Overview

overview

10

Static

static

3

9d737c768d...88.exe

windows7-x64

10

9d737c768d...88.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f4a3d9404ad522ec1b9bd8feb8dca3b5.bin

  • Size

    459KB

  • Sample

    231024-c9k7yabh95

  • MD5

    24f5be8735121e539e777b0e7fc5fe61

  • SHA1

    3158fa8e66b160a92d4e1014d285b72f48a97f7a

  • SHA256

    d69de6f4205696769caffe6bc3b75fd2da005041dcd88c110da9937a159233b6

  • SHA512

    d842ab02af7e65c0d42da45b9c8f361003bd6827c8b058c52fd0067267b6769cf2428df316948f322d6b5eaf5d6b9556ef7130edf6f020158ce79f09c971b973

  • SSDEEP

    12288:QA11XdtaPye8DJnQDYsLC1cYHfwJhqjwSWabpN/NE:QadkyJDFQDYH+EwLkp5NE

Score
10/10
quasarofficespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office

C2

37.1.207.27:222

Mutex

7xg1muSKali1I2y5IZ

Attributes
  • encryption_key

    KWyZntdiPrrGnzylskuR

  • install_name

    csrss.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    NET framework

  • subdirectory

    SubDir

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Targets

    • Target

      9d737c768d419aed55de299a114fb8b4928d263320caa4b35c08f4c0bb3fcb88.exe

    • Size

      502KB

    • MD5

      f4a3d9404ad522ec1b9bd8feb8dca3b5

    • SHA1

      33201170d62419689b5685b22325512c27ca16ab

    • SHA256

      9d737c768d419aed55de299a114fb8b4928d263320caa4b35c08f4c0bb3fcb88

    • SHA512

      c593bab9c02e4a5a78d420710e422e8b562e2d2e040c745a75aac4a44695ec8d8e83ef999abd17fdd0db0e668a390d93f9d121446fb2f702d982e0bc8e04beea

    • SSDEEP

      6144:8zAOLe5C9/l3Iv3hlwJYrCp5+kP/af/9jwlYj4ixSP7PtcaZuSrg6n2i3UMyoQTk:8zxICbojRxEceusRn1EvQY

    Score
    10/10
    quasarofficespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • 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 Matrix

Tasks