Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    a995a66e601d63b8791d6e5df85de4d73b29ea402af5df2f5fdc870dd10dca38

  • Size

    4.2MB

  • Sample

    240504-t1cymsec22

  • MD5

    107b71d3cb87e45c406967f47dfb00a7

  • SHA1

    017a831d465b02b2c7a9713c6fc8328e2f93c84a

  • SHA256

    a995a66e601d63b8791d6e5df85de4d73b29ea402af5df2f5fdc870dd10dca38

  • SHA512

    5a452c050ea1d6bc60ea97ddef197480102846a388bd6192d15147f4a49b4f6e5c744083e2cc52d660e1881509256a2ce127e4783069fa64092e91e1fde73b0f

  • SSDEEP

    98304:j0EF6F4YUhlIDTp3r/Q65z8gKGNYfITQpmJDZnlvjdc8y4IIDEVE6kirDP:gEFjTlap306qGNY45O8y45DX6RrDP

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      a995a66e601d63b8791d6e5df85de4d73b29ea402af5df2f5fdc870dd10dca38

    • Size

      4.2MB

    • MD5

      107b71d3cb87e45c406967f47dfb00a7

    • SHA1

      017a831d465b02b2c7a9713c6fc8328e2f93c84a

    • SHA256

      a995a66e601d63b8791d6e5df85de4d73b29ea402af5df2f5fdc870dd10dca38

    • SHA512

      5a452c050ea1d6bc60ea97ddef197480102846a388bd6192d15147f4a49b4f6e5c744083e2cc52d660e1881509256a2ce127e4783069fa64092e91e1fde73b0f

    • SSDEEP

      98304:j0EF6F4YUhlIDTp3r/Q65z8gKGNYfITQpmJDZnlvjdc8y4IIDEVE6kirDP:gEFjTlap306qGNY45O8y45DX6RrDP

    Score
    10/10
    gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

    • Glupteba

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

      loaderdropperglupteba

    • Glupteba payload

    • Modifies Windows Firewall

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Manipulates WinMonFS driver.

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

      rootkitevasion

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks