Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    653995818ddc341840c902fee76c18e47bb2cbd4f4e0709cab22a4d4a056e2d7

  • Size

    4.1MB

  • Sample

    240511-nk8sgseb2s

  • MD5

    b800a70af3b8faebece3c756b4449b23

  • SHA1

    d890cb2fc6a5c9b1a14b2db987e9c01106547490

  • SHA256

    653995818ddc341840c902fee76c18e47bb2cbd4f4e0709cab22a4d4a056e2d7

  • SHA512

    bf255fd026f29bd1344dc04948fa87d8f36b0326cb53ad14ca9ca554a463b65d455f1e173ceb3eb4e5682e90983aafe6c440bd8a9046257c9d50d9ad8e00b8a9

  • SSDEEP

    98304:ValdxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3QK:6xq6ggrt/os9O/WxuFhK+AK

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      653995818ddc341840c902fee76c18e47bb2cbd4f4e0709cab22a4d4a056e2d7

    • Size

      4.1MB

    • MD5

      b800a70af3b8faebece3c756b4449b23

    • SHA1

      d890cb2fc6a5c9b1a14b2db987e9c01106547490

    • SHA256

      653995818ddc341840c902fee76c18e47bb2cbd4f4e0709cab22a4d4a056e2d7

    • SHA512

      bf255fd026f29bd1344dc04948fa87d8f36b0326cb53ad14ca9ca554a463b65d455f1e173ceb3eb4e5682e90983aafe6c440bd8a9046257c9d50d9ad8e00b8a9

    • SSDEEP

      98304:ValdxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3QK:6xq6ggrt/os9O/WxuFhK+AK

    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 Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks