General

  • Target

    HackBGRT-2.5.1.zip

  • Size

    2.0MB

  • Sample

    241214-11tpqawjgy

  • MD5

    bb04d0b0b92a57733941f05a7738dc90

  • SHA1

    3e9999f6f68d37b0953afd8b404257485e62fae4

  • SHA256

    abd591d27b0fc4c99fea4df79c796c432bd4f69bfe95e26065e72d2ac26f42a7

  • SHA512

    0389830b294c50958783a7e9f54bf5f89508896bdd02dfa911ddd21497761cd08dc0f1372dfb58785b91b86c92d79e77b33b5d5869cb7d11cdc9769a1f1dc4d3

  • SSDEEP

    49152:lsQ7se4o0QMg4LssSaHzpPACQGIxSuw+98ne6E2H0T9:lsQ7Z4E4Lmq6bGIC+aer2H0T9

Malware Config

Targets

    • Target

      HackBGRT-2.5.1.zip

    • Size

      2.0MB

    • MD5

      bb04d0b0b92a57733941f05a7738dc90

    • SHA1

      3e9999f6f68d37b0953afd8b404257485e62fae4

    • SHA256

      abd591d27b0fc4c99fea4df79c796c432bd4f69bfe95e26065e72d2ac26f42a7

    • SHA512

      0389830b294c50958783a7e9f54bf5f89508896bdd02dfa911ddd21497761cd08dc0f1372dfb58785b91b86c92d79e77b33b5d5869cb7d11cdc9769a1f1dc4d3

    • SSDEEP

      49152:lsQ7se4o0QMg4LssSaHzpPACQGIxSuw+98ne6E2H0T9:lsQ7Z4E4Lmq6bGIC+aer2H0T9

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Dharma family

    • Modifies WinLogon for persistence

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (558) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks