General

  • Target

    e5e6dc2c08d6d34b5427ca50ecba3431.bin

  • Size

    2.9MB

  • Sample

    230412-fdam4shh58

  • MD5

    89db7436b7af81e0df3733c76e9b3337

  • SHA1

    45bd4f823b23d406456019fb4e4715150a9188c1

  • SHA256

    b0e270a50d275af5736fb557f385e095dac5dd5a7a8ce7dc0985a1f822637bf6

  • SHA512

    a10d6746a9d8606bc7dd5c2a2f1646f41a53a982f2f9a7fe208b85e658116436a0c2a0df1cc6cf727fa74b9951d0842b4ceb5ad7c4b586aeb339bf5ceee1fc78

  • SSDEEP

    49152:IUFv4zYjrrm8xpIAfjARr9LN5gTnPJbJU/fks6sUCq8BSmD3uXnGBEDOT/pbIx6j:IUlHjXFCAf8RrhNSPJbi/9XSmD3uXGBn

Malware Config

Extracted

Family

remcos

Botnet

04072023

C2

petronian.ac.ug:65213

marcapinyo.ug:65213

platitinas.ac.ug:65213

masontralacs.ug:65213

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    revcs.exe

  • copy_folder

    sdf

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    vdqfxs.dat

  • keylog_flag

    false

  • keylog_folder

    fssvcs

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    fddskhjvcnkmlrf-60PZ8U

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remvc

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Targets

    • Target

      4130ce135fbfab00618f261a0397e88479d2f61e1ed0d09ebcde525439774f3e.exe

    • Size

      7.2MB

    • MD5

      e5e6dc2c08d6d34b5427ca50ecba3431

    • SHA1

      99e978ac35c3a33b075c4dbdab1e175c361e2396

    • SHA256

      4130ce135fbfab00618f261a0397e88479d2f61e1ed0d09ebcde525439774f3e

    • SHA512

      ef7dc22decefa854deb71713c662ffb28500bb8e0660a1da81f93bc517ffc9c6614200c9e0cdbd14d10599926358a4090c7ff9dc7e6b9a8315de13ec11c50a0c

    • SSDEEP

      49152:A1H4VI6/UGwPVGv8i5aU0Bc21/K2Xd8nGozc30kaZt3DJIHo1fmHp+d2Zcxb2W7k:TD8GwVAn29XbozcEX7

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Detect rhadamanthys stealer shellcode

    • 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.

    • Downloads MZ/PE file

    • 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 web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks