Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11-08-2024 07:14

General

  • Target

    8978c92506c07d5302ce6dc662f9f04a_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    8978c92506c07d5302ce6dc662f9f04a

  • SHA1

    f428dc75757b74a4d4c5af2aead9c1632aadf1ab

  • SHA256

    ecdffe05411786c5546a7c19ccedf2414ed6f504f8c21f2c9549b00fcd3c0a0f

  • SHA512

    57e09ee7662110850d59f9a08093b6f309f03234b9f252ac491b73a1be3521e0a7f0764a597632332efb296944c741060015cd9692bdcc56e1d3abc55b0549c2

  • SSDEEP

    24576:AtNzf/+vtSE3hY2mvb8ryQr1+0sPMeLVwhlDKQHp:qfG1S+z88+Qr1+0sPMeLG7f

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

213.226.147.73:54984

Mutex

fda99c06-1575-4d54-814d-9fe92032a300

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    213.226.147.73

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2017-01-21T13:03:48.043104936Z

  • 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

    54984

  • 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

    fda99c06-1575-4d54-814d-9fe92032a300

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    213.226.147.73

  • primary_dns_server

    8.8.8.8

  • 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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 8 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8978c92506c07d5302ce6dc662f9f04a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8978c92506c07d5302ce6dc662f9f04a_JaffaCakes118.exe"
    1⤵
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Delete /TN "Update\4aa57bbc-7206-4ec5-aeea-8c7974e0194c" /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2760
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\4aa57bbc-7206-4ec5-aeea-8c7974e0194c" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1602942216.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:572
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /K "C:\Users\Admin\AppData\Roaming\WipeShadow.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:776
      • C:\Users\Admin\AppData\Roaming\WipeShadow.exe
        C:\Users\Admin\AppData\Roaming\WipeShadow.exe
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2404
        • C:\Users\Admin\AppData\Roaming\WipeShadow.exe
          C:\Users\Admin\AppData\Roaming\WipeShadow.exe
          4⤵
          • Executes dropped EXE
          • 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:2888
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "LAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE14A.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2688
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "LAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE199.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1602942216.tmp

    Filesize

    1KB

    MD5

    1c45ac6cd1a2aa5562ed24f954831b60

    SHA1

    92cafd3951d3f5a69d29e857a57b7d1b1986d68c

    SHA256

    9763ae2eaa58088e43894b8c5838ee9305e08f9205ccd39f65cb85f38ccad019

    SHA512

    bd7c0ef5faa73821bcd9b7ba501903b35cdb4d10315cfeb1e5faea64d52f318e8e238de146462dc0770dc389b297bcbafcafe093388f7125d370abae19bcf883

  • C:\Users\Admin\AppData\Local\Temp\tmpE14A.tmp

    Filesize

    1KB

    MD5

    20707a2bbefb54c4338abff0b582a7ac

    SHA1

    437f6821b31116249f9162d815c63ddff3f5238c

    SHA256

    6b4487be8ac7880176a332acda683c433d0a01ddd8aec856928adebeec98bec7

    SHA512

    f6d860fecbbb677062f1da72844370d72076d9483ba56b8c63d6ac8126d320621e04d007b38db750f4c6d43500f13a35cfabfd860196d5a0d9fd7467f2f7d814

  • C:\Users\Admin\AppData\Local\Temp\tmpE199.tmp

    Filesize

    1KB

    MD5

    924694e208642d4d8a4c7e0f0cba0de1

    SHA1

    87e9496a918036c3e3902f125b95a47e38548828

    SHA256

    8de0bab59a9fe15f312e81a373382ed992ce5110deb3813f663b92cfc5eae0b6

    SHA512

    ef3cfc08df53777f13fb51fdc0269f6f686c0df57c4dd72f395dc53d1d8ef2b08e33c3601507a45c3cc31a25b70ebf365d0fa93db64e1e851173216a45c49c2c

  • C:\Users\Admin\AppData\Roaming\WipeShadow.exe

    Filesize

    1.2MB

    MD5

    8978c92506c07d5302ce6dc662f9f04a

    SHA1

    f428dc75757b74a4d4c5af2aead9c1632aadf1ab

    SHA256

    ecdffe05411786c5546a7c19ccedf2414ed6f504f8c21f2c9549b00fcd3c0a0f

    SHA512

    57e09ee7662110850d59f9a08093b6f309f03234b9f252ac491b73a1be3521e0a7f0764a597632332efb296944c741060015cd9692bdcc56e1d3abc55b0549c2

  • memory/2404-18-0x00000000049E0000-0x00000000049E3000-memory.dmp

    Filesize

    12KB

  • memory/2696-13-0x0000000074CA0000-0x000000007524B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-8-0x0000000074CA0000-0x000000007524B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-5-0x0000000074CA0000-0x000000007524B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-0-0x0000000074CA1000-0x0000000074CA2000-memory.dmp

    Filesize

    4KB

  • memory/2696-4-0x0000000074CA0000-0x000000007524B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-3-0x0000000074CA0000-0x000000007524B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-2-0x0000000074CA0000-0x000000007524B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-1-0x0000000074CA0000-0x000000007524B000-memory.dmp

    Filesize

    5.7MB

  • memory/2888-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2888-22-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2888-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB