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Overview

overview

10

Static

static

078_08_07_20_REF2.exe

windows7_x64

10

078_08_07_20_REF2.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    08/07/2020, 06:30

Sharing

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General

  • Target

    078_08_07_20_REF2.exe

  • Size

    707KB

  • MD5

    452cd35a88213a8c6d77ae0b7511c7ef

  • SHA1

    22982102d809edf55ab1d3319975cb19f3238590

  • SHA256

    7404e34def5b0d893557483ab19926adc1635866bdfb0682adddc3caae877e03

  • SHA512

    96bbae4c735c4c6f594c429453fbf9d37e23523fd5009129f74cd0b5cc85f57e17491be063e0bd64056a98324acc35988c4d429f2f845b21503b3d487ae15c6d

Score
10/10
evasiontrojankeyloggerstealerspywarenanocorepersistence

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

izu2128.hopto.org:2128

185.244.29.131:2128
Mutex

21d09d36-4d03-48fe-822f-6fed1c1e2bf0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.244.29.131

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-12T02:43:07.896430936Z

  • 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

    2128

  • default_group

    izu2128

  • 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

    21d09d36-4d03-48fe-822f-6fed1c1e2bf0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    izu2128.hopto.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

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Adds Run entry to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious behavior: EnumeratesProcesses 1368 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • 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 use of WriteProcessMemory 16 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\078_08_07_20_REF2.exe
    "C:\Users\Admin\AppData\Local\Temp\078_08_07_20_REF2.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    PID:1520
    • C:\Users\Admin\AppData\Local\Temp\078_08_07_20_REF2.exe
      "C:\Users\Admin\AppData\Local\Temp\078_08_07_20_REF2.exe"
      2⤵
      • Checks whether UAC is enabled
      • Adds Run entry to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: GetForegroundWindowSpam
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC734.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1140
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC9A5.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1532
    • C:\Users\Admin\AppData\Local\Temp\078_08_07_20_REF2.exe
      "C:\Users\Admin\AppData\Local\Temp\078_08_07_20_REF2.exe" 2 308 113397
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:108

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/308-0-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

    Download

  • memory/308-3-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

    Download

  • memory/308-4-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

    Download

  • memory/308-5-0x0000000000320000-0x0000000000358000-memory.dmp

    Filesize

    224KB

    Download

  • memory/308-6-0x00000000003E2000-0x00000000003E3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/308-7-0x00000000002A0000-0x00000000002D3000-memory.dmp

    Filesize

    204KB

    Download