Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 01:05

General

  • Target

    RECHNUNGEN MIT IBAN.exe

  • Size

    683KB

  • MD5

    62737dc772d7ab223bbc1785a0b9e540

  • SHA1

    b53bab1a6c131032d28e4259d05be33634af62ad

  • SHA256

    79216525955a188f2a55f94514cfe9b9c0c1ce1e116d930cd9c5600dfb46ddfd

  • SHA512

    8ddb107301aa5c05aa298a5def90c5fac642c26b441d83f832dd4b7cb4a8e81d59df8fa174160326532d43521425fae25f87ad302ac5f3212b434dec2c8ab600

  • SSDEEP

    12288:3AoO3myQx0xjsWjRr0xRXrTXF2O7+7Yte+iRR3TuK7ktBH/2Yba04x:3Smx0TRr4XHF2tU8337kt0v04

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.147.140.158:2323

Mutex

a988db37-80f7-4d81-b262-bd14326766b3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    194.147.140.158

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2023-12-23T03:20:22.055277036Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    2323

  • default_group

    image

  • 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

    a988db37-80f7-4d81-b262-bd14326766b3

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    194.147.140.158

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • 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).

  • 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 41 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RECHNUNGEN MIT IBAN.exe
    "C:\Users\Admin\AppData\Local\Temp\RECHNUNGEN MIT IBAN.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5040
    • 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\RECHNUNGEN MIT IBAN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3052
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QSiydtxApqxOny.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2196
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QSiydtxApqxOny" /XML "C:\Users\Admin\AppData\Local\Temp\tmp922E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2664
    • C:\Users\Admin\AppData\Local\Temp\RECHNUNGEN MIT IBAN.exe
      "C:\Users\Admin\AppData\Local\Temp\RECHNUNGEN MIT IBAN.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:4368
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9579.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:3756
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "IMAP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp96E2.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1536
      • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
        "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\sdc4rqqz.4ec"
        3⤵
          PID:692
        • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
          "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\sdc4rqqz.4ec"
          3⤵
            PID:4532
          • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
            "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\sdc4rqqz.4ec"
            3⤵
              PID:2332
            • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
              "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\sdc4rqqz.4ec"
              3⤵
                PID:2364
              • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
                "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\sdc4rqqz.4ec"
                3⤵
                  PID:4592
                • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
                  "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\bhbuq4aj.1tq"
                  3⤵
                    PID:4556
                  • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
                    "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\bhbuq4aj.1tq"
                    3⤵
                      PID:2032
                    • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
                      "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\bhbuq4aj.1tq"
                      3⤵
                        PID:3468
                      • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
                        "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\bhbuq4aj.1tq"
                        3⤵
                          PID:4832
                        • \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
                          "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\bhbuq4aj.1tq"
                          3⤵
                            PID:4436

                      Network

                      MITRE ATT&CK Matrix ATT&CK v13

                      Execution

                      Scripting

                      1
                      T1064

                      Scheduled Task/Job

                      1
                      T1053

                      Persistence

                      Boot or Logon Autostart Execution

                      1
                      T1547

                      Registry Run Keys / Startup Folder

                      1
                      T1547.001

                      Scheduled Task/Job

                      1
                      T1053

                      Privilege Escalation

                      Boot or Logon Autostart Execution

                      1
                      T1547

                      Registry Run Keys / Startup Folder

                      1
                      T1547.001

                      Scheduled Task/Job

                      1
                      T1053

                      Defense Evasion

                      Scripting

                      1
                      T1064

                      Modify Registry

                      1
                      T1112

                      Discovery

                      Query Registry

                      1
                      T1012

                      System Information Discovery

                      3
                      T1082

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\tmp922E.tmp
                        Filesize

                        1KB

                        MD5

                        4b4bfddf9a329f8b7595f6a681f315e8

                        SHA1

                        d4f182fa2325b96c4bcd875a1bc08f1a00a3634d

                        SHA256

                        9fccfd634d7b8c9f742123ee6887e5be94ed42501d7ea55c76a767749e8c246c

                        SHA512

                        da138250307e676ca35608714ed47b79ff60c90ce39481afaaf39f8377e1c6496f4362988194b10770ea0b1d27db4c2fc840e7ef9a0c2a6e56ffd751e92959d0

                      • C:\Users\Admin\AppData\Local\Temp\tmp9579.tmp
                        Filesize

                        1KB

                        MD5

                        f26a8ddabc8f08262b745c27a7d7d677

                        SHA1

                        7026e58863c9393454116a32a1e68a787a0343b2

                        SHA256

                        39e8909622f6f0da87f42525aa4b0a648f965df5a15fa16a6ba9475b05fa245f

                        SHA512

                        2ff198dc05404c1bd0de0ff561d4eb25e3f0034367f0e5098dc760c864fb7c5c86dbae6270cc1f518074bbd39a2f9ce34949c25e0904a1921d36cec185e267cf

                      • C:\Users\Admin\AppData\Local\Temp\tmp96E2.tmp
                        Filesize

                        1KB

                        MD5

                        266ebd097e1267e63a5abfc1dededae8

                        SHA1

                        b619bdaa65cbb17c86da3744e566e6a66c7057b4

                        SHA256

                        b3689f65cd1048f673cda43b0f93ffddb45bc67da94a62335b7c75ba0f0b2852

                        SHA512

                        4db2526f588777bfaf8b7d7799d19e5e384f0ed1fff1905196277383378a98e73b7952d4bccf22cd92c53b5d7f9c9057f896a773a58b1908fe4a41aadae047bd

                      • memory/2196-77-0x0000000006C70000-0x0000000006C8E000-memory.dmp
                        Filesize

                        120KB

                      • memory/2196-55-0x00000000066F0000-0x000000000673C000-memory.dmp
                        Filesize

                        304KB

                      • memory/2196-104-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/2196-97-0x0000000007D20000-0x0000000007D3A000-memory.dmp
                        Filesize

                        104KB

                      • memory/2196-96-0x0000000007C20000-0x0000000007C34000-memory.dmp
                        Filesize

                        80KB

                      • memory/2196-64-0x000000007F9C0000-0x000000007F9D0000-memory.dmp
                        Filesize

                        64KB

                      • memory/2196-65-0x00000000754B0000-0x00000000754FC000-memory.dmp
                        Filesize

                        304KB

                      • memory/2196-94-0x0000000007BE0000-0x0000000007BF1000-memory.dmp
                        Filesize

                        68KB

                      • memory/2196-92-0x0000000007A50000-0x0000000007A5A000-memory.dmp
                        Filesize

                        40KB

                      • memory/2196-17-0x0000000002D20000-0x0000000002D56000-memory.dmp
                        Filesize

                        216KB

                      • memory/2196-91-0x00000000079E0000-0x00000000079FA000-memory.dmp
                        Filesize

                        104KB

                      • memory/2196-78-0x0000000005350000-0x0000000005360000-memory.dmp
                        Filesize

                        64KB

                      • memory/2196-20-0x0000000005990000-0x0000000005FB8000-memory.dmp
                        Filesize

                        6.2MB

                      • memory/2196-54-0x00000000066C0000-0x00000000066DE000-memory.dmp
                        Filesize

                        120KB

                      • memory/2196-21-0x0000000005350000-0x0000000005360000-memory.dmp
                        Filesize

                        64KB

                      • memory/2196-26-0x0000000006030000-0x0000000006096000-memory.dmp
                        Filesize

                        408KB

                      • memory/2196-23-0x0000000005350000-0x0000000005360000-memory.dmp
                        Filesize

                        64KB

                      • memory/2196-88-0x0000000007700000-0x00000000077A3000-memory.dmp
                        Filesize

                        652KB

                      • memory/2196-25-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/3052-19-0x0000000004C30000-0x0000000004C40000-memory.dmp
                        Filesize

                        64KB

                      • memory/3052-89-0x0000000004C30000-0x0000000004C40000-memory.dmp
                        Filesize

                        64KB

                      • memory/3052-105-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/3052-95-0x00000000072C0000-0x00000000072CE000-memory.dmp
                        Filesize

                        56KB

                      • memory/3052-28-0x0000000005030000-0x0000000005096000-memory.dmp
                        Filesize

                        408KB

                      • memory/3052-98-0x00000000073B0000-0x00000000073B8000-memory.dmp
                        Filesize

                        32KB

                      • memory/3052-24-0x0000000004DB0000-0x0000000004DD2000-memory.dmp
                        Filesize

                        136KB

                      • memory/3052-63-0x0000000006CF0000-0x0000000006D22000-memory.dmp
                        Filesize

                        200KB

                      • memory/3052-71-0x00000000754B0000-0x00000000754FC000-memory.dmp
                        Filesize

                        304KB

                      • memory/3052-93-0x0000000007310000-0x00000000073A6000-memory.dmp
                        Filesize

                        600KB

                      • memory/3052-76-0x000000007F220000-0x000000007F230000-memory.dmp
                        Filesize

                        64KB

                      • memory/3052-90-0x00000000076E0000-0x0000000007D5A000-memory.dmp
                        Filesize

                        6.5MB

                      • memory/3052-18-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/4368-108-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
                        Filesize

                        64KB

                      • memory/4368-113-0x0000000006670000-0x0000000006682000-memory.dmp
                        Filesize

                        72KB

                      • memory/4368-120-0x0000000006700000-0x000000000672E000-memory.dmp
                        Filesize

                        184KB

                      • memory/4368-119-0x00000000066F0000-0x00000000066FE000-memory.dmp
                        Filesize

                        56KB

                      • memory/4368-118-0x00000000066D0000-0x00000000066E4000-memory.dmp
                        Filesize

                        80KB

                      • memory/4368-61-0x0000000005EC0000-0x0000000005EDE000-memory.dmp
                        Filesize

                        120KB

                      • memory/4368-117-0x00000000066B0000-0x00000000066C0000-memory.dmp
                        Filesize

                        64KB

                      • memory/4368-62-0x0000000005EE0000-0x0000000005EEA000-memory.dmp
                        Filesize

                        40KB

                      • memory/4368-60-0x0000000005120000-0x000000000512A000-memory.dmp
                        Filesize

                        40KB

                      • memory/4368-116-0x00000000066A0000-0x00000000066B4000-memory.dmp
                        Filesize

                        80KB

                      • memory/4368-115-0x0000000006690000-0x000000000669E000-memory.dmp
                        Filesize

                        56KB

                      • memory/4368-114-0x0000000006680000-0x000000000668C000-memory.dmp
                        Filesize

                        48KB

                      • memory/4368-112-0x0000000006660000-0x000000000666E000-memory.dmp
                        Filesize

                        56KB

                      • memory/4368-111-0x0000000006640000-0x000000000665A000-memory.dmp
                        Filesize

                        104KB

                      • memory/4368-110-0x00000000063A0000-0x00000000063B2000-memory.dmp
                        Filesize

                        72KB

                      • memory/4368-107-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/4368-27-0x0000000000400000-0x0000000000438000-memory.dmp
                        Filesize

                        224KB

                      • memory/4368-50-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
                        Filesize

                        64KB

                      • memory/4368-48-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/5040-4-0x0000000006500000-0x0000000006854000-memory.dmp
                        Filesize

                        3.3MB

                      • memory/5040-5-0x0000000005CD0000-0x0000000005CE0000-memory.dmp
                        Filesize

                        64KB

                      • memory/5040-49-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/5040-7-0x00000000089B0000-0x0000000008A4C000-memory.dmp
                        Filesize

                        624KB

                      • memory/5040-0-0x0000000000F90000-0x0000000001040000-memory.dmp
                        Filesize

                        704KB

                      • memory/5040-9-0x0000000007060000-0x000000000706C000-memory.dmp
                        Filesize

                        48KB

                      • memory/5040-6-0x0000000005A20000-0x0000000005A2A000-memory.dmp
                        Filesize

                        40KB

                      • memory/5040-3-0x0000000005A40000-0x0000000005AD2000-memory.dmp
                        Filesize

                        584KB

                      • memory/5040-11-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/5040-10-0x0000000007360000-0x00000000073DA000-memory.dmp
                        Filesize

                        488KB

                      • memory/5040-2-0x0000000005F50000-0x00000000064F4000-memory.dmp
                        Filesize

                        5.6MB

                      • memory/5040-16-0x0000000005CD0000-0x0000000005CE0000-memory.dmp
                        Filesize

                        64KB

                      • memory/5040-1-0x0000000074C30000-0x00000000753E0000-memory.dmp
                        Filesize

                        7.7MB

                      • memory/5040-8-0x0000000005EA0000-0x0000000005EB2000-memory.dmp
                        Filesize

                        72KB