General

  • Target

    73b1586d7d158fac313a4a5d33545331.exe

  • Size

    990KB

  • Sample

    230330-g928nsbc28

  • MD5

    73b1586d7d158fac313a4a5d33545331

  • SHA1

    271cfbd84fb53e27aaff5e122efac2e8dcd7d93e

  • SHA256

    33f3f1a57e1ee2becc54dcc7a95ab4ca9c522f38eae8d892f3c4f8ae2cea0960

  • SHA512

    3f63eb76639f363972ebb464c988226a30072fcb88e27794377df72718969c6323567f9e8cf0f39abc2a17aa5aec116e1993d690f910d7bcc00d54ae2a472df3

  • SSDEEP

    24576:Iy9436rh+61VCNOZQEZF3Yy6cR1wcOkPUwme:P94q1/CNpELobcw5gUw

Malware Config

Extracted

Family

redline

C2

66.42.108.195:40499

Attributes
  • auth_value

    f93019ca42e7f9440be3a7ee1ebc636d

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

legi

C2

176.113.115.145:4125

Attributes
  • auth_value

    a8baa360c57439b7cfeb1dc01ff2a466

Extracted

Family

amadey

Version

3.69

C2

193.233.20.36/joomla/index.php

Extracted

Family

aurora

C2

212.87.204.93:8081

Targets

    • Target

      73b1586d7d158fac313a4a5d33545331.exe

    • Size

      990KB

    • MD5

      73b1586d7d158fac313a4a5d33545331

    • SHA1

      271cfbd84fb53e27aaff5e122efac2e8dcd7d93e

    • SHA256

      33f3f1a57e1ee2becc54dcc7a95ab4ca9c522f38eae8d892f3c4f8ae2cea0960

    • SHA512

      3f63eb76639f363972ebb464c988226a30072fcb88e27794377df72718969c6323567f9e8cf0f39abc2a17aa5aec116e1993d690f910d7bcc00d54ae2a472df3

    • SSDEEP

      24576:Iy9436rh+61VCNOZQEZF3Yy6cR1wcOkPUwme:P94q1/CNpELobcw5gUw

    • Amadey

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

    • Aurora

      Aurora is a crypto wallet stealer written in Golang.

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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 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.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

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

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks