Overview

overview

10

Static

static

10

c382b67f43...b4.exe

windows7-x64

10

c382b67f43...b4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c382b67f4330082877b179fa1d7178cb8261f7519b2bf46965e6cabcd4c943b4.exe

  • Size

    3.1MB

  • MD5

    77a90be3321346e8f5634f9eb8b4d0b1

  • SHA1

    b3ee9e495f2bea953426d3089aa6d5cf931f9965

  • SHA256

    c382b67f4330082877b179fa1d7178cb8261f7519b2bf46965e6cabcd4c943b4

  • SHA512

    6a6174c44e0862b5f89cbe00450d38617258a04b810c00bd693ca060b548c20681eba77f857dce220da6bf4b643005dc0ab8b1466eeba11096055d183dc1d045

  • SSDEEP

    49152:KvBt62XlaSFNWPjljiFa2RoUYI4ORJ6ybR3LoGd+eTHHB72eh2NT:Kvr62XlaSFNWPjljiFXRoUYI4ORJ6s

Score
10/10
office04quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.80:4782

Mutex

5a914085-b3e9-429d-b149-21a78d5a1343

Attributes
  • encryption_key

    28FF786078502C2CBC56C26D43C51F994C53E9BC

  • install_name

    winlogon.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    winlogon.exe

  • subdirectory

    win64LOGON

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

  • c382b67f4330082877b179fa1d7178cb8261f7519b2bf46965e6cabcd4c943b4.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections