Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 00:05

General

  • Target

    5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe

  • Size

    809KB

  • MD5

    e41259bdd0aea7906328664ee832eee4

  • SHA1

    d91c83b3ed2cc305306ad91ab6ea63c71484eb42

  • SHA256

    5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24

  • SHA512

    8c6748831a6308d839ae44556e9b51936d67833473aa9ee0b4a5f351e0ab3e95d6257bb5bdf3ec4bbc6234315c26837d04a9d9c19674ddc96828e3755a8c87f7

  • SSDEEP

    12288:BheqUG6KHSM+6FrYFKzpunymC2FQmXH1WHqBiX+Xxx2h+CHL+zybG:BheqUGh+QYFIunyuFbE2iAxxATL+yi

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

swagkhalifa.ddns.net:1338

Mutex

4212a0cf-446a-4d83-8077-6890f05a685f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2014-09-12T11:43:19.277498736Z

  • 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

    1338

  • default_group

    PayDay2

  • 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

    4212a0cf-446a-4d83-8077-6890f05a685f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    swagkhalifa.ddns.net

  • primary_dns_server

  • 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

    1.2.1.1

  • wan_timeout

    8000

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe
    "C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > "C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe":ZONE.identifier & exit
      2⤵
      • NTFS ADS
      PID:4008
    • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe
      "C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:444
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > "C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe":ZONE.identifier & exit
        3⤵
        • NTFS ADS
        PID:4728
      • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe
        "C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4628
        • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe
          "C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe"
          4⤵
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2528
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "DDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp47A8.tmp"
            5⤵
            • Creates scheduled task(s)
            PID:4088

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe.log

          Filesize

          492B

          MD5

          025b651197a4e2e1582d1b06958c1b91

          SHA1

          824504eaa5092ab3834a2feba7fdfd1492c3e28a

          SHA256

          1210ce1260f4f2db72186e5a5a7a094e3512876ca4b60263864250a0aebde2e7

          SHA512

          29908a50ce65051eefe631a4938bc08c0967d3117c99120a9b0ffef35801bfef124165906b767e357a2656a7f584e85fb82c7e3f8b8084ff9756fd621c73a024

        • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe

          Filesize

          809KB

          MD5

          e41259bdd0aea7906328664ee832eee4

          SHA1

          d91c83b3ed2cc305306ad91ab6ea63c71484eb42

          SHA256

          5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24

          SHA512

          8c6748831a6308d839ae44556e9b51936d67833473aa9ee0b4a5f351e0ab3e95d6257bb5bdf3ec4bbc6234315c26837d04a9d9c19674ddc96828e3755a8c87f7

        • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe

          Filesize

          809KB

          MD5

          e41259bdd0aea7906328664ee832eee4

          SHA1

          d91c83b3ed2cc305306ad91ab6ea63c71484eb42

          SHA256

          5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24

          SHA512

          8c6748831a6308d839ae44556e9b51936d67833473aa9ee0b4a5f351e0ab3e95d6257bb5bdf3ec4bbc6234315c26837d04a9d9c19674ddc96828e3755a8c87f7

        • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe

          Filesize

          809KB

          MD5

          e41259bdd0aea7906328664ee832eee4

          SHA1

          d91c83b3ed2cc305306ad91ab6ea63c71484eb42

          SHA256

          5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24

          SHA512

          8c6748831a6308d839ae44556e9b51936d67833473aa9ee0b4a5f351e0ab3e95d6257bb5bdf3ec4bbc6234315c26837d04a9d9c19674ddc96828e3755a8c87f7

        • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe

          Filesize

          809KB

          MD5

          e41259bdd0aea7906328664ee832eee4

          SHA1

          d91c83b3ed2cc305306ad91ab6ea63c71484eb42

          SHA256

          5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24

          SHA512

          8c6748831a6308d839ae44556e9b51936d67833473aa9ee0b4a5f351e0ab3e95d6257bb5bdf3ec4bbc6234315c26837d04a9d9c19674ddc96828e3755a8c87f7

        • C:\Users\Admin\AppData\Local\Temp\5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24.exe

          Filesize

          809KB

          MD5

          e41259bdd0aea7906328664ee832eee4

          SHA1

          d91c83b3ed2cc305306ad91ab6ea63c71484eb42

          SHA256

          5c3957967de7ecb76bde5018c70bd7e31dd6ac74c1ef8e6a6f1bec57fbda4c24

          SHA512

          8c6748831a6308d839ae44556e9b51936d67833473aa9ee0b4a5f351e0ab3e95d6257bb5bdf3ec4bbc6234315c26837d04a9d9c19674ddc96828e3755a8c87f7

        • C:\Users\Admin\AppData\Local\Temp\tmp47A8.tmp

          Filesize

          1KB

          MD5

          2823457b564244a92005e8871de0d5f4

          SHA1

          60eab43588812664b00b9eb0027b98c23e1c9d82

          SHA256

          8349670705974436cf7ef4e32215154b5344ae533972e0d5fc84e21b76a665cf

          SHA512

          4f13f920ae00330a28a574694028eab73d5fa4cf5d5162c1514a96507ee71e7a539324d749db92aa4b1cac088ee4cf786fc7a90c03e75a9eddbb0745fd2e7b60

        • memory/444-137-0x0000000000400000-0x00000000004BA000-memory.dmp

          Filesize

          744KB

        • memory/444-139-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB

        • memory/444-147-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB

        • memory/1400-133-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB

        • memory/1400-140-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB

        • memory/1400-132-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB

        • memory/2528-150-0x0000000000400000-0x000000000047C000-memory.dmp

          Filesize

          496KB

        • memory/2528-153-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB

        • memory/2528-156-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB

        • memory/4628-144-0x0000000000400000-0x00000000004AA000-memory.dmp

          Filesize

          680KB

        • memory/4628-148-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB

        • memory/4628-152-0x0000000074F40000-0x00000000754F1000-memory.dmp

          Filesize

          5.7MB