General

  • Target

    Copy#0700181203.7z

  • Size

    101KB

  • Sample

    240514-rg86maad2v

  • MD5

    d9c07a8078e0d378f6a60edca8b24965

  • SHA1

    46c70837397568fb5f9d5ca9b39e266daec76fcc

  • SHA256

    97252ce52f0d5e32b8e73b8f224539d8eb04dcf7d4ce92e84deccad49656aebd

  • SHA512

    1260d5d7f73b20e48dac15e56eda3f716fd47ed653783659bc66f4b05834709e862dad32a13a1395e1f9d24e45cb2757a7dc1f0adad250e77b9b3cf3f3fc7778

  • SSDEEP

    1536:3EVqtYmGBGRGIIMZ5cbU/EP55aPkst7x61+1MdUOwRuJP0oSZo3RSTRGy3K8KaaF:3FtYmGBaN5oU/I55aPk+qFzSTgy3T9oH

Malware Config

Extracted

Family

xworm

Version

5.0

C2

94.156.65.181:5353

Mutex

4EV9DEZhSiEuj72Q

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot5987023205:AAFlvwKv3zD3wQ2CQAewIB6uU95uBQ25ip0/sendMessage?chat_id=5202962680

aes.plain

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fn26k5c7Q846

Targets

    • Target

      Copy#0700181203.exe

    • Size

      307KB

    • MD5

      3a7ad7df17d52faa30c9267d8993c052

    • SHA1

      20babf125ffdc301bc7670817f8123af61ff0940

    • SHA256

      a3d1e36ffb22746489c9932108842ef58d71c86c5a01bade59d1f0f9cbe2fde4

    • SHA512

      6d7d7ea7a3310c7cc768556126f710d21f2dc500c5287613a35ba020a0b0ec5f85101c27068c2dc4ef94135e6228aec7501ceba123ebbd81891467ebfa37cbb8

    • SSDEEP

      3072:qvBGLqxexlS+I3lPE6MPYUNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbGgKk12g:qvwpkqBstvLGtELbMUTKZIH

    • AgentTesla

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

    • Detect Xworm Payload

    • Detect ZGRat V1

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Checks computer location settings

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

    • 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

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks