Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

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General

  • Target

    a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc

  • Size

    4.2MB

  • Sample

    240420-nvmyrsfg67

  • MD5

    97f8f429d24efcb849e68d1851016c00

  • SHA1

    dfdac8d8663644d1662dd89743b9c3cb0913efc6

  • SHA256

    a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc

  • SHA512

    31ad7b613cd88914f157581ef7e38aaa0be150216aaed62935afdeed6dc9ae04d05878994e12e5d61b8be1341a4126c2eadeee597e47a2d00450d9f29302536c

  • SSDEEP

    98304:CExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nRD:CMby0Sruak17xwS

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc

    • Size

      4.2MB

    • MD5

      97f8f429d24efcb849e68d1851016c00

    • SHA1

      dfdac8d8663644d1662dd89743b9c3cb0913efc6

    • SHA256

      a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc

    • SHA512

      31ad7b613cd88914f157581ef7e38aaa0be150216aaed62935afdeed6dc9ae04d05878994e12e5d61b8be1341a4126c2eadeee597e47a2d00450d9f29302536c

    • SSDEEP

      98304:CExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nRD:CMby0Sruak17xwS

    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