Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    2d2ef408ce308d6b11c287d84eefe6572363b4a2a055b53963034bc26748ab4e

  • Size

    4.2MB

  • Sample

    240419-l8wfysfb45

  • MD5

    57a50553ea112128ef4b8a4463fe7571

  • SHA1

    85f3b42600389418d1195edb95c0f157d7606061

  • SHA256

    2d2ef408ce308d6b11c287d84eefe6572363b4a2a055b53963034bc26748ab4e

  • SHA512

    0560024ac2fdf342982d21b4bbdfb190279ad9fbbd45850976ba4d6a2627a481d817afa85de21d960fdba048e16749868b605597ffe17bc0851ba790de115688

  • SSDEEP

    98304:ZkCzxGX67jziInOwT+p9cyq2eBMnsC4wev2TDFlm5IHuXjY:LAXIiaT+p9uBMsCfecmJs

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      2d2ef408ce308d6b11c287d84eefe6572363b4a2a055b53963034bc26748ab4e

    • Size

      4.2MB

    • MD5

      57a50553ea112128ef4b8a4463fe7571

    • SHA1

      85f3b42600389418d1195edb95c0f157d7606061

    • SHA256

      2d2ef408ce308d6b11c287d84eefe6572363b4a2a055b53963034bc26748ab4e

    • SHA512

      0560024ac2fdf342982d21b4bbdfb190279ad9fbbd45850976ba4d6a2627a481d817afa85de21d960fdba048e16749868b605597ffe17bc0851ba790de115688

    • SSDEEP

      98304:ZkCzxGX67jziInOwT+p9cyq2eBMnsC4wev2TDFlm5IHuXjY:LAXIiaT+p9uBMsCfecmJs

    Score
    10/10
    gluptebadiscoverydropperevasionloaderpersistencerootkitupx

    • 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

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