Overview

overview

10

Static

static

10

8f7ca01af0...67.exe

windows7-x64

10

8f7ca01af0...67.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8f7ca01af02a7bf45b21ef0e505e09f73541ff4760b619c090f081bc3931e567.exe

  • Size

    3.1MB

  • MD5

    4684c1562b622363eec5e36c9fa22efe

  • SHA1

    af7d7a57cde7b822dabf4f26f3dcd7e4afe62d8f

  • SHA256

    8f7ca01af02a7bf45b21ef0e505e09f73541ff4760b619c090f081bc3931e567

  • SHA512

    b8a9ad6f81ff60356ec1475e1c542ea6caff93b7bec615c4b5d3eeba5da599dde9a01524c25f87d555f60628b8221c157efb8e4dc5ba8d187dc3e44ca10f3c82

  • SSDEEP

    49152:fvOI22SsaNYfdPBldt698dBcjHhTxNESE5k/iXLoGdThTHHB72eh2NT:fvj22SsaNYfdPBldt6+dBcjHxx87

Score
10/10
office04quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

114.132.87.123:4782

Mutex

9316ee98-33ba-4302-ba6e-06185efa3986

Attributes
  • encryption_key

    80176A975CE454147DF65B359EA1E6E3E1613DBA

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables containing common artifacts observed in infostealers 1 IoCs
  • Quasar family
    quasar
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

Files

  • 8f7ca01af02a7bf45b21ef0e505e09f73541ff4760b619c090f081bc3931e567.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections