Overview

overview

10

Static

static

10

v1.txt.exe

windows7-x64

10

v1.txt.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    127s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2023 08:08

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    v1.txt.exe

  • Size

    1.0MB

  • MD5

    8ec0c056b3467ddabfd1d419dba2ab02

  • SHA1

    9589034e86fd6c137a9d3c336bf4d109d02d71a7

  • SHA256

    e89780d28b646c9d08262ce5e98461ccad3bf797848556c711f18de2b4c2b058

  • SHA512

    49ac5c1323301746a5ac7583bed565afafc389622b5874c388ebb213782c6f5712052f04e4e6c94766a94c901b93cc6402c87b887ec5ed9c7c55dae0ccc550f8

  • SSDEEP

    12288:Zk2ftY5kMJDyGouUqg75HVDBvduzTYTTuzikbSNDC/Nplg36up5cd7Ubl:Z/Y5kMJDyGouUqg75HVDBvdcXNplkTl

Score
10/10
quasarop23spywaretrojan

Malware Config

Extracted

Family

quasar

Version

2.7.0.0

Botnet

OP23

C2

vhf.sytes.net:4783

15.235.109.170:4782
Mutex

2vrOj8wCud9msk5z8w

Attributes
  • encryption_key

    ywxbR3BS4B6Rtb7nv9vB

  • install_name

    Venom.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar payload 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\v1.txt.exe
    "C:\Users\Admin\AppData\Local\Temp\v1.txt.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1628

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1628-133-0x0000000000B30000-0x0000000000C40000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/1628-134-0x0000000005BC0000-0x0000000006164000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1628-135-0x0000000005710000-0x00000000057A2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1628-136-0x0000000005700000-0x0000000005710000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1628-137-0x0000000005610000-0x0000000005676000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1628-138-0x0000000006620000-0x0000000006632000-memory.dmp
    Filesize

    72KB

    Download
  • memory/1628-139-0x0000000006A50000-0x0000000006A8C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1628-140-0x00000000071A0000-0x00000000071AA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1628-141-0x0000000005700000-0x0000000005710000-memory.dmp
    Filesize

    64KB

    Download