General

  • Target

    sample1.exe

  • Size

    1.4MB

  • Sample

    231122-wwm9xsea64

  • MD5

    3c3dcd9577aa14984b2727cf9b4abd23

  • SHA1

    63cda7e96fd1c59efd0b35f8c7baef9b61026004

  • SHA256

    3327cc6fb53096ad4d5cb9c64020823eebb56549fd8285f244e4d8e5bd478ef0

  • SHA512

    1f974189e4d5cadca0f29f7fcb8e02fa5a1abdf0e36bc7d950d4fa39289b88578d01f9677a1a272b66b285ad380bb763cb599880c092bddb287727410fa626f6

  • SSDEEP

    24576:Zy8ml94AOkdt2T6uMbgSmNjhT14LV6Huamocy6xynKZRa38/Yv9OPYc:M8m3Tt1bgSWB1MV+SocLoKe3EYvAP

Malware Config

Extracted

Family

redline

Botnet

horda

C2

194.49.94.152:19053

Extracted

Family

risepro

C2

194.49.94.152

Extracted

Family

smokeloader

Version

2022

C2

http://194.49.94.210/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

@ytlogsbot

C2

194.169.175.235:42691

Extracted

Family

amadey

Version

4.12

C2

http://brodoyouevenlift.co.za

Attributes
  • install_dir

    ce3eb8f6b2

  • install_file

    Utsysc.exe

  • strings_key

    c5b804d7b4c8a99f5afb89e5203cf3ba

  • url_paths

    /g9sdjScV2/index.php

    /vdhe8ejs3/index.php

rc4.plain

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

LiveTraffic

C2

195.10.205.16:1056

Targets

    • Target

      sample1.exe

    • Size

      1.4MB

    • MD5

      3c3dcd9577aa14984b2727cf9b4abd23

    • SHA1

      63cda7e96fd1c59efd0b35f8c7baef9b61026004

    • SHA256

      3327cc6fb53096ad4d5cb9c64020823eebb56549fd8285f244e4d8e5bd478ef0

    • SHA512

      1f974189e4d5cadca0f29f7fcb8e02fa5a1abdf0e36bc7d950d4fa39289b88578d01f9677a1a272b66b285ad380bb763cb599880c092bddb287727410fa626f6

    • SSDEEP

      24576:Zy8ml94AOkdt2T6uMbgSmNjhT14LV6Huamocy6xynKZRa38/Yv9OPYc:M8m3Tt1bgSWB1MV+SocLoKe3EYvAP

    • 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.

    • Glupteba

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

    • Glupteba payload

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

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

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • 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.

    • 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.

    • Manipulates WinMonFS driver.

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks