General

  • Target

    XClient.exe

  • Size

    33KB

  • Sample

    240206-rdq6msgfg9

  • MD5

    b1464f91ed72f58762070a2156a0e051

  • SHA1

    24a5bda03c3a18918a3343a88f3231fdb5c5dea4

  • SHA256

    be15293b42ddc2b13e6cb4316abb5a405c40f9eeb277ff0aedd284124e980298

  • SHA512

    e60ace933853b192548b324ab9b2dd89a40396c6fba246ca1d251f6bdcef6a37d9484c03bed1abdab46220a99c34793445b732e807f671ddc0ebab00e6aa7046

  • SSDEEP

    384:kl+PkjD9+E5MFs7iui8L7zKM42pfL3iB7OxVqWFiRApkFXBLTsOZwpGN2v99IkuV:Q+CD93W03v42JiB70SVF49jBOjhmbw

Malware Config

Extracted

Family

xworm

Version

5.0

C2

noiphabibi.ddns.net:1177

Mutex

uPpCa0dXygiTwFxX

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      33KB

    • MD5

      b1464f91ed72f58762070a2156a0e051

    • SHA1

      24a5bda03c3a18918a3343a88f3231fdb5c5dea4

    • SHA256

      be15293b42ddc2b13e6cb4316abb5a405c40f9eeb277ff0aedd284124e980298

    • SHA512

      e60ace933853b192548b324ab9b2dd89a40396c6fba246ca1d251f6bdcef6a37d9484c03bed1abdab46220a99c34793445b732e807f671ddc0ebab00e6aa7046

    • SSDEEP

      384:kl+PkjD9+E5MFs7iui8L7zKM42pfL3iB7OxVqWFiRApkFXBLTsOZwpGN2v99IkuV:Q+CD93W03v42JiB70SVF49jBOjhmbw

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Modifies Windows Defender Real-time Protection settings

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook accounts

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Impact

Defacement

1
T1491

Tasks