Overview

overview

10

Static

static

10

2b128ab472...d7.exe

windows7-x64

10

2b128ab472...d7.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7.exe
  • Size 527KB
  • Sample230707-2ertnsdb31
  • SHA256 2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.0

Botnet

  • Office04

C2

  • 78.173.187.50:4782

Mutex

  • 6be569a3-de63-4afe-821f-a59ae80a0a02

Attributes
  • encryption_key

    E33B6D4D8E5F4B8C8F2D0E3745DBCD85B3A2B564

  • install_name

    Java.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java Updater

  • subdirectory

    Java Update

Signatures

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

    Checks for missing Authenticode signature.

File Explorer

  • 2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7.exe
    .exe 527KB

2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7
  • MD5 SHA1 SHA512 SSDEEP
windowsx86

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
Major OS version
Entry point
517982
Magic Number
267
Subsystem
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