glupteba | 99b38840511cf4456d4b85b588e6643fa423ecb50c0cccfcb8f0e4dec2cd9921 | Triage

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Overview

overview

Static

static

1

cryptolaemus

windows10-2004-x64

cryptolaemus

windows11-21h2-x64

Sharing

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General

Target

99b38840511cf4456d4b85b588e6643fa423ecb50c0cccfcb8f0e4dec2cd9921
Size

4.1MB
Sample

240329-mfpclseg3z
MD5

1c4fd3abd16df5769340d2157667cd8a
SHA1

af4c2c181b31a6b8497350ab72193b847fa220c1
SHA256

99b38840511cf4456d4b85b588e6643fa423ecb50c0cccfcb8f0e4dec2cd9921
SHA512

bf500025652ad4b47f39a0dfaa1174f394e256c3fdb1e01f0dfc24f5bc1f597274fc632449428e28699b6c801d5ac29a357613a21714613f53de73253e433ad3
SSDEEP

98304:0aEmfxmJR66TkeGUe4mrO+bILWs+wDYRz+iVBdL4Y:xm66F/cKWs+wDYRzF4Y

Score

10^/10

glupteba discovery dropper evasion loader persistence rootkit upx

Static task

static1

Behavioral task

behavioral1

Sample

99b38840511cf4456d4b85b588e6643fa423ecb50c0cccfcb8f0e4dec2cd9921.exe

Resource

win10v2004-20240319-en

glupteba discovery dropper evasion loader persistence rootkit upx

windows10-2004-x64

18 signatures

150 seconds

Behavioral task

behavioral2

Sample

99b38840511cf4456d4b85b588e6643fa423ecb50c0cccfcb8f0e4dec2cd9921.exe

Resource

win11-20240221-en

glupteba discovery dropper evasion loader persistence rootkit upx

windows11-21h2-x64

18 signatures

150 seconds

Malware Config

Targets

- Target
  
  99b38840511cf4456d4b85b588e6643fa423ecb50c0cccfcb8f0e4dec2cd9921
- Size
  
  4.1MB
- MD5
  
  1c4fd3abd16df5769340d2157667cd8a
- SHA1
  
  af4c2c181b31a6b8497350ab72193b847fa220c1
- SHA256
  
  99b38840511cf4456d4b85b588e6643fa423ecb50c0cccfcb8f0e4dec2cd9921
- SHA512
  
  bf500025652ad4b47f39a0dfaa1174f394e256c3fdb1e01f0dfc24f5bc1f597274fc632449428e28699b6c801d5ac29a357613a21714613f53de73253e433ad3
- SSDEEP
  
  98304:0aEmfxmJR66TkeGUe4mrO+bILWs+wDYRz+iVBdL4Y:xm66F/cKWs+wDYRzF4Y
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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