General

  • Target

    dfef62852d83dc4fe7f7b49ae622819e9dcd0684f98c5ccf00c6c5bbdbfd6d22

  • Size

    2.2MB

  • Sample

    240630-bfeydsvbrq

  • MD5

    8fbc66f8e471ea88bde0648950e5eb44

  • SHA1

    53095c22fe27fa02d44849a69a0ecd6bb3c7c8a6

  • SHA256

    dfef62852d83dc4fe7f7b49ae622819e9dcd0684f98c5ccf00c6c5bbdbfd6d22

  • SHA512

    276613f678ce0d82f9596179971c4df9c9b63ab39e9bafc1c7c5933d0ce79288b3858a5f449c62b6ac2b00cbf121aad7bb557f8cf31e8bf02bd1fbfb91465c90

  • SSDEEP

    49152:7F50a6aPVOFMx3SmroCZscivbS6mqxEWoKmqZJffp3vSsqPUGeaw1G6NOmfFN1Qe:vroA7PfqfFN1l

Malware Config

Extracted

Family

xworm

Version

5.0

C2

195.10.205.94:7725

Mutex

MFyyhElqIq6yrYiQ

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    s82.gocheapweb.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    london@1759

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      dfef62852d83dc4fe7f7b49ae622819e9dcd0684f98c5ccf00c6c5bbdbfd6d22

    • Size

      2.2MB

    • MD5

      8fbc66f8e471ea88bde0648950e5eb44

    • SHA1

      53095c22fe27fa02d44849a69a0ecd6bb3c7c8a6

    • SHA256

      dfef62852d83dc4fe7f7b49ae622819e9dcd0684f98c5ccf00c6c5bbdbfd6d22

    • SHA512

      276613f678ce0d82f9596179971c4df9c9b63ab39e9bafc1c7c5933d0ce79288b3858a5f449c62b6ac2b00cbf121aad7bb557f8cf31e8bf02bd1fbfb91465c90

    • SSDEEP

      49152:7F50a6aPVOFMx3SmroCZscivbS6mqxEWoKmqZJffp3vSsqPUGeaw1G6NOmfFN1Qe:vroA7PfqfFN1l

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Adds Run key to start application

    • 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 v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks