Overview

overview

10

Static

static

3

WEXTRACT.exe

windows7-x64

10

WEXTRACT.exe

windows10-2004-x64

10

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General

  • Target

    WEXTRACT.exe

  • Size

    1.5MB

  • Sample

    231228-fvt33sefgn

  • MD5

    12382062c6abc23ebdf6aec25f383fa4

  • SHA1

    9834dc9a4fd1f037c574c27a932c96d68409c882

  • SHA256

    24b66c0d6f26f5de09b4cb7a2496bf87ad0ed9d45e846870dee70941b565bc3c

  • SHA512

    6cd21a5803f7a90d3ea2b1c6a05def58e337773378c0aced7ac9d3538fa1f9a539b4c992bbe7655aa052abd88cde1bc8475a3a780187ac25edba89ba5806f55c

  • SSDEEP

    49152:/I4a/fuUWyY2dhl3pmcmVFSD2TDi+SyEU/6QB4:wx/GUxmVoJvyR/6R

Score
10/10
amadeydcratmysticredlinesmokeloadergromebackdoorgooglepaypalevasioninfostealerpersistencephishingratstealertrojan

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

  • url_paths

    /theme/index.php

rc4.plain

Targets

    • Target

      WEXTRACT.exe

    • Size

      1.5MB

    • MD5

      12382062c6abc23ebdf6aec25f383fa4

    • SHA1

      9834dc9a4fd1f037c574c27a932c96d68409c882

    • SHA256

      24b66c0d6f26f5de09b4cb7a2496bf87ad0ed9d45e846870dee70941b565bc3c

    • SHA512

      6cd21a5803f7a90d3ea2b1c6a05def58e337773378c0aced7ac9d3538fa1f9a539b4c992bbe7655aa052abd88cde1bc8475a3a780187ac25edba89ba5806f55c

    • SSDEEP

      49152:/I4a/fuUWyY2dhl3pmcmVFSD2TDi+SyEU/6QB4:wx/GUxmVoJvyR/6R

    Score
    10/10
    amadeydcratmysticredlinesmokeloadergromebackdoorgoogleevasioninfostealerpersistencephishingratstealertrojanpaypal

    • Amadey

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

      trojanamadey

    • DcRat

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

      ratinfostealerdcrat

    • Detect Mystic stealer payload

    • Detected google phishing page

      phishinggoogle

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Mystic

      Mystic is an infostealer written in C++.

      stealermystic

    • RedLine

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

      infostealerredline

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Detected potential entity reuse from brand paypal.

      phishingpaypal

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
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

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks