General

  • Target

    3870664bb0ac9edd0dbc5ea814fe200b3ea5f66c1997df6f2deb21024786d23f

  • Size

    962KB

  • Sample

    230321-ab6pwahh4z

  • MD5

    78c2c72e60412d3dc0dd1a54387e94a5

  • SHA1

    a740b94d3f0063b69a6ac05638be7b7eacc95e1b

  • SHA256

    3870664bb0ac9edd0dbc5ea814fe200b3ea5f66c1997df6f2deb21024786d23f

  • SHA512

    ebdcaa66c4a109c66dc0312a10f8ed5fbad2ffe7a16760b40ffa68c52a9421ff560dd1cb3ff08faab00fe5c1be7b9846ad56c0c2a7c64fe1adaf5356d1433b3e

  • SSDEEP

    24576:SySEYrYTBvKSN+Cs/q3+OCJMrSMT14zZ:5jCY7rSzOCJCT2

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://www.mdegmm.com/pdf/debug2.ps1

Extracted

Family

redline

Botnet

gena

C2

193.233.20.30:4125

Attributes
  • auth_value

    93c20961cb6b06b2d5781c212db6201e

Extracted

Family

redline

Botnet

vint

C2

193.233.20.30:4125

Attributes
  • auth_value

    fb8811912f8370b3d23bffda092d88d0

Extracted

Family

amadey

Version

3.68

C2

62.204.41.87/joomla/index.php

Extracted

Family

redline

Botnet

14

C2

45.12.253.144:40145

Attributes
  • auth_value

    6528d0f243ad9e530a68f2a487521a80

Targets

    • Target

      3870664bb0ac9edd0dbc5ea814fe200b3ea5f66c1997df6f2deb21024786d23f

    • Size

      962KB

    • MD5

      78c2c72e60412d3dc0dd1a54387e94a5

    • SHA1

      a740b94d3f0063b69a6ac05638be7b7eacc95e1b

    • SHA256

      3870664bb0ac9edd0dbc5ea814fe200b3ea5f66c1997df6f2deb21024786d23f

    • SHA512

      ebdcaa66c4a109c66dc0312a10f8ed5fbad2ffe7a16760b40ffa68c52a9421ff560dd1cb3ff08faab00fe5c1be7b9846ad56c0c2a7c64fe1adaf5356d1433b3e

    • SSDEEP

      24576:SySEYrYTBvKSN+Cs/q3+OCJMrSMT14zZ:5jCY7rSzOCJCT2

    • Amadey

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

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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.

    • Windows security modification

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Tasks