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General

  • Target

    NLCrack-main.zip

  • Size

    5.0MB

  • Sample

    240407-wmdzwsae2s

  • MD5

    b7670c522bd00ea6310cce1854a6e353

  • SHA1

    b53bf8b902c0f6cfa2dd80e33a76b42be7c6884f

  • SHA256

    78a92cf1ea1edf8556077b29b2e40806e913c27a2ea212cae57ff610baf4f153

  • SHA512

    9dc38aaed8383c3e09492c310b84a6cc72ca7d39c8479f9708f565c7719fac833a1c986007600f42ea27f6e7ee209d3d4c4138654706330a45dcf6826260b220

  • SSDEEP

    98304:RQbso/3pvOvy3xtifkgWSzjdlD2jCO0NwXaezEzS:QpvOv+if+Szjv+ClgL

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    IAStorDataMgrSvc.exe

  • pastebin_url

    http://pastebin.com/raw/kTS4qiww

Targets

    • Target

      NLCrack-main/NeverLoseByOxy.exe

    • Size

      5.3MB

    • MD5

      327d242a0d85ddaa1773d4c54211b1e7

    • SHA1

      8169f83e95d473bd77ca0c3bbb463bf749b9235f

    • SHA256

      cef463c3a801391c1844e15251a25c9404d23209baac7fb6412c385bb2af9ac9

    • SHA512

      c0bed78f51c20c0a8707704481debadff4295b315d2d6ac8af51d98361dfe9be2751b3c3f3e2aabccd4d57cf5fcc62846df07bd3b490a7af4f5fb1ea596a7381

    • SSDEEP

      98304:go/bdbcI/TBv4LuFvlsJa+yCbFbv/uzMC6nQ/GoN+x+:HDnBv4LwsJoCbFDuMjuD

    • Detect Xworm Payload

    • Modifies WinLogon for persistence

    • Xworm

      Xworm is a remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Creates new service(s)

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks