Analysis

  • max time kernel
    91s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2022 18:30

General

  • Target

    SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe

  • Size

    936KB

  • MD5

    b2a8c4a2dd041f92d259c02e924a3a4b

  • SHA1

    50022b4f5c9112c316f8157d9013af1a35d54e3e

  • SHA256

    8cfba40889bb7635de6a423b965ff717b778f2156df2489ca75fb67581cae5f2

  • SHA512

    bac1445b611c520ef7efda6bc6bc73e95152003d5490050ba151a03f6d8333adf05dc1e553cb5fba96814ecfe62627b5785d61b26b09c5ea3f3863a101f59833

  • SSDEEP

    12288:Qe1IEVkkHZzSX27YBaUw59YXXXSRFwKKbc2SCFybWl5b3R541e:QgCkH9Y27YoZkXXSRKY21QWl5bX41e

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

nonoise.duckdns.org:6060

127.0.0.1:6060

Mutex

e5b96835-fb4b-4c21-b4a5-85acaa364db0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2022-05-05T17:07:06.186249136Z

  • 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

    6060

  • default_group

    GREENGAS

  • 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

    e5b96835-fb4b-4c21-b4a5-85acaa364db0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    nonoise.duckdns.org

  • primary_dns_server

    37.235.1.174

  • 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.

  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4876
    • 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\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4084
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BCvgcNSl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4512
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BCvgcNSl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6EC7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4568
    • C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe"
      2⤵
        PID:3852
      • C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..exe
        "C:\Users\Admin\AppData\Local\Temp\SHIPMENT NOTIFICATION- EXPORTERS& IMPORTERS SCHEDULED DATE AVAILABLE..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:4884
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7455.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:4748
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp761B.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:376

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
      Filesize

      1KB

      MD5

      33b19d75aa77114216dbc23f43b195e3

      SHA1

      36a6c3975e619e0c5232aa4f5b7dc1fec9525535

      SHA256

      b23ced31b855e5a39c94afa1f9d55b023b8c40d4dc62143e0539c6916c12c9d2

      SHA512

      676fa2fd34878b75e5899197fe6826bb5604541aa468804bc9835bd3acabed2e6759878a8f1358955413818a51456816e90f149133828575a416c2a74fc7d821

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

      18KB

      MD5

      77df17aa5f7d2429b3979ee1776bd5b2

      SHA1

      2ece4f6d6b983d0104a607dbf1fd8dd285215fdf

      SHA256

      d533a72d4f2c603369f4c7c80205922a7225ba2f4ced74eca8a13bf65e2d33ec

      SHA512

      4f1e8caa12aa154e4c8d9bc891841f0e1993eb13c3635c4c200f37c0d83bc4e099fbbd788918af76f05f428a098d4e98de903a75389709d4b189034b48b500da

    • C:\Users\Admin\AppData\Local\Temp\tmp6EC7.tmp
      Filesize

      1KB

      MD5

      fa9014fb3932679c41a281d9e287af31

      SHA1

      fbcbb86948cf011d20c2a6b28320cba44e6821e6

      SHA256

      65a86b25971c060590a1d5f807da32b3a72319ef374d8f1c3d82e84f087d8609

      SHA512

      4b5eb88e78c2cead08aa7b4998aa766f20ba3f216393e4c71c72c5e1c141cd2f15479cf7d18710f9cf060e4e1255051df339f1781c16b62d1bc2b4e4c1682032

    • C:\Users\Admin\AppData\Local\Temp\tmp7455.tmp
      Filesize

      1KB

      MD5

      d9a42885990db553baeeff45a252b8d7

      SHA1

      9bad8e39f470f0776a689538d91edbaa513109ef

      SHA256

      4b2b03b9006b5ec2837b45dbcd7a760d070631956dde01e6a618bf2afdc5fce1

      SHA512

      8229b779a57419ac33815cf8ddc1ec9088c7f5598669ab6eb6c2425e8c76c250e7480f2a3e4d211781ba042683e28f7a69901d228a031e61c6eed462798af8d7

    • C:\Users\Admin\AppData\Local\Temp\tmp761B.tmp
      Filesize

      1KB

      MD5

      2f26d92c1eeead3896820e56ec46f6f1

      SHA1

      d95533b61eed7d89e4ada56bc566d60e42ac1f61

      SHA256

      99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

      SHA512

      6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

    • memory/376-150-0x0000000000000000-mapping.dmp
    • memory/3852-139-0x0000000000000000-mapping.dmp
    • memory/4084-134-0x0000000000000000-mapping.dmp
    • memory/4084-151-0x00000000059F0000-0x0000000005A0E000-memory.dmp
      Filesize

      120KB

    • memory/4512-138-0x0000000000A10000-0x0000000000A46000-memory.dmp
      Filesize

      216KB

    • memory/4512-158-0x0000000006F60000-0x0000000006F6A000-memory.dmp
      Filesize

      40KB

    • memory/4512-160-0x0000000007120000-0x000000000712E000-memory.dmp
      Filesize

      56KB

    • memory/4512-143-0x0000000004EA0000-0x00000000054C8000-memory.dmp
      Filesize

      6.2MB

    • memory/4512-145-0x0000000004C60000-0x0000000004C82000-memory.dmp
      Filesize

      136KB

    • memory/4512-146-0x0000000005540000-0x00000000055A6000-memory.dmp
      Filesize

      408KB

    • memory/4512-147-0x00000000055B0000-0x0000000005616000-memory.dmp
      Filesize

      408KB

    • memory/4512-159-0x0000000007170000-0x0000000007206000-memory.dmp
      Filesize

      600KB

    • memory/4512-162-0x0000000007210000-0x0000000007218000-memory.dmp
      Filesize

      32KB

    • memory/4512-161-0x0000000007230000-0x000000000724A000-memory.dmp
      Filesize

      104KB

    • memory/4512-157-0x0000000006EF0000-0x0000000006F0A000-memory.dmp
      Filesize

      104KB

    • memory/4512-135-0x0000000000000000-mapping.dmp
    • memory/4512-153-0x0000000006BE0000-0x0000000006C12000-memory.dmp
      Filesize

      200KB

    • memory/4512-154-0x000000006EEA0000-0x000000006EEEC000-memory.dmp
      Filesize

      304KB

    • memory/4512-155-0x00000000061A0000-0x00000000061BE000-memory.dmp
      Filesize

      120KB

    • memory/4512-156-0x0000000007550000-0x0000000007BCA000-memory.dmp
      Filesize

      6.5MB

    • memory/4568-136-0x0000000000000000-mapping.dmp
    • memory/4748-148-0x0000000000000000-mapping.dmp
    • memory/4876-132-0x0000000074CB0000-0x0000000075261000-memory.dmp
      Filesize

      5.7MB

    • memory/4876-144-0x0000000074CB0000-0x0000000075261000-memory.dmp
      Filesize

      5.7MB

    • memory/4876-133-0x0000000074CB0000-0x0000000075261000-memory.dmp
      Filesize

      5.7MB

    • memory/4884-142-0x0000000074CB0000-0x0000000075261000-memory.dmp
      Filesize

      5.7MB

    • memory/4884-141-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/4884-140-0x0000000000000000-mapping.dmp
    • memory/4884-165-0x0000000074CB0000-0x0000000075261000-memory.dmp
      Filesize

      5.7MB