General

  • Target
    Bloxstrap-v2.5.1-main.zip
  • Size 2.0MB
  • Sample240510-qata6abc72
  • SHA256 e46ddb2b2b2cc74e8306adc682228969d35e2943a917e321bd5db72e744d2d05
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • 192.168.1.114:4782

Mutex
  • 10d94abb-0198-407e-aa98-bb80c5b37835

Attributes
  • encryption_key

    45C885494447187E9FBAD6C4E1ACD4A1590FC706

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Runtime

  • subdirectory

    SubDir

Signatures

  • AgentTesla payload 1 IoCs
  • Agenttesla family
  • Quasar family
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Bloxstrap-v2.5.1-main.zip
    .zip 2.0MB
  • Bloxstrap-v2.5.1-main/BloxStrap v2.5.4.1.exe
    .exe 3.1MB
  • Bloxstrap-v2.5.1-main/Guna.UI2.dll
    .dll 2.1MB
  • Bloxstrap-v2.5.1-main/Kernel.sys
    .sys 23KB
  • Bloxstrap-v2.5.1-main/WebView2Loader.dll
    .dll 112KB
  • Bloxstrap-v2.5.1-main/autoexec.lnk
    .lnk 1KB
  • Bloxstrap-v2.5.1-main/aworkspace.lnk
    .lnk 1KB

Bloxstrap-v2.5.1-main.zip

  • SHA256 e46ddb2b2b2cc74e8306adc682228969d35e2943a917e321bd5db72e744d2d05
  • MD5 SHA1 SHA512 SSDEEP