Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    18841feab5ec116c5f1aca1f0d40f2eb92bd6d896ac42b0847b3969e928da5cf

  • Size

    4.2MB

  • Sample

    240425-l3926ahf54

  • MD5

    1ecc1ccdcbb24e3896ef3862f33a04cb

  • SHA1

    e8a9120ca97315defcf7e5434060a1a3fb64d29c

  • SHA256

    18841feab5ec116c5f1aca1f0d40f2eb92bd6d896ac42b0847b3969e928da5cf

  • SHA512

    0dedd9d69e90cc942d40907e7869ac25638b31f0b9a8a4c18df4e013e23144a614a0651c3177ab7ff00ba05bb6e387f3ac95014f92fe4900e6dae695eb1e06ce

  • SSDEEP

    98304:pVZ8YaHLZbdTGPWbzvCz1SbsIN2xntSV3Lk4gGf7SZ7O3TWur+:pVdUTGUCz4L243Lk4Du1OjWD

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      18841feab5ec116c5f1aca1f0d40f2eb92bd6d896ac42b0847b3969e928da5cf

    • Size

      4.2MB

    • MD5

      1ecc1ccdcbb24e3896ef3862f33a04cb

    • SHA1

      e8a9120ca97315defcf7e5434060a1a3fb64d29c

    • SHA256

      18841feab5ec116c5f1aca1f0d40f2eb92bd6d896ac42b0847b3969e928da5cf

    • SHA512

      0dedd9d69e90cc942d40907e7869ac25638b31f0b9a8a4c18df4e013e23144a614a0651c3177ab7ff00ba05bb6e387f3ac95014f92fe4900e6dae695eb1e06ce

    • SSDEEP

      98304:pVZ8YaHLZbdTGPWbzvCz1SbsIN2xntSV3Lk4gGf7SZ7O3TWur+:pVdUTGUCz4L243Lk4Du1OjWD

    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