Overview

overview

10

Static

static

Hoa_Phu-pr...nt.exe

windows7_x64

10

Hoa_Phu-pr...nt.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    169s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:15

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General

  • Target

    Hoa_Phu-products_attachment.exe

  • Size

    466KB

  • MD5

    34f93dcffde3d2605a0f40d16e2df24e

  • SHA1

    4554063a3f9589e2db80cf5edd2840af5caabe42

  • SHA256

    652e5c30436965279460f5172af8c98ec21528dcb940ef772f8a62f5d7224771

  • SHA512

    ffa7af128eadc672fbaeb1fed0d819286fb81265b9e7b65cc06603dd769b2f00aab76d4dda263b5fcfbe80ac7155ab0594313ad8f520564df8d02a1791a6344c

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

104.129.0.106:5110

Mutex

217f1687-fcff-4d19-8da2-3ef00785e6b7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    104.129.0.106

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-25T04:07:43.252748236Z

  • 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

    5110

  • default_group

    1billion

  • 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

    217f1687-fcff-4d19-8da2-3ef00785e6b7

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    104.129.0.106

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 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 2 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Hoa_Phu-products_attachment.exe
    "C:\Users\Admin\AppData\Local\Temp\Hoa_Phu-products_attachment.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ryAvVtqkpB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8EFC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1368
    • C:\Users\Admin\AppData\Local\Temp\Hoa_Phu-products_attachment.exe
      "{path}"
      2⤵
        PID:3352
      • C:\Users\Admin\AppData\Local\Temp\Hoa_Phu-products_attachment.exe
        "{path}"
        2⤵
        • Checks whether UAC is enabled
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2648
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA709.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:5084

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    3
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Hoa_Phu-products_attachment.exe.log
      Filesize

      408B

      MD5

      8adbb2cb7759fdcbc51cfbf0bfd7c867

      SHA1

      f7549e6ea430e7d64b3afb3fc27c77ed5122f85b

      SHA256

      c67092561e4b1472672374c3439004e2bc0191d9a901cde2b8b69a2d34dc6297

      SHA512

      f465311e884dd82e3152959b6a59ac8d6be0a056a1cfddabbcc6714079a2269cd5c09b2b8fbc87a9ec3323c531383526ae19ef24fed100dec80730fae0d79991

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp8EFC.tmp
      Filesize

      1KB

      MD5

      f1f6c405e09d0e1f70f345170d5c2af7

      SHA1

      e74857081781a492632db575cade90a4a75725c2

      SHA256

      df344b456ba7e097949392d4aeae498b7ddeec4fd697d8bccebbc7643a7ef153

      SHA512

      661290c041ac05d0f81ecafd6664f9e74c024a14c1faeb2ca6bbca1204f49e838a9c220c3f7d7add0b7f000c57966bbe5ede8cc814c3e7f64dfff796d9732f4d

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpA709.tmp
      Filesize

      1KB

      MD5

      db930bb7fcf3256e867268891e32b234

      SHA1

      5ae1a48a407642da2a5eefb91cbc122c427b0eb0

      SHA256

      2259462cf6cb399f84c06cda3ab95141d648dd6307e8e839c02451c3f3bb0b3b

      SHA512

      0402c2bc7464f0686a7de88fea9198e850774d505a0cc4dc1998f2175cbd1626fd7df4510ff90b84bd03696530b605864f4aca04e6e2029050925db55958e3f0

      Download Submit
    • memory/1368-131-0x0000000000000000-mapping.dmp
      Download
    • memory/2408-130-0x0000000075000000-0x00000000755B1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/2648-134-0x0000000000000000-mapping.dmp
      Download
    • memory/2648-135-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/2648-139-0x0000000075000000-0x00000000755B1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/3352-133-0x0000000000000000-mapping.dmp
      Download
    • memory/5084-137-0x0000000000000000-mapping.dmp
      Download