Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-10-2022 03:19

General

  • Target

    New Order Nov _22 Doc.exe

  • Size

    679KB

  • MD5

    eb581ac9d82bd04c09aeab67e9e2186e

  • SHA1

    2550739f500749f88f3a5b89d26097d9d79df005

  • SHA256

    ab321f1e18f45789460ef7a7666b0f220848bf36c9a3cb7ae6ac1b9c7a1ad2e0

  • SHA512

    4e380e1e4780c37a51bff5f44892a6f80e19dfa7f2055ed993725bed268abfa45d10beb4b723949f44d72412369516b0d9510a0c8aa0fc341feefc3cb7078b90

  • SSDEEP

    12288:Uanh79PKDtF5y80PAdLaHrJe8+4VuXK5tuKkDEpfsAIHnt:NKpF5y9PeyF9iK5tufEpfsAkn

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.231:6030

Mutex

711379fc-afa6-423a-ba67-51c2347911f4

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-08-02T22:54:59.827195236Z

  • 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

    6030

  • default_group

    TONERO

  • 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

    711379fc-afa6-423a-ba67-51c2347911f4

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    194.5.97.231

  • 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.

  • 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). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 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\New Order Nov _22 Doc.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1276
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XKnuIeXQvD.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XKnuIeXQvD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB6D2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1700
    • C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe"
      2⤵
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe
        "C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe"
        2⤵
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "AGP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBFD7.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:1912
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "AGP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC0D1.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:836

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpB6D2.tmp
      Filesize

      1KB

      MD5

      00f82a156edb746633a55af7d3013828

      SHA1

      0d08b4e454689b41a2c31f416be3c7a3f1b942a8

      SHA256

      50221b0ddf1e55057142983af7e8c4a4329aaa2f07c4ac342f9e57fcb7ad5308

      SHA512

      308a60bb2ad15af3fa273c6e04c2d24c42c843993c4bc81f0fd2f3b81b88a829d2f351a824ec71273a40e74b401fed684e4db2c72ff3abc97798b083e94236b1

    • C:\Users\Admin\AppData\Local\Temp\tmpBFD7.tmp
      Filesize

      1KB

      MD5

      f964b80debb763d0dbd0c6914cef7eaa

      SHA1

      4032c4feae2a63339c4001b9eba64d22305a0cf7

      SHA256

      095892b6f71fd1ef6311da6df56fac6d0e315994014fab2d4a434f3d8b3f56c7

      SHA512

      c09b4051b638af64e3ef530705b85f15f96441b7bd859f860646dd927f361ee07552720805c7405661ede2449fa4269a87351116c43b56736cb4bfd3cb210689

    • C:\Users\Admin\AppData\Local\Temp\tmpC0D1.tmp
      Filesize

      1KB

      MD5

      885d6dd30570594e167fadb59d9ca0ea

      SHA1

      9981e583644c4eb9cf5056615a0e1c2913c8983b

      SHA256

      7155bc082d1713d77c2797575ee0ade8467fb7012f5376c1d6f4aa618141a7d2

      SHA512

      1623218143c2c25a7c85fa9da8e0f251f04a5eb848c4d0aa10bfb78688518b82393a2b3c7f287a9dc06a366ef9f46d0d4e2d246ad4cef4554a74c0bb6ff9dd2a

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

      7KB

      MD5

      0e1b629b5b687a69acca3721e25aad78

      SHA1

      5613f812b655122a893c9c87c6e3d1a3352d3674

      SHA256

      b4defed04960a0b3253cca70d07459d9eb4963fadd47ec5415244e033d96b7b2

      SHA512

      f98e7b4dcdd01ebd8fa08e94e8255223cffe78c98ff2052cfca727d8f9a6dda6756e603c4c7194db1b228af2b76884b9ed26f82ce99babc874361dd536f80b87

    • memory/636-80-0x000000006E150000-0x000000006E6FB000-memory.dmp
      Filesize

      5.7MB

    • memory/636-90-0x000000006E150000-0x000000006E6FB000-memory.dmp
      Filesize

      5.7MB

    • memory/636-61-0x0000000000000000-mapping.dmp
    • memory/836-84-0x0000000000000000-mapping.dmp
    • memory/1276-89-0x000000006E150000-0x000000006E6FB000-memory.dmp
      Filesize

      5.7MB

    • memory/1276-59-0x0000000000000000-mapping.dmp
    • memory/1276-79-0x000000006E150000-0x000000006E6FB000-memory.dmp
      Filesize

      5.7MB

    • memory/1492-66-0x0000000005150000-0x000000000518A000-memory.dmp
      Filesize

      232KB

    • memory/1492-58-0x0000000004A70000-0x0000000004AE4000-memory.dmp
      Filesize

      464KB

    • memory/1492-54-0x0000000000C70000-0x0000000000D20000-memory.dmp
      Filesize

      704KB

    • memory/1492-57-0x00000000003E0000-0x00000000003EC000-memory.dmp
      Filesize

      48KB

    • memory/1492-56-0x00000000003B0000-0x00000000003C8000-memory.dmp
      Filesize

      96KB

    • memory/1492-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
      Filesize

      8KB

    • memory/1700-62-0x0000000000000000-mapping.dmp
    • memory/1704-70-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/1704-76-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/1704-78-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/1704-73-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/1704-74-0x000000000041E792-mapping.dmp
    • memory/1704-71-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/1704-86-0x0000000000380000-0x000000000038A000-memory.dmp
      Filesize

      40KB

    • memory/1704-87-0x00000000003E0000-0x00000000003FE000-memory.dmp
      Filesize

      120KB

    • memory/1704-88-0x0000000000390000-0x000000000039A000-memory.dmp
      Filesize

      40KB

    • memory/1704-68-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/1704-67-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/1912-82-0x0000000000000000-mapping.dmp