Overview

overview

10

Static

static

10

29fb5f7b7d...e7.exe

windows7-x64

10

29fb5f7b7d...e7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    29fb5f7b7dfb67eef0c61a9399135775faa115fbf3671cf8a58cc50c049657e7

  • Size

    3.1MB

  • MD5

    88fbaddac03a7dcf64d5c3d35de20dab

  • SHA1

    52c48bb6e40d746de55a749dc5e6b5ee50da2b6b

  • SHA256

    29fb5f7b7dfb67eef0c61a9399135775faa115fbf3671cf8a58cc50c049657e7

  • SHA512

    86ac1ca0d3d96b17750e86b289b6e214d6d0f98c1a0b465caac767b3a08ace96fcb6baa5c0a984e0bbe5c33e5255971ac32dcca332e32df59085167bbf83ce79

  • SSDEEP

    49152:avyI22SsaNYfdPBldt698dBcjHQAvGEEsMkCqMLoydb5THHB72eh2NT:avf22SsaNYfdPBldt6+dBcjHQAvzSx

Score
10/10
office04quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.77:4782

Mutex

57620c84-6018-493b-9afd-6585e4e16b44

Attributes
  • encryption_key

    965D530FFAF12634A373AC54D155991C7805AEF2

  • 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

  • 29fb5f7b7dfb67eef0c61a9399135775faa115fbf3671cf8a58cc50c049657e7
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections