glupteba

General

Target

95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e.exe
Size

404KB
Sample

240421-blq8lsfd7w
MD5

15ce9e885610d5b85500ea0d139f6d21
SHA1

99f1392185a70453f33e15d6f5b75064217c2c18
SHA256

95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e
SHA512

9ee8e3fb682cf7abb5804106f841551f2f0fd8ace9842e67f3bda573772d39a6482d19e853de5a9a48d177350a3398cb814105ced01fdfb1be6db7e8bc9055b9
SSDEEP

6144:/IJTLRoSz47P8DiLdwXQIPcnEPjj9tQPBBpRPZi9opzUeqcnoKPcmPuJkJ:wlRoSz4j8DM6gIxfUP+2Ye9oCcmf

Score

10^/10

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes

url_path
/3cd2b41cbde8fc9c.php

Targets

- Target
  
  95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e.exe
- Size
  
  404KB
- MD5
  
  15ce9e885610d5b85500ea0d139f6d21
- SHA1
  
  99f1392185a70453f33e15d6f5b75064217c2c18
- SHA256
  
  95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e
- SHA512
  
  9ee8e3fb682cf7abb5804106f841551f2f0fd8ace9842e67f3bda573772d39a6482d19e853de5a9a48d177350a3398cb814105ced01fdfb1be6db7e8bc9055b9
- SSDEEP
  
  6144:/IJTLRoSz47P8DiLdwXQIPcnEPjj9tQPBBpRPZi9opzUeqcnoKPcmPuJkJ:wlRoSz4j8DM6gIxfUP+2Ye9oCcmf
Score

10^/10

glupteba stealc discovery dropper evasion loader persistence rootkit spyware stealer themida trojan upx
- Glupteba
  Glupteba is a modular loader written in Golang with various components.
  loader dropper glupteba
- Glupteba payload
- Stealc
  Stealc is an infostealer written in C++.
  stealer stealc
- UAC bypass
  evasion trojan
- Windows security bypass
  evasion trojan
- Detects Windows executables referencing non-Windows User-Agents
- Detects executables (downlaoders) containing URLs to raw contents of a paste
- Detects executables Discord URL observed in first stage droppers
- Detects executables containing URLs to raw contents of a Github gist
- Detects executables containing artifacts associated with disabling Widnows Defender
- Detects executables packed with Themida
- Detects executables packed with or use KoiVM
- Detects executables referencing many varying, potentially fake Windows User-Agents
- UPX dump on OEP (original entry point)
- Downloads MZ/PE file
- Modifies Windows Firewall
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Windows security modification
  evasion trojan
- 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
- Checks whether UAC is enabled
  evasion trojan
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Manipulates WinMonFS driver.
  Roottkits write to WinMonFS to hide directories/files from being detected.
  rootkit evasion
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2