Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35

  • Size

    4.2MB

  • Sample

    240505-k5439add5t

  • MD5

    bfc71ca900223ad56c9121cc673de4b6

  • SHA1

    e6ba2ca5c62dfe7fd4e8264e02d5843b74134a62

  • SHA256

    fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35

  • SHA512

    40ec696209d00aeed9fc9365018cbb79b8ba09160d53438d39d09a0cd60718dd02364de9a5cf1832d63fede25bbaf26aaad12bd590af3120ae5cbc3c60bd9d61

  • SSDEEP

    98304:xk8y34i1CiW2qts8hripbrqAE7yu1YbP/HC1aHOfU:xkgMFWB2vNrqbzKbnC1aHOfU

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35

    • Size

      4.2MB

    • MD5

      bfc71ca900223ad56c9121cc673de4b6

    • SHA1

      e6ba2ca5c62dfe7fd4e8264e02d5843b74134a62

    • SHA256

      fb2e7383576be283ad59ae08fe646bd3e99af99992487c7ec410fbdb8deddb35

    • SHA512

      40ec696209d00aeed9fc9365018cbb79b8ba09160d53438d39d09a0cd60718dd02364de9a5cf1832d63fede25bbaf26aaad12bd590af3120ae5cbc3c60bd9d61

    • SSDEEP

      98304:xk8y34i1CiW2qts8hripbrqAE7yu1YbP/HC1aHOfU:xkgMFWB2vNrqbzKbnC1aHOfU

    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