Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3

  • Size

    4.1MB

  • Sample

    240517-ylp2wafh91

  • MD5

    b21b90b9b0b2f45581b60b79e4d69f76

  • SHA1

    d512fed5cb04a31f0c3fb9ff55eb3ae90d1d1623

  • SHA256

    748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3

  • SHA512

    238a784bd11590093f5040c1368f0b7f675f558a0e91f2f7bf976dea4b43627d2b1b014bd6dbaf3e2bfa6de322998f6fd2e6fd8f4d2a7937b40c3526f709ceec

  • SSDEEP

    49152:NKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJw8:N1wCr5kG+hEArjFEeNSldQg15xmh8

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3

    • Size

      4.1MB

    • MD5

      b21b90b9b0b2f45581b60b79e4d69f76

    • SHA1

      d512fed5cb04a31f0c3fb9ff55eb3ae90d1d1623

    • SHA256

      748a3e73e44860b723f2e82953c91d050d7b59edbb39cf59bff8ae643e3a6ba3

    • SHA512

      238a784bd11590093f5040c1368f0b7f675f558a0e91f2f7bf976dea4b43627d2b1b014bd6dbaf3e2bfa6de322998f6fd2e6fd8f4d2a7937b40c3526f709ceec

    • SSDEEP

      49152:NKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJw8:N1wCr5kG+hEArjFEeNSldQg15xmh8

    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