Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2024 01:04

General

  • Target

    1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    1a0825f4897c1dcf8e535685621556fe

  • SHA1

    eb2efd07aa29a9168a50d388ba705472637c2815

  • SHA256

    3c966798000d94713c63bbf32a52284ccd82811ae6dcb370cd075855010f9e34

  • SHA512

    41435061ba231b6615bffd951f4eadd60189f0569bac5b43fc2814f311d760850e789e7b99b54f079b7753a5967741937f68ad24ac5672f5dec6d3178f050497

  • SSDEEP

    24576:k3AZzPiHfpFxZTD/THyql7V3XR1nPtBYqJhtb2uqapso7wYR:6ApJanMaSo8YR

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.193.75.199:5449

Mutex

8c787b3f-fd76-4d9c-9dce-9c8a8d674358

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-03-17T22:50:16.495214936Z

  • 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

    5449

  • default_group

    KMCLAPS

  • 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

    8c787b3f-fd76-4d9c-9dce-9c8a8d674358

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    91.193.75.199

  • 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 whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe
      "1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe"
      2⤵
        PID:2456
      • C:\Users\Admin\AppData\Local\Temp\1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe
        "1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe"
        2⤵
          PID:2888
        • C:\Users\Admin\AppData\Local\Temp\1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe
          "1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe"
          2⤵
            PID:2396
          • C:\Users\Admin\AppData\Local\Temp\1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe
            "1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe"
            2⤵
              PID:1616
            • C:\Users\Admin\AppData\Local\Temp\1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe
              "1a0825f4897c1dcf8e535685621556fe_JaffaCakes118.exe"
              2⤵
              • Checks whether UAC is enabled
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1724
              • C:\Windows\SysWOW64\schtasks.exe
                "schtasks.exe" /create /f /tn "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1B00.tmp"
                3⤵
                • Creates scheduled task(s)
                PID:1800

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp1B00.tmp

            Filesize

            1KB

            MD5

            779b93dce4b119f3c6a6a9678d33cbdb

            SHA1

            7b70a8f6490885acc9b4f725d5a36d869951400b

            SHA256

            aebf4f6c2f58eceb924d4a3988824d58e7e44c8e6d31f7a1da761438fa59f129

            SHA512

            346f777e8535c10ad2eeacb06023f026f194930af91c7a958a659e6fe63bcb34bbc788d322b0559aead0aecf8576dcc5f61f3ec7434ecd2dc51e751e7f13dd91

          • memory/1724-100-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/1724-101-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/1724-102-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/1724-107-0x0000000000480000-0x000000000048A000-memory.dmp

            Filesize

            40KB

          • memory/1724-115-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/1724-114-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/1724-109-0x0000000000490000-0x000000000049A000-memory.dmp

            Filesize

            40KB

          • memory/1724-108-0x00000000005F0000-0x000000000060E000-memory.dmp

            Filesize

            120KB

          • memory/2184-73-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/2184-55-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-7-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-8-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-26-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-10-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-12-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-14-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-16-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-18-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-58-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-60-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-20-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-22-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-24-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-42-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-70-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-4-0x00000000008C0000-0x00000000008E8000-memory.dmp

            Filesize

            160KB

          • memory/2184-68-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-66-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-64-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-62-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-56-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-6-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/2184-52-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-50-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-48-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-46-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-44-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-40-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-38-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-36-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-34-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-3-0x00000000006C0000-0x0000000000722000-memory.dmp

            Filesize

            392KB

          • memory/2184-2-0x00000000005E0000-0x00000000005E8000-memory.dmp

            Filesize

            32KB

          • memory/2184-32-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-30-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-28-0x00000000008C0000-0x00000000008E1000-memory.dmp

            Filesize

            132KB

          • memory/2184-74-0x0000000000920000-0x0000000000958000-memory.dmp

            Filesize

            224KB

          • memory/2184-110-0x000000007413E000-0x000000007413F000-memory.dmp

            Filesize

            4KB

          • memory/2184-111-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/2184-112-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/2184-0-0x000000007413E000-0x000000007413F000-memory.dmp

            Filesize

            4KB

          • memory/2184-1-0x00000000009D0000-0x0000000000ABE000-memory.dmp

            Filesize

            952KB

          • memory/2456-113-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB

          • memory/2456-87-0x0000000074130000-0x000000007481E000-memory.dmp

            Filesize

            6.9MB