General

  • Target

    d4fc8415802d26f5902a925dafa09f95.bin

  • Size

    3.7MB

  • Sample

    230317-jxgsbaha8t

  • MD5

    1d3ab40ec7cdfa8f1a76abd6499543c2

  • SHA1

    b6fd9576123acd3ceae94b1b7139ec6fb8038f6c

  • SHA256

    ce83770a03ddb0a885e1bfa237f190c18f88ba84361896cbb476f1b31189b5f8

  • SHA512

    33636349092a9b1a66e6dcf1e54ba4ab530f9278d9eb2cd7b6928c2b8a4c2936f6b39b3e67a29435a109c345923cac316af535e521541006865ed7f03ac7ad8f

  • SSDEEP

    98304:xecn8mtZVE7lz+JX41EdwNf8Lp8YTLkGEG:xRn8mi7lz+541EdwNf8l8YTwGJ

Malware Config

Targets

    • Target

      b5c72a18578c6cc7007b6c7738fa9f72b57ecaf26be44964af3947f7f2b5422f.exe

    • Size

      3.7MB

    • MD5

      d4fc8415802d26f5902a925dafa09f95

    • SHA1

      76a6da00893bf5fa29e9b9a6e69e83e1ded5856c

    • SHA256

      b5c72a18578c6cc7007b6c7738fa9f72b57ecaf26be44964af3947f7f2b5422f

    • SHA512

      741da8d09f76f645557c668cde3d05155e0497bae6a431fa81f85b8ace7ab16be35ecebf3a56f6a019dbafe72cd8ed916dc4ae3615e35c615d1c841fc84420c9

    • SSDEEP

      98304:GUwJ6Lv3608hjXk/o58364xowyoYLDVEjIHpnzwu7GsD:CSv61hjXk/W8364xowMqcnzwuCg

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks