General

  • Target

    9d8e305e64525eca900f7bac0d2f1616e2b0f8da0e0136d0524b7676b11b754c

  • Size

    4.2MB

  • Sample

    230608-s5fdwsge67

  • MD5

    248d0641bfacce15ba0382067ca2bc7f

  • SHA1

    7acea0134da299a42b5922d79ee1cfcb71818caf

  • SHA256

    9d8e305e64525eca900f7bac0d2f1616e2b0f8da0e0136d0524b7676b11b754c

  • SHA512

    4db4b465fe19dc81c4774a22a4ec458e156cee25542e19360cd16d4e247ca6110ec4b1e9ba3bf36b564cff5f0e8d6aa2dc35c386e0b21aa923b814c5bf947513

  • SSDEEP

    98304:kD6BJq3x/k9BOyFc5DGITwYQhAAFeX50i+XvH1mMBgMW/g:5isB3chGrWAkX50iivVmbMkg

Malware Config

Targets

    • Target

      9d8e305e64525eca900f7bac0d2f1616e2b0f8da0e0136d0524b7676b11b754c

    • Size

      4.2MB

    • MD5

      248d0641bfacce15ba0382067ca2bc7f

    • SHA1

      7acea0134da299a42b5922d79ee1cfcb71818caf

    • SHA256

      9d8e305e64525eca900f7bac0d2f1616e2b0f8da0e0136d0524b7676b11b754c

    • SHA512

      4db4b465fe19dc81c4774a22a4ec458e156cee25542e19360cd16d4e247ca6110ec4b1e9ba3bf36b564cff5f0e8d6aa2dc35c386e0b21aa923b814c5bf947513

    • SSDEEP

      98304:kD6BJq3x/k9BOyFc5DGITwYQhAAFeX50i+XvH1mMBgMW/g:5isB3chGrWAkX50iivVmbMkg

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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 WinMonFS driver.

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks