Overview

overview

10

Static

static

Quotation-...97.exe

windows7_x64

10

Quotation-...97.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    129s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:06

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General

  • Target

    Quotation-20200614-024142914208136738390-43910160182012224297.exe

  • Size

    364KB

  • MD5

    866a81d430acbc8a4f59b6ff861add9c

  • SHA1

    56d2b07aa04e217732e3e11a2dbb89ac5e0cf7c2

  • SHA256

    7795d2106023220b5e106b1e05815e7818d66189c01d4bc927767008fccdc6d2

  • SHA512

    eb4e02412a2735e10230c22ddc562a1875f0253c094077ddbcac5858508617b8404582587d6981c3baa678fb19bbc93e35604d457f6d29d2dbbb5198128e9a56

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.19.85.150:54085

Mutex

09f573e9-24d9-4e2f-a553-b35202427579

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.19.85.150

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-21T11:06:15.992707636Z

  • 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

    54085

  • default_group

    2

  • 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

    09f573e9-24d9-4e2f-a553-b35202427579

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    185.19.85.150

  • 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

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation-20200614-024142914208136738390-43910160182012224297.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation-20200614-024142914208136738390-43910160182012224297.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\Quotation-20200614-024142914208136738390-43910160182012224297.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation-20200614-024142914208136738390-43910160182012224297.exe"
      2⤵
        PID:472
      • C:\Users\Admin\AppData\Local\Temp\Quotation-20200614-024142914208136738390-43910160182012224297.exe
        "C:\Users\Admin\AppData\Local\Temp\Quotation-20200614-024142914208136738390-43910160182012224297.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:772
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8A17.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:1072
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA279.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:1760

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    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

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8A17.tmp
      Filesize

      1KB

      MD5

      c628384ae5e284f7640bde1e9a3ddd1b

      SHA1

      fb41a6c3e7e056e7ffe2d85446c4fe677b81509c

      SHA256

      f078c3547206ef0196e5b4c2bf705cfe14fc23c50cd5712bec4392f87fe7b0e4

      SHA512

      f4b19e8d8daac283a6c39c5baee638eb46bb1c711760ede49e4ec1922abd1188b08df7aa9b66431fa7f67992593971c42dbdd03fad55b11f8f2c7c47c5a1d36f

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpA279.tmp
      Filesize

      1KB

      MD5

      1badb6e2b29a1c4bfff3c179d53ab96b

      SHA1

      4b2ad3e5f3826d252d1c8bf1c8f0702f39129fa1

      SHA256

      6259ac4e6859a1b528d77ccea12b378f7dfa1eff359d9b8899414b4b1c484699

      SHA512

      36338e2a74fd85c5f2c84be009981a7260692c1bcb121a42018209031082da69bf65640702d53e28b54871f9d44e65fdbebaf4771c530699c3e93981b58129b4

      Download Submit
    • memory/772-66-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/772-67-0x000000000041E792-mapping.dmp
      Download
    • memory/772-79-0x0000000000530000-0x000000000053A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/772-78-0x00000000005D0000-0x00000000005EE000-memory.dmp
      Filesize

      120KB

      Download
    • memory/772-60-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/772-61-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/772-63-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/772-64-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/772-77-0x0000000000520000-0x000000000052A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/772-71-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/772-69-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/1072-73-0x0000000000000000-mapping.dmp
      Download
    • memory/1612-57-0x0000000000B00000-0x0000000000B4E000-memory.dmp
      Filesize

      312KB

      Download
    • memory/1612-56-0x0000000076531000-0x0000000076533000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1612-55-0x0000000000490000-0x0000000000498000-memory.dmp
      Filesize

      32KB

      Download
    • memory/1612-54-0x0000000001260000-0x00000000012C0000-memory.dmp
      Filesize

      384KB

      Download
    • memory/1612-59-0x0000000000990000-0x000000000099E000-memory.dmp
      Filesize

      56KB

      Download
    • memory/1612-58-0x0000000000980000-0x000000000098E000-memory.dmp
      Filesize

      56KB

      Download
    • memory/1760-75-0x0000000000000000-mapping.dmp
      Download