Overview

overview

10

Static

static

541758acb3...07.lnk

windows7_x64

10

541758acb3...07.lnk

windows10-2004_x64

10

Sharing

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General

  • Target

    541758acb32c3e4175d83d1f12732c7c559e5ae75b16aca84b6adb95019a8d07

  • Size

    1.1MB

  • Sample

    220531-abvydabfek

  • MD5

    de988e8b22881a31d2bcd9132cb983a2

  • SHA1

    a859f5dba1372ba02cf79e2c8b09e693a8cec3c8

  • SHA256

    541758acb32c3e4175d83d1f12732c7c559e5ae75b16aca84b6adb95019a8d07

  • SHA512

    d3f6f5eecd74c048503755b70566eb112d267be2679370b96468acc06e43393f2b7d64ca94c922e2b6fbf2660419a940e49c0f8ac6e03801db129a11553a5552

Score
10/10
arkeiazorultremcos05282022defaultdiscoveryinfostealerpersistenceratspywarestealersuricatatrojan

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://bit.do/e2q4h

Extracted

Family

arkei

Botnet

Default

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

remcos

Botnet

05282022

C2

nikahuve.ac.ug:6968

kalskala.ac.ug:6968

tuekisaa.ac.ug:6968

parthaha.ac.ug:6968
Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    scxs.dat

  • keylog_flag

    false

  • keylog_folder

    forbas

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    cvxyttydfsgbghfgfhtd-SPVWAO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      541758acb32c3e4175d83d1f12732c7c559e5ae75b16aca84b6adb95019a8d07

    • Size

      1.1MB

    • MD5

      de988e8b22881a31d2bcd9132cb983a2

    • SHA1

      a859f5dba1372ba02cf79e2c8b09e693a8cec3c8

    • SHA256

      541758acb32c3e4175d83d1f12732c7c559e5ae75b16aca84b6adb95019a8d07

    • SHA512

      d3f6f5eecd74c048503755b70566eb112d267be2679370b96468acc06e43393f2b7d64ca94c922e2b6fbf2660419a940e49c0f8ac6e03801db129a11553a5552

    Score
    10/10
    arkeiazorultdefaultdiscoveryinfostealerspywarestealersuricatatrojanremcos05282022persistencerat

    • Arkei

      Arkei is an infostealer written in C++.

      stealerarkei

    • Azorult

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

      trojaninfostealerazorult

    • Remcos

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

      ratremcos

    • suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4

      suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4

      suricata

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata

    • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M15

      suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M15

      suricata

    • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M6

      suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M6

      suricata

    • suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

      suricata

    • suricata: ET MALWARE Windows executable base64 encoded

      suricata: ET MALWARE Windows executable base64 encoded

      suricata

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks