General

  • Target

    45395e701819b1ca0bb6042764e166f72a5ae7e362dd5ad07174f519ee5155ac.exe

  • Size

    1.8MB

  • Sample

    240217-e1yssaag7x

  • MD5

    3a434422af5021b2087c85c315bad9ff

  • SHA1

    9a142957057ef7567e471652af8d45acfdfed2a3

  • SHA256

    45395e701819b1ca0bb6042764e166f72a5ae7e362dd5ad07174f519ee5155ac

  • SHA512

    7539f2533d8c8f1e391acd29a6734d4efd1883d8a6c9ba3edea3744442a7a75a062801ea770c23d0ec985366f60389165c62c41d15bafde78e90bf134d615181

  • SSDEEP

    49152:gJgXQXcdcniqzA+rk7wt1hrGUrzolsIEZmJ2YTtiZpSbm2kDkFn:6cuPzA+Q0xrC1oYccm2Oun

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

risepro

C2

193.233.132.62:50500

Extracted

Family

redline

Botnet

@oni912

C2

45.15.156.209:40481

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

redline

Botnet

LiveTrafic

C2

20.218.68.91:9552

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

remcos

Botnet

1800

C2

xrootx.zapto.org:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    viewer.exe

  • copy_folder

    viewer

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    viewer

  • mouse_option

    false

  • mutex

    Rmc-BAHBFO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

lumma

C2

https://mealroomrallpassiveer.shop/api

https://gemcreedarticulateod.shop/api

https://secretionsuitcasenioise.shop/api

https://claimconcessionrebe.shop/api

https://liabilityarrangemenyit.shop/api

https://triangleseasonbenchwj.shop/api

https://resergvearyinitiani.shop/api

Targets

    • Target

      45395e701819b1ca0bb6042764e166f72a5ae7e362dd5ad07174f519ee5155ac.exe

    • Size

      1.8MB

    • MD5

      3a434422af5021b2087c85c315bad9ff

    • SHA1

      9a142957057ef7567e471652af8d45acfdfed2a3

    • SHA256

      45395e701819b1ca0bb6042764e166f72a5ae7e362dd5ad07174f519ee5155ac

    • SHA512

      7539f2533d8c8f1e391acd29a6734d4efd1883d8a6c9ba3edea3744442a7a75a062801ea770c23d0ec985366f60389165c62c41d15bafde78e90bf134d615181

    • SSDEEP

      49152:gJgXQXcdcniqzA+rk7wt1hrGUrzolsIEZmJ2YTtiZpSbm2kDkFn:6cuPzA+Q0xrC1oYccm2Oun

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • xmrig

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

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables packed with Themida

    • Detects executables packed with unregistered version of .NET Reactor

    • Detects executables referencing many varying, potentially fake Windows User-Agents

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Modifies file permissions

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses Microsoft Outlook accounts

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

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

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Impact

Service Stop

1
T1489

Tasks