Overview

overview

10

Static

static

3

f78e8fdb5c...18.exe

windows7-x64

10

f78e8fdb5c...18.exe

windows10-2004-x64

Sharing

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General

  • Target

    f78e8fdb5c76c784818c1ea7ba8217cd_JaffaCakes118

  • Size

    602KB

  • Sample

    240926-e2bpmsxdpn

  • MD5

    f78e8fdb5c76c784818c1ea7ba8217cd

  • SHA1

    9a3ca4ab923d8b93b49f5d46c6b449845ca94c6d

  • SHA256

    0e0a586e4c7a3d6508de4cffe0c78050c01dda128441853127ef10e1e3c7e25c

  • SHA512

    9fc70809bac9189e693af1ccd10f35af84fe295b048ed609262a90bf071157b0a23ff2672c57f424fbcd56fc816c1400b6a9a09cd30e12619d785518151d62b3

  • SSDEEP

    12288:hmBU27je2sGbV7LsAlhgLTj9BBnWobokcoyhUvqA2i:kBUYje21R0b9BBnWooXhQqAt

Score
10/10
quasarvenomratwindows securitydiscoveryevasionpersistenceratrootkitspywarestealertrojan

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

windows security

C2

vilvaraj-32652.portmap.io:32652

Mutex

VNM_MUTEX_XaCO2YtLAsadylDHBP

Attributes
  • encryption_key

    eKgGUbCubcSIafuOAN5V

  • install_name

    windows security.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    windows security

  • subdirectory

    SubDir

Targets

    • Target

      f78e8fdb5c76c784818c1ea7ba8217cd_JaffaCakes118

    • Size

      602KB

    • MD5

      f78e8fdb5c76c784818c1ea7ba8217cd

    • SHA1

      9a3ca4ab923d8b93b49f5d46c6b449845ca94c6d

    • SHA256

      0e0a586e4c7a3d6508de4cffe0c78050c01dda128441853127ef10e1e3c7e25c

    • SHA512

      9fc70809bac9189e693af1ccd10f35af84fe295b048ed609262a90bf071157b0a23ff2672c57f424fbcd56fc816c1400b6a9a09cd30e12619d785518151d62b3

    • SSDEEP

      12288:hmBU27je2sGbV7LsAlhgLTj9BBnWobokcoyhUvqA2i:kBUYje21R0b9BBnWooXhQqAt

    Score
    10/10
    quasarvenomratwindows securitydiscoveryevasionpersistenceratrootkitspywarestealertrojan

    • Contains code to disable Windows Defender

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

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

3
T1112

Credential Access

Discovery

Remote System Discovery

1
T1018

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks