General

  • Target

    4762b3698567f6ca4476b7efda3c9c8aac61b9d3123d67cd2379d8dbfcd8ebff

  • Size

    605KB

  • Sample

    221127-mjebtaac85

  • MD5

    10d50f6d602c7226059e474446961752

  • SHA1

    762085efb1976770d0030ece0df8c45bc70e7b13

  • SHA256

    4762b3698567f6ca4476b7efda3c9c8aac61b9d3123d67cd2379d8dbfcd8ebff

  • SHA512

    6e1ab1a48b9c476d030b2f4a62512e16a05d94c9bddac35043d936c217028f979ec7b8ac9ceacfcadf773ceabc3b7fcde1d1bc3aa2c1415c5b17be71428ef980

  • SSDEEP

    12288:GUqGjCSIzDzzXRZCasVJpxmRDdnDRU08hAFhiU7ENld7A2mhJB2MVq:GUqiGnzXRZh+pkRDhSAjQd3mhTtq

Malware Config

Targets

    • Target

      Atualização UPF n. 2.2.0.3.exe

    • Size

      1.0MB

    • MD5

      2401765178074a5b2f7aa40df5d5eb9b

    • SHA1

      f51da992a5c9c6980223c9fbc39b1175abb3d8d0

    • SHA256

      4622a83bb4d5b4e7d8e0ea963c927f9a900adb62bc1ab0263409e03d91a59eee

    • SHA512

      af00476c5571281b1b1028b267bf70a28d00bcbc181aa8b422249dfabcf68d127795d15780321cba3c04e606742e33c2847143b359728bb0cdc0a7cff5cc8e25

    • SSDEEP

      12288:vUOyMQXOm6Qx7701919qSyVgEHObxxvN8owF3mNpeod8Cw7KZkFkF4:vPlQXf6Qxv0pkhLOdxvNB+ibwWZS

    • Imminent RAT

      Remote-access trojan based on Imminent Monitor remote admin software.

    • Modifies WinLogon for persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks