Overview

overview

10

Static

static

3

47a15a0aac...9c.exe

windows7-x64

10

47a15a0aac...9c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    47a15a0aac65d13a6584ef7fc87a0cddb29fdf65c8a91953d34ab246526d119c.exe

  • Size

    876KB

  • Sample

    241125-r8d5ka1rg1

  • MD5

    b86b4d4fd31a31c1f0928ceb0483021e

  • SHA1

    05391d6db90e961e02d2b16166572e9061768282

  • SHA256

    47a15a0aac65d13a6584ef7fc87a0cddb29fdf65c8a91953d34ab246526d119c

  • SHA512

    ea9b80462539b41d786d1566b71c847afe33adac8971016406bee37efa64f8f460d0578a9374cf3adeb9862047705f756eafb39d2a57746f56b7ad907f1922f4

  • SSDEEP

    12288:6COzWsvIDqNc4Gqu7x5BRd6CMWMpFY0wjTyE9OXcg6VpUoME4KN6eclg5QUC:BOzxiqgjx5TddMWM0/83UDMTKgwC

Score
10/10
quasaraoydiscoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

AOY

C2

87.120.120.27:61540

127.0.0.1:61540

87.121.86.205:61541
Mutex

QSR_MUTEX_NOCv4TURf46HbVbxyc

Attributes
  • encryption_key

    fVsndNhImy9VosyZSQbQ

  • install_name

    updates.exe

  • log_directory

    Logs

  • reconnect_delay

    4000

  • startup_key

    Windows Update

  • subdirectory

    Windows

Targets

    • Target

      47a15a0aac65d13a6584ef7fc87a0cddb29fdf65c8a91953d34ab246526d119c.exe

    • Size

      876KB

    • MD5

      b86b4d4fd31a31c1f0928ceb0483021e

    • SHA1

      05391d6db90e961e02d2b16166572e9061768282

    • SHA256

      47a15a0aac65d13a6584ef7fc87a0cddb29fdf65c8a91953d34ab246526d119c

    • SHA512

      ea9b80462539b41d786d1566b71c847afe33adac8971016406bee37efa64f8f460d0578a9374cf3adeb9862047705f756eafb39d2a57746f56b7ad907f1922f4

    • SSDEEP

      12288:6COzWsvIDqNc4Gqu7x5BRd6CMWMpFY0wjTyE9OXcg6VpUoME4KN6eclg5QUC:BOzxiqgjx5TddMWM0/83UDMTKgwC

    Score
    10/10
    quasaraoydiscoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks