Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158

  • Size

    4.2MB

  • Sample

    240419-wn94qacc4t

  • MD5

    6c45b6ce0b321f0e602f2a1fd39d715e

  • SHA1

    48aaa7ffe9d700ba9021f1b2ca24de6b8421dad0

  • SHA256

    1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158

  • SHA512

    1ea7891202c46b686c11067dfe714fd9b97203f0a3c9dc30b25af04c3e4533b9f3c92e9053ff52626ff110ce62bb1bf10409385b88c9bad99c83916f09aaad90

  • SSDEEP

    98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCz:OAu+ENnjVyYiVNw4S

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158

    • Size

      4.2MB

    • MD5

      6c45b6ce0b321f0e602f2a1fd39d715e

    • SHA1

      48aaa7ffe9d700ba9021f1b2ca24de6b8421dad0

    • SHA256

      1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158

    • SHA512

      1ea7891202c46b686c11067dfe714fd9b97203f0a3c9dc30b25af04c3e4533b9f3c92e9053ff52626ff110ce62bb1bf10409385b88c9bad99c83916f09aaad90

    • SSDEEP

      98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCz:OAu+ENnjVyYiVNw4S

    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