General

  • Target

    b738ac1ae6debdb89df7e074577c1f0c12dfb80fa6cb708e08f168b744386a6b.exe

  • Size

    1.7MB

  • Sample

    241109-zbph2a1kbv

  • MD5

    1aa5cd181621c7e3f04bcfdf3b31c263

  • SHA1

    694da2562c80da15128d4fdd305219f97c9fb970

  • SHA256

    b738ac1ae6debdb89df7e074577c1f0c12dfb80fa6cb708e08f168b744386a6b

  • SHA512

    1e4f1d3b81e47f2beb64eca5e913750bafd8c2451afda104e6c8562e4d4fcccdf2a27eb39d2ae17ce7fcab86defec98bc4fa986f6f39b793d2890e1358250c28

  • SSDEEP

    49152:8vN/O65HqEMR5Ae+RVaYuPy+mUki3Jbk/G:6/O6p1Mw3rvKyaksy/

Malware Config

Extracted

Family

xworm

Version

5.0

C2

87.120.112.33:8938

Mutex

rMibaOUiuViiguc4

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot6673004050:AAEcDfPnnGAswDvyrn9-bkOySVSnbPqLnBU/sendMessage?chat_id=1470436579

aes.plain

Targets

    • Target

      b738ac1ae6debdb89df7e074577c1f0c12dfb80fa6cb708e08f168b744386a6b.exe

    • Size

      1.7MB

    • MD5

      1aa5cd181621c7e3f04bcfdf3b31c263

    • SHA1

      694da2562c80da15128d4fdd305219f97c9fb970

    • SHA256

      b738ac1ae6debdb89df7e074577c1f0c12dfb80fa6cb708e08f168b744386a6b

    • SHA512

      1e4f1d3b81e47f2beb64eca5e913750bafd8c2451afda104e6c8562e4d4fcccdf2a27eb39d2ae17ce7fcab86defec98bc4fa986f6f39b793d2890e1358250c28

    • SSDEEP

      49152:8vN/O65HqEMR5Ae+RVaYuPy+mUki3Jbk/G:6/O6p1Mw3rvKyaksy/

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks