General

  • Target

    8637185e40a98f5cfa93a92e87d99bc3cc5b6f4bcfb5c960c249e97d2728138d

  • Size

    4.2MB

  • Sample

    240425-dqc8naec38

  • MD5

    3ed70dbeb738e852f2ac6f52b2a2735e

  • SHA1

    c0b331a4f293312ab47b15af70624e8d48fe8860

  • SHA256

    8637185e40a98f5cfa93a92e87d99bc3cc5b6f4bcfb5c960c249e97d2728138d

  • SHA512

    f47563fc386a309914eba668bb069e0bd3b9c97163fe0a3d763400c814b5a3f010eaea1957454d371bfcf931cc834de641a29ce837d443f155c913c0b799b05d

  • SSDEEP

    98304:KoLXUDNHz93Dv2SDo10StEtQ0zNL2UR2k1/Hv:ZUDNB72YVuEe0xC5uHv

Malware Config

Targets

    • Target

      8637185e40a98f5cfa93a92e87d99bc3cc5b6f4bcfb5c960c249e97d2728138d

    • Size

      4.2MB

    • MD5

      3ed70dbeb738e852f2ac6f52b2a2735e

    • SHA1

      c0b331a4f293312ab47b15af70624e8d48fe8860

    • SHA256

      8637185e40a98f5cfa93a92e87d99bc3cc5b6f4bcfb5c960c249e97d2728138d

    • SHA512

      f47563fc386a309914eba668bb069e0bd3b9c97163fe0a3d763400c814b5a3f010eaea1957454d371bfcf931cc834de641a29ce837d443f155c913c0b799b05d

    • SSDEEP

      98304:KoLXUDNHz93Dv2SDo10StEtQ0zNL2UR2k1/Hv:ZUDNB72YVuEe0xC5uHv

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

4
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks