General

  • Target

    nuker.exe

  • Size

    24.5MB

  • Sample

    250413-wkqwns1yct

  • MD5

    86f16ea4e8118a29b3d14e379c923aac

  • SHA1

    a2c482fa274f12f4e32a0bcd32a5648a784a21ca

  • SHA256

    86c2bfa1421c2103e72217c27a8c5a9d6d8df4de533125b1c8af362097d5a0d1

  • SHA512

    e336a79bfd812891f4bd8b4439f862a98b6d4554ad97b05497a7890fd3d77c1f8df5a4335176272ee9aab2efebd2d97354247aafe730e9136390d8b308b03677

  • SSDEEP

    393216:9zOLabDO3x0ecvR6guMIO+4n7DbLRfFT+cqEsyk51pwcRDVYQZHicQGAX+PD3Q7e:7+cggtB+AbLX+jEpiOcRDVNVicQh+zj

Malware Config

Targets

    • Target

      nuker.exe

    • Size

      24.5MB

    • MD5

      86f16ea4e8118a29b3d14e379c923aac

    • SHA1

      a2c482fa274f12f4e32a0bcd32a5648a784a21ca

    • SHA256

      86c2bfa1421c2103e72217c27a8c5a9d6d8df4de533125b1c8af362097d5a0d1

    • SHA512

      e336a79bfd812891f4bd8b4439f862a98b6d4554ad97b05497a7890fd3d77c1f8df5a4335176272ee9aab2efebd2d97354247aafe730e9136390d8b308b03677

    • SSDEEP

      393216:9zOLabDO3x0ecvR6guMIO+4n7DbLRfFT+cqEsyk51pwcRDVYQZHicQGAX+PD3Q7e:7+cggtB+AbLX+jEpiOcRDVNVicQh+zj

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Exelastealer family

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • 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.

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks