glupteba | 4fcf85548628eee54f04df27321d2e4cb5f5749bee4f58275499014ed8efb815 | Triage

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Overview

overview

Static

static

1

cryptolaemus

windows10-2004-x64

cryptolaemus

windows11-21h2-x64

Sharing

General

Target

4fcf85548628eee54f04df27321d2e4cb5f5749bee4f58275499014ed8efb815
Size

4.1MB
Sample

240421-zegycsbd7s
MD5

d7063823a0251ca9c1f63316fda8e362
SHA1

fc17efe741a3c0b4795e0ee512cdedda1af992c0
SHA256

4fcf85548628eee54f04df27321d2e4cb5f5749bee4f58275499014ed8efb815
SHA512

38b4744cc5ef10367d5d72a751d0a19630e8a0aba1657b3af738dfc8740a24d92fc3fca878ea351453763c3a47cc704cd62898b8690110c83712c43aa96ea397
SSDEEP

98304:46+NbupGYWkWUKqb2mQEf1KRMJYjr3YWC6hMfGb3gpntSA:5+NqpqkWfc2mFNDYjrxhMfGQpntv

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit upx

Static task

static1

Behavioral task

behavioral1

Sample

4fcf85548628eee54f04df27321d2e4cb5f5749bee4f58275499014ed8efb815.exe

Resource

win10v2004-20240412-en

glupteba discovery dropper evasion loader persistence rootkit upx

windows10-2004-x64

18 signatures

150 seconds

Behavioral task

behavioral2

Sample

4fcf85548628eee54f04df27321d2e4cb5f5749bee4f58275499014ed8efb815.exe

Resource

win11-20240412-en

glupteba discovery dropper evasion loader persistence rootkit upx

windows11-21h2-x64

18 signatures

150 seconds

Malware Config

Targets

- Target
  
  4fcf85548628eee54f04df27321d2e4cb5f5749bee4f58275499014ed8efb815
- Size
  
  4.1MB
- MD5
  
  d7063823a0251ca9c1f63316fda8e362
- SHA1
  
  fc17efe741a3c0b4795e0ee512cdedda1af992c0
- SHA256
  
  4fcf85548628eee54f04df27321d2e4cb5f5749bee4f58275499014ed8efb815
- SHA512
  
  38b4744cc5ef10367d5d72a751d0a19630e8a0aba1657b3af738dfc8740a24d92fc3fca878ea351453763c3a47cc704cd62898b8690110c83712c43aa96ea397
- SSDEEP
  
  98304:46+NbupGYWkWUKqb2mQEf1KRMJYjr3YWC6hMfGb3gpntSA:5+NqpqkWfc2mFNDYjrxhMfGQpntv
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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