Overview

overview

10

Static

static

10

Viber.exe

windows7-x64

10

Viber.exe

windows10-1703-x64

10

Viber.exe

windows10-2004-x64

10

Viber.exe

windows11-21h2-x64

10

Viber.exe

ubuntu-18.04-amd64

Viber.exe

debian-9-armhf

Viber.exe

debian-9-mips

Viber.exe

debian-9-mipsel

Resubmissions

02/06/2024, 02:14

240602-cn2b2afh8210

02/06/2024, 02:13

240602-cnmtmsfh6410

Sharing

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General

  • Target
    Viber.exe
  • Size 3.3MB
  • Sample240602-cnmtmsfh64
  • SHA256 2ab4ac728381ffef7b917c6e2f9fd45cdbb753238552484b33990d101f90105d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 192.168.100.4:4782

Mutex

  • ff281bf3-1641-40e1-b845-186b77f35b47

Attributes
  • encryption_key

    F8B799D52937CC435CCEC057E69F8914153CFD83

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

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

    Checks for missing Authenticode signature.

File Explorer

  • Viber.exe
    .exe 3.3MB

Viber.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 2ab4ac728381ffef7b917c6e2f9fd45cdbb753238552484b33990d101f90105d
  • MD5 SHA1 SHA512 SSDEEP
windows:4windowsx86arch:x86

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
3269630
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