General

  • Target

    XClient.exe

  • Size

    32KB

  • Sample

    240302-n3dp3adc94

  • MD5

    56877a3e1e57771863e6691db7a0a18e

  • SHA1

    c9ab6f11382e0b9747bc225313ea288545a2f71b

  • SHA256

    3512d29f133707d6bda97a10e181af6b068f54e827f3f1799b3af657e9afc46d

  • SHA512

    248d32b91158c762ae3c434e21e1805e2c385b1d987d1bba6145c35d109bdf70b921a38cef09b482eaa985a64e6f0b410abe825d75399b51a28e842f24319930

  • SSDEEP

    768:b+CD9JxV5zlMMyoxVJt76NHRVFr9j0Ojhebi:bh9h5J997QHDFr9j0OjQ2

Malware Config

Extracted

Family

xworm

Version

5.0

C2

6.tcp.eu.ngrok.io:12508

<Xwormmm>:1

Mutex

yqenrdvf5FLgMphW

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      32KB

    • MD5

      56877a3e1e57771863e6691db7a0a18e

    • SHA1

      c9ab6f11382e0b9747bc225313ea288545a2f71b

    • SHA256

      3512d29f133707d6bda97a10e181af6b068f54e827f3f1799b3af657e9afc46d

    • SHA512

      248d32b91158c762ae3c434e21e1805e2c385b1d987d1bba6145c35d109bdf70b921a38cef09b482eaa985a64e6f0b410abe825d75399b51a28e842f24319930

    • SSDEEP

      768:b+CD9JxV5zlMMyoxVJt76NHRVFr9j0Ojhebi:bh9h5J997QHDFr9j0OjQ2

    • Detect Xworm Payload

    • 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.

    • Deletes itself

    • 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 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

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

5
T1552

Credentials In Files

4
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

5
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Defacement

1
T1491

Tasks