Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 288KB
  • Sample231022-2c1nssfa27
  • SHA256 60ac7265bca7554c1b44e9df57ea9960424a581a29222e0b6f0cc1aa54b37fef
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
keyauthquasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.0.0

Botnet

  • keyauth

C2

  • okaa0-35095.portmap.host:25007

Mutex

  • XCN8AF3RJWl0AQkSQo

Attributes
  • encryption_key

    wAFU7n1AkmM7sd0Wm2sH

  • install_name

    COM Surrogate.exe

  • log_directory

    Logs

  • reconnect_delay

    1

  • startup_key

    Google

  • subdirectory

    SubDir

Signatures

  • Quasar family
    quasar
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Client-built.exe
    .exe 288KB

Client-built.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 60ac7265bca7554c1b44e9df57ea9960424a581a29222e0b6f0cc1aa54b37fef
  • MD5 SHA1 SHA512 SSDEEP
windows:4windowsx86

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
300094
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE
PDB paths