General

  • Target

    um.exe

  • Size

    7.6MB

  • Sample

    241116-bs5dtaxarc

  • MD5

    aa38c65c8b21f806c91623da185edf8a

  • SHA1

    0a69211d1110d3919e4168ed1add15a22e8bc137

  • SHA256

    6907f2970fe72131b4f9331d8381fca76e102745b8419a8a22d1acba90be5b46

  • SHA512

    1ef7855bc7784a74bb9c98b00b14e246e6d5c8ef05f5622641ba1b992d31ff61b49ece5cd609754da6b86c89b43cc7f562abf51d766ea665375e0056f0dc5a87

  • SSDEEP

    196608:vFHY7wfI9jUCzi4H1qSiXLGVi7DMgpZ3Q0VMwICEc/jp:1IHziK1piXLGVE4Ue0VJl

Malware Config

Targets

    • Target

      um.exe

    • Size

      7.6MB

    • MD5

      aa38c65c8b21f806c91623da185edf8a

    • SHA1

      0a69211d1110d3919e4168ed1add15a22e8bc137

    • SHA256

      6907f2970fe72131b4f9331d8381fca76e102745b8419a8a22d1acba90be5b46

    • SHA512

      1ef7855bc7784a74bb9c98b00b14e246e6d5c8ef05f5622641ba1b992d31ff61b49ece5cd609754da6b86c89b43cc7f562abf51d766ea665375e0056f0dc5a87

    • SSDEEP

      196608:vFHY7wfI9jUCzi4H1qSiXLGVi7DMgpZ3Q0VMwICEc/jp:1IHziK1piXLGVE4Ue0VJl

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks