Overview

overview

10

Static

static

3

7b232254d4...01.exe

windows10-2004-x64

10

7b232254d4...01.exe

windows11-21h2-x64

10

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows11-21h2-x64

3

Sharing

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General

  • Target
    7b232254d4b4be67111e92f5c2e34bc331403393c2d01.exe
  • Size 825KB
  • Sample250801-bs821a1zat
  • SHA256 7b232254d4b4be67111e92f5c2e34bc331403393c2d019b31e256ca7d798cd08
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormdiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • hexa.dnsframe.com:66

Mutex

  • FzSIsfqlHwWWhS56

Attributes
  • Install_directory

    %AppData%

  • install_file

    inj.exe

aes.plain

Targets

    • Target
      7b232254d4b4be67111e92f5c2e34bc331403393c2d01.exe
    • Size 825KB
    • SHA256 7b232254d4b4be67111e92f5c2e34bc331403393c2d019b31e256ca7d798cd08
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    xwormdiscoveryexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Xworm family

      xworm

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks