Overview

overview

10

Static

static

3

782cf5337d...b1.exe

windows7-x64

10

782cf5337d...b1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    782cf5337d8a428867a0ab13d474628b427dbb1164d4449f7e8dc96bdab3c7b1.exe

  • Size

    852KB

  • Sample

    250224-dkxecazpz3

  • MD5

    c7988c8d4e55ad226772a31c158747ab

  • SHA1

    d7e2f3cca3d7d92eeaccce51734999a734321825

  • SHA256

    782cf5337d8a428867a0ab13d474628b427dbb1164d4449f7e8dc96bdab3c7b1

  • SHA512

    a22e1ab980fe49c8e7bfa521a9fc1197a46eff85eb40261cb03e683f4f3aefc245934362c6da181f28572bd314a6183d9bfd6671957af32e20450963d385b27b

  • SSDEEP

    12288:YlMNMfURnHb+Qv6HNbwVAQXPZPT9VAGgQmLwy67Dq4JgDPEDW78RRVmevBqJC80Z:YZMRHPv6tkVvXxPosEgEozRRVBCMRH

Score
10/10
nanocorexmrigxwormdefense_evasiondiscoveryexecutionkeyloggerminerpersistenceratspywarestealertrojanupx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

lxtihmjohnson163.airdns.org:43366

Mutex

3740d544-7efc-40b2-8c32-f31974309f7d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-10-21T12:36:42.768385536Z

  • 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

    43366

  • default_group

    JAMJAM01

  • 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

    3740d544-7efc-40b2-8c32-f31974309f7d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    lxtihmjohnson163.airdns.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

Extracted

Family

xworm

Version

5.0

C2

tunhost.duckdns.org:57891

wintun.freemyip.com:57891

87.249.134.68:57891
Attributes
  • install_file

    琀㴀Ā ☀☀ �䔗渀瘀椀爀漀渀洀攀渀琀�眍椀渀搀椀爀�瀝漀眀攀爀猀栀攀氀氀⸀攀砀攀�醀-C schtasks.exe

aes.plain

Targets

    • Target

      782cf5337d8a428867a0ab13d474628b427dbb1164d4449f7e8dc96bdab3c7b1.exe

    • Size

      852KB

    • MD5

      c7988c8d4e55ad226772a31c158747ab

    • SHA1

      d7e2f3cca3d7d92eeaccce51734999a734321825

    • SHA256

      782cf5337d8a428867a0ab13d474628b427dbb1164d4449f7e8dc96bdab3c7b1

    • SHA512

      a22e1ab980fe49c8e7bfa521a9fc1197a46eff85eb40261cb03e683f4f3aefc245934362c6da181f28572bd314a6183d9bfd6671957af32e20450963d385b27b

    • SSDEEP

      12288:YlMNMfURnHb+Qv6HNbwVAQXPZPT9VAGgQmLwy67Dq4JgDPEDW78RRVmevBqJC80Z:YZMRHPv6tkVvXxPosEgEozRRVBCMRH

    Score
    10/10
    nanocorexwormdefense_evasiondiscoverykeyloggerpersistenceratspywarestealertrojanxmrigexecutionminerupx

    • Detect Xworm Payload

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • UAC bypass

      defense_evasiontrojan

    • Xmrig family

      xmrig

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Xworm family

      xworm

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • Creates new service(s)

      persistenceexecution

    • Stops running service(s)

      defense_evasionexecution

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Power Settings

1
T1653

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Service Stop

1
T1489

Tasks