Overview

overview

10

Static

static

PROFORMA N....1.exe

windows7_x64

10

PROFORMA N....1.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:11

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General

  • Target

    PROFORMA N. 377_REV.1.exe

  • Size

    522KB

  • MD5

    076c6ad1f34f34feb5879ad2fe35b81e

  • SHA1

    edd654e9790924d58939b2a019b9562a2e8f5488

  • SHA256

    22b0053f4a9defd52cce199ff51c64333e8acb71903b84b51b963b86795d0129

  • SHA512

    ef17ee226af3ecccb3b493b76c79c273fdbb3e06126802c4aec59518a3b407def6843425a3f94ae15882a16187cb0b9685a8b85e56a8cf67d29372a05b5eaa31

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

som2020.zapto.org:1165

185.140.53.6:1165
Mutex

7222ae52-d704-47b4-8f02-7756162c51c1

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.140.53.6

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-01-22T11:34:05.203302536Z

  • 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

    1165

  • default_group

    Default

  • 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

    7222ae52-d704-47b4-8f02-7756162c51c1

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    som2020.zapto.org

  • 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.

    keyloggertrojanstealerspywarenanocore
  • 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
    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
  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROFORMA N. 377_REV.1.exe
    "C:\Users\Admin\AppData\Local\Temp\PROFORMA N. 377_REV.1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VBYpOsv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD12.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2608
    • C:\Users\Admin\AppData\Local\Temp\PROFORMA N. 377_REV.1.exe
      "{path}"
      2⤵
        PID:1428
      • C:\Users\Admin\AppData\Local\Temp\PROFORMA N. 377_REV.1.exe
        "{path}"
        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:2624
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1945.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:4120
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SCSI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1B0B.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:5064

    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

    Query Registry

    1
    T1012

    System Information Discovery

    3
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp1945.tmp
      Filesize

      1KB

      MD5

      68bd55eb572f25b8aebfa569c39a8644

      SHA1

      b5d067ebb9c3656af732a44db7693dee311438f1

      SHA256

      e1369468481de06ae968cb181c7cf06edee5c3cc2a4434bb3cfd6bb50c9c9056

      SHA512

      b6b3b0dfc1ec4cfc116c67274f51f1472f8a94915b517ec96d97e0117d39592eac5bd2a862c6d5c5d05e063acf8a95c0f2124a08a675d4d32e6776b7758bd586

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp1B0B.tmp
      Filesize

      1KB

      MD5

      bd110f9fc6c1a842f1d9b269010b0611

      SHA1

      ef71c062902602faef9b66dcd1cfc9fe5baaf389

      SHA256

      8135c4e4eeaa741f752c0ab8f4ee33e3bb8a0cac5923812234f2e5177d50eb5b

      SHA512

      b8a7943a3126880b26407800bbdad5402c5b0e2aa106e7dbbb35d0cb145ca9de114401573a6aa66042a2e13674cfbcc2981d66b813f9b923fff5302210afba1f

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpFD12.tmp
      Filesize

      1KB

      MD5

      f562f05fbab657030f5e30b679f2c2ae

      SHA1

      9bc75e15eb811151d24e60897d9e2bb39c7be62a

      SHA256

      11d47438ac196595479b1359d7972766a85cdd101537308a989dea04066639af

      SHA512

      d7553e156f49e7fd71ce2c3c17ad1c9eaa4083d32994a08abae505a70cdb549e6fa980bc1dd7555cd784e52472105ee311494f7a3d4293faaf26ee96e6d5eaaa

      Download Submit
    • memory/1428-133-0x0000000000000000-mapping.dmp
      Download
    • memory/2608-131-0x0000000000000000-mapping.dmp
      Download
    • memory/2624-134-0x0000000000000000-mapping.dmp
      Download
    • memory/2624-135-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/2624-136-0x0000000075130000-0x00000000756E1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/2744-130-0x0000000075130000-0x00000000756E1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4120-137-0x0000000000000000-mapping.dmp
      Download
    • memory/5064-139-0x0000000000000000-mapping.dmp
      Download