Overview

overview

10

Static

static

3

61eabb5f86...18.exe

windows7-x64

10

61eabb5f86...18.exe

windows10-2004-x64

10

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General

  • Target

    61eabb5f86336fe941185bf0a37a8472_JaffaCakes118

  • Size

    538KB

  • Sample

    240521-d87j8agg31

  • MD5

    61eabb5f86336fe941185bf0a37a8472

  • SHA1

    c733162ee7b9c8622d06258f676c846e99689199

  • SHA256

    5bfd4a2a53142c78b5ad8eb5ca2f14bb28fa648b2ce1d2169d837346f2673004

  • SHA512

    b2d458c865ada84666405636c40a70724d433d1bc9bcdfc830ff9b9b05c1ee08cafd2bbb2e59cd8820c0c247bee2dec432493e6aade925c30ea00a6f9b33efdd

  • SSDEEP

    12288:oghbus5MJCyVyV4mqcS0KRBY+gSwQUuuGsTvZv/cDTX:HFu5V7tcUShSl1uGCZv/c/

Score
10/10
quasarvenomratsvhostratrootkitspywarestealertrojan

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

svhost

C2

myconect.ddns.net:6606

Mutex

VNM_MUTEX_ND6PULLW5ZVLwo1nwR

Attributes
  • encryption_key

    yaa63tXY4j55os5llHHd

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      61eabb5f86336fe941185bf0a37a8472_JaffaCakes118

    • Size

      538KB

    • MD5

      61eabb5f86336fe941185bf0a37a8472

    • SHA1

      c733162ee7b9c8622d06258f676c846e99689199

    • SHA256

      5bfd4a2a53142c78b5ad8eb5ca2f14bb28fa648b2ce1d2169d837346f2673004

    • SHA512

      b2d458c865ada84666405636c40a70724d433d1bc9bcdfc830ff9b9b05c1ee08cafd2bbb2e59cd8820c0c247bee2dec432493e6aade925c30ea00a6f9b33efdd

    • SSDEEP

      12288:oghbus5MJCyVyV4mqcS0KRBY+gSwQUuuGsTvZv/cDTX:HFu5V7tcUShSl1uGCZv/c/

    Score
    10/10
    quasarvenomratsvhostratrootkitspywarestealertrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • VenomRAT

      VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

      ratrootkitstealervenomrat

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks