KB

        MD5

        dfbaf34679f3972c3177a5a5ddfec78d

        SHA1

        b04db18bef3d3d64f1817e753774a68b0746ecab

        SHA256

        7063ec80be26773b5404f4afd784947d4b6ee322f9d220e7168fea77f61e2563

        SHA512

        4322d6de615163b460642e4d5f8856acc16f428e195347e0df74240344d19c9454eb8269390155566c43d52a1687e155f5b165632731c8627d46f70b40f93464

      • memory/2188-57-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-55-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-77-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-2093-0x00000000749F0000-0x00000000750DE000-memory.dmp

        Filesize

        6.9MB

      • memory/2188-13-0x00000000051E0000-0x000000000524C000-memory.dmp

        Filesize

        432KB

      • memory/2188-45-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-43-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-41-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-39-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-37-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-35-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-33-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-31-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-29-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-27-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-25-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-23-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-75-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-19-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-17-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-15-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-1-0x00000000012F0000-0x0000000001366000-memory.dmp

        Filesize

        472KB

      • memory/2188-12-0x0000000005170000-0x00000000051D8000-memory.dmp

        Filesize

        416KB

      • memory/2188-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

        Filesize

        6.9MB

      • memory/2188-21-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-73-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-71-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-69-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-67-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-65-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-63-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-61-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-59-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

        Filesize

        4KB

      • memory/2188-6-0x00000000749F0000-0x00000000750DE000-memory.dmp

        Filesize

        6.9MB

      • memory/2188-53-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-14-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-51-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-49-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2188-47-0x00000000051E0000-0x0000000005246000-memory.dmp

        Filesize

        408KB

      • memory/2688-5-0x0000000002D60000-0x0000000002DA0000-memory.dmp

        Filesize

        256KB

      • memory/9904-2102-0x0000000000C10000-0x0000000000C2E000-memory.dmp

        Filesize

        120KB

      • memory/9904-2092-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/9904-2101-0x0000000000540000-0x000000000054A000-memory.dmp

        Filesize

        40KB

      • memory/9904-2103-0x0000000000550000-0x000000000055A000-memory.dmp

        Filesize

        40KB