Analysis

  • max time kernel
    141s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2023, 08:38

General

  • Target

    DOC-T534299200-MTLBS63494-SBLVT8376- MAERSKLINE VOYAGE-BL-20231117.pdf/DOC-T534299200-MTLBS63494-SBL.exe

  • Size

    1.1MB

  • MD5

    5374e59df4173dae04ac7d32c2d86f73

  • SHA1

    6f155523a15cf75da3da4f68497c2bfc193aa697

  • SHA256

    15eb2661ad7f1b8fe7ab9b64b4b1daf4abd3e322a980ed02f474253ea506f243

  • SHA512

    a65615104a467a1b6bc64b3a574acdcad30a1de35aec14701807d6e50892b2603612159841fc1df1c49ba6e1b2e63e936e1dcb36ce73472923d07153a39e10f8

  • SSDEEP

    24576:FHlEonyixAaqs6k2fHta5FPr+mpmNEkLgQVCe1BWC0u:bEonZb6kcH83Pr+mEawgeCejWC0u

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

slucasanderson.ddns.net:54357

Mutex

51f1b65d-a9f7-49be-866e-8f5e473b37dc

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    slucasanderson.ddns.net

  • backup_dns_server

  • buffer_size

    65538

  • build_time

    2023-04-07T16:12:16.438532636Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54357

  • default_group

    slucasanderson

  • enable_debug_mode

    true

  • gc_threshold

    1.0485772e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.0485772e+07

  • mutex

    51f1b65d-a9f7-49be-866e-8f5e473b37dc

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    slucasanderson.ddns.net

  • primary_dns_server

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8009

Signatures

  • NanoCore

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 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).

  • 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 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOC-T534299200-MTLBS63494-SBLVT8376- MAERSKLINE VOYAGE-BL-20231117.pdf\DOC-T534299200-MTLBS63494-SBL.exe
    "C:\Users\Admin\AppData\Local\Temp\DOC-T534299200-MTLBS63494-SBLVT8376- MAERSKLINE VOYAGE-BL-20231117.pdf\DOC-T534299200-MTLBS63494-SBL.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4684
    • 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\DOC-T534299200-MTLBS63494-SBLVT8376- MAERSKLINE VOYAGE-BL-20231117.pdf\DOC-T534299200-MTLBS63494-SBL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4980
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NNQXxJO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:920
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NNQXxJO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB3F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3504
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3228
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD978.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1316
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDA05.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:752

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          3d086a433708053f9bf9523e1d87a4e8

          SHA1

          b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

          SHA256

          6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

          SHA512

          931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          3fa0faab256ab2f5e1c10a27517b8795

          SHA1

          fc07b4cef64e5e3bc6278b459b9583bc30c89837

          SHA256

          3c900585ef086db68c0dbf15ad3f2e1527bf5f91c0ee65df77f3bf61d2cdbb00

          SHA512

          2b16fa43255e3a2b9d5aa313b1c6afa2095ed3757fe8e871f443c1c36fbc0ef768cd4cb4c6bcae58f00c4d032f0456b4e1e02cd64077ddcd53b325140141a920

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xlxtfogi.n2u.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmpCB3F.tmp

          Filesize

          1KB

          MD5

          a28c62a9ab0a6840fc60e449a926ff6f

          SHA1

          2482895851f5f42a46cfc0be3b4da8036f16ad31

          SHA256

          72c1f93096cd10a8cf82faa1f60b6801cb5f64637c1a358497d519b847b2c8de

          SHA512

          f5c44e1425875816bf603156fb41ddb675f51618640793679d192ac918c110c90bfb7ff6e222b1f4284de31dd4e4e3f43e892e69301eb67d61553eed90840b1d

        • C:\Users\Admin\AppData\Local\Temp\tmpD978.tmp

          Filesize

          1KB

          MD5

          8cad1b41587ced0f1e74396794f31d58

          SHA1

          11054bf74fcf5e8e412768035e4dae43aa7b710f

          SHA256

          3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

          SHA512

          99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

        • C:\Users\Admin\AppData\Local\Temp\tmpDA05.tmp

          Filesize

          1KB

          MD5

          10fabfd2c6060c2db1bd6c6f3070be16

          SHA1

          65f418ad9715165a57efb4da44717dfcdfb71097

          SHA256

          1dd3aba494ff6ac9cd0437cbdeac0b0da0dea26828f45acded7d40f1b3461270

          SHA512

          9b21ce066c75fe9d4b12d8770920c51f5dcd0ba986b453fec93643f08d656b13e8d618d712414ca4dfda3f0cfad7371b3c2ad2d5620909e0ce43f1352d8a4485

        • memory/920-101-0x0000000007660000-0x000000000767A000-memory.dmp

          Filesize

          104KB

        • memory/920-68-0x00000000065E0000-0x0000000006612000-memory.dmp

          Filesize

          200KB

        • memory/920-70-0x000000007F280000-0x000000007F290000-memory.dmp

          Filesize

          64KB

        • memory/920-71-0x0000000070200000-0x000000007024C000-memory.dmp

          Filesize

          304KB

        • memory/920-66-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

          Filesize

          64KB

        • memory/920-94-0x0000000007320000-0x000000000733A000-memory.dmp

          Filesize

          104KB

        • memory/920-97-0x00000000075A0000-0x0000000007636000-memory.dmp

          Filesize

          600KB

        • memory/920-53-0x0000000005B00000-0x0000000005E54000-memory.dmp

          Filesize

          3.3MB

        • memory/920-19-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

          Filesize

          64KB

        • memory/920-20-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

          Filesize

          64KB

        • memory/920-25-0x00000000745C0000-0x0000000074D70000-memory.dmp

          Filesize

          7.7MB

        • memory/920-114-0x00000000745C0000-0x0000000074D70000-memory.dmp

          Filesize

          7.7MB

        • memory/3228-62-0x00000000069A0000-0x00000000069AC000-memory.dmp

          Filesize

          48KB

        • memory/3228-63-0x00000000069B0000-0x00000000069CE000-memory.dmp

          Filesize

          120KB

        • memory/3228-22-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/3228-120-0x0000000007340000-0x000000000734E000-memory.dmp

          Filesize

          56KB

        • memory/3228-119-0x0000000007330000-0x0000000007344000-memory.dmp

          Filesize

          80KB

        • memory/3228-27-0x00000000745C0000-0x0000000074D70000-memory.dmp

          Filesize

          7.7MB

        • memory/3228-116-0x00000000072F0000-0x0000000007304000-memory.dmp

          Filesize

          80KB

        • memory/3228-118-0x0000000007320000-0x0000000007330000-memory.dmp

          Filesize

          64KB

        • memory/3228-31-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

          Filesize

          64KB

        • memory/3228-112-0x00000000072D0000-0x00000000072DE000-memory.dmp

          Filesize

          56KB

        • memory/3228-115-0x00000000072E0000-0x00000000072EC000-memory.dmp

          Filesize

          48KB

        • memory/3228-106-0x00000000072B0000-0x00000000072BE000-memory.dmp

          Filesize

          56KB

        • memory/3228-107-0x00000000072C0000-0x00000000072D2000-memory.dmp

          Filesize

          72KB

        • memory/3228-105-0x0000000007280000-0x000000000729A000-memory.dmp

          Filesize

          104KB

        • memory/3228-104-0x0000000007270000-0x0000000007282000-memory.dmp

          Filesize

          72KB

        • memory/3228-65-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

          Filesize

          64KB

        • memory/3228-61-0x00000000067D0000-0x00000000067DA000-memory.dmp

          Filesize

          40KB

        • memory/3228-64-0x0000000006B20000-0x0000000006B2A000-memory.dmp

          Filesize

          40KB

        • memory/4684-7-0x00000000055E0000-0x00000000055F6000-memory.dmp

          Filesize

          88KB

        • memory/4684-3-0x0000000005450000-0x00000000054E2000-memory.dmp

          Filesize

          584KB

        • memory/4684-26-0x00000000056B0000-0x00000000056C0000-memory.dmp

          Filesize

          64KB

        • memory/4684-28-0x00000000745C0000-0x0000000074D70000-memory.dmp

          Filesize

          7.7MB

        • memory/4684-0-0x00000000008C0000-0x00000000009DE000-memory.dmp

          Filesize

          1.1MB

        • memory/4684-2-0x0000000005A00000-0x0000000005FA4000-memory.dmp

          Filesize

          5.6MB

        • memory/4684-9-0x0000000006950000-0x00000000069F8000-memory.dmp

          Filesize

          672KB

        • memory/4684-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

          Filesize

          7.7MB

        • memory/4684-18-0x00000000745C0000-0x0000000074D70000-memory.dmp

          Filesize

          7.7MB

        • memory/4684-8-0x0000000005670000-0x000000000567A000-memory.dmp

          Filesize

          40KB

        • memory/4684-4-0x00000000056B0000-0x00000000056C0000-memory.dmp

          Filesize

          64KB

        • memory/4684-5-0x00000000053E0000-0x00000000053EA000-memory.dmp

          Filesize

          40KB

        • memory/4684-6-0x00000000056C0000-0x000000000575C000-memory.dmp

          Filesize

          624KB

        • memory/4980-17-0x0000000004D50000-0x0000000005378000-memory.dmp

          Filesize

          6.2MB

        • memory/4980-81-0x000000007FAC0000-0x000000007FAD0000-memory.dmp

          Filesize

          64KB

        • memory/4980-92-0x0000000006BF0000-0x0000000006C93000-memory.dmp

          Filesize

          652KB

        • memory/4980-98-0x00000000070E0000-0x00000000070F1000-memory.dmp

          Filesize

          68KB

        • memory/4980-99-0x0000000007110000-0x000000000711E000-memory.dmp

          Filesize

          56KB

        • memory/4980-100-0x0000000007120000-0x0000000007134000-memory.dmp

          Filesize

          80KB

        • memory/4980-23-0x00000000022A0000-0x00000000022B0000-memory.dmp

          Filesize

          64KB

        • memory/4980-102-0x0000000007200000-0x0000000007208000-memory.dmp

          Filesize

          32KB

        • memory/4980-59-0x0000000005BD0000-0x0000000005BEE000-memory.dmp

          Filesize

          120KB

        • memory/4980-82-0x0000000006180000-0x000000000619E000-memory.dmp

          Filesize

          120KB

        • memory/4980-95-0x0000000006F50000-0x0000000006F5A000-memory.dmp

          Filesize

          40KB

        • memory/4980-93-0x0000000007520000-0x0000000007B9A000-memory.dmp

          Filesize

          6.5MB

        • memory/4980-15-0x00000000745C0000-0x0000000074D70000-memory.dmp

          Filesize

          7.7MB

        • memory/4980-69-0x0000000070200000-0x000000007024C000-memory.dmp

          Filesize

          304KB

        • memory/4980-21-0x00000000022A0000-0x00000000022B0000-memory.dmp

          Filesize

          64KB

        • memory/4980-32-0x0000000005560000-0x00000000055C6000-memory.dmp

          Filesize

          408KB

        • memory/4980-67-0x00000000022A0000-0x00000000022B0000-memory.dmp

          Filesize

          64KB

        • memory/4980-30-0x00000000054F0000-0x0000000005556000-memory.dmp

          Filesize

          408KB

        • memory/4980-117-0x00000000745C0000-0x0000000074D70000-memory.dmp

          Filesize

          7.7MB

        • memory/4980-29-0x0000000004CF0000-0x0000000004D12000-memory.dmp

          Filesize

          136KB

        • memory/4980-14-0x00000000022B0000-0x00000000022E6000-memory.dmp

          Filesize

          216KB

        • memory/4980-60-0x0000000005C10000-0x0000000005C5C000-memory.dmp

          Filesize

          304KB