glupteba | 9cf33dbf3eb1d2090bf76dcaa66e5bb14e9f81b4c22eceaf72df21bfa2e433db | Triage

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Overview

overview

Static

static

1

cryptolaemus

windows10-2004-x64

cryptolaemus

windows11-21h2-x64

Sharing

General

Target

9cf33dbf3eb1d2090bf76dcaa66e5bb14e9f81b4c22eceaf72df21bfa2e433db
Size

4.2MB
Sample

240416-26lfzafb57
MD5

81094d131377ab691d6f6283aa430ff3
SHA1

2682bab9ff90c6ffaa85ab1dd73a00b7b3d169e2
SHA256

9cf33dbf3eb1d2090bf76dcaa66e5bb14e9f81b4c22eceaf72df21bfa2e433db
SHA512

f6678d569036205dc78ac705d095ac0f8fd3442658ea28d693d884f0077aa0590be15e3ef5b180556d519d808839ee92654541a42d0105aee93275bd2af7db00
SSDEEP

98304:E11nBFm7L477O3ZxwksExFmebn837tJkH5flyKdl:ELnBF77OZOE3mebnMLQdl

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit upx

Static task

static1

Behavioral task

behavioral1

Sample

9cf33dbf3eb1d2090bf76dcaa66e5bb14e9f81b4c22eceaf72df21bfa2e433db.exe

Resource

win10v2004-20240412-en

glupteba discovery dropper evasion loader persistence rootkit upx

windows10-2004-x64

18 signatures

150 seconds

Behavioral task

behavioral2

Sample

9cf33dbf3eb1d2090bf76dcaa66e5bb14e9f81b4c22eceaf72df21bfa2e433db.exe

Resource

win11-20240412-en

glupteba discovery dropper evasion loader persistence rootkit upx

windows11-21h2-x64

18 signatures

150 seconds

Malware Config

Targets

- Target
  
  9cf33dbf3eb1d2090bf76dcaa66e5bb14e9f81b4c22eceaf72df21bfa2e433db
- Size
  
  4.2MB
- MD5
  
  81094d131377ab691d6f6283aa430ff3
- SHA1
  
  2682bab9ff90c6ffaa85ab1dd73a00b7b3d169e2
- SHA256
  
  9cf33dbf3eb1d2090bf76dcaa66e5bb14e9f81b4c22eceaf72df21bfa2e433db
- SHA512
  
  f6678d569036205dc78ac705d095ac0f8fd3442658ea28d693d884f0077aa0590be15e3ef5b180556d519d808839ee92654541a42d0105aee93275bd2af7db00
- SSDEEP
  
  98304:E11nBFm7L477O3ZxwksExFmebn837tJkH5flyKdl:ELnBF77OZOE3mebnMLQdl
Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit upx
- Glupteba
  Glupteba is a modular loader written in Golang with various components.
  loader dropper glupteba
- 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.
  rootkit evasion
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Scheduled Task/Job

Defense Evasion

Impair Defenses

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

gluptebadiscoverydropperevasionloaderpersistencerootkitupx

behavioral2

gluptebadiscoverydropperevasionloaderpersistencerootkitupx

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