Overview

overview

10

Static

static

10

serorox.zip

windows10-2004-x64

10

Resubmissions

01-05-2024 20:27

240501-y8n34afh2t 10

01-05-2024 20:26

240501-y736mafg71 10

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General

  • Target

    serorox.zip

  • Size

    15.8MB

  • Sample

    240501-y8n34afh2t

  • MD5

    e27ba230388a4a822fb48d12d3d7a906

  • SHA1

    0d3ec02edbdbbd7e4e615d0663084c14a8e8b7bd

  • SHA256

    cc4ddee264eb2d333ac1b95eb2243f7bc9699398c7f7cadd5cce1e4d7fc72c02

  • SHA512

    d06d16289f1f714283ecd80f3c7cdcf5c90afb6a55df2283987f5791854d2ea55f04bf09a2c5e7ddb2e10cf00cb1eeff5f0fedc6f2ec5590a6e37323a4a99d3e

  • SSDEEP

    393216:TnKgzRmCYe6kexg3P/Lwm00U9+9ge9rMkwHkMfZukCk7k:WCboxg3rwm0N9q9wkOxrI

Score
10/10
agentteslaquasarslavekeyloggerspywarestealertrojan

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    5000

Extracted

Family

quasar

Version

3.1.5

Botnet

Slave

C2

192.168.1.20:4782

Mutex

$Sxr-3vDee7FzoJnhqjuE3n

Attributes
  • encryption_key

    LcVYe5IBs1GiJF6d5bmv

  • install_name

    $srr-powershell.exe

  • log_directory

    Logs

  • reconnect_delay

    1000

  • startup_key

    $srr-mstha

  • subdirectory

    Windows

Targets

    • Target

      serorox.zip

    • Size

      15.8MB

    • MD5

      e27ba230388a4a822fb48d12d3d7a906

    • SHA1

      0d3ec02edbdbbd7e4e615d0663084c14a8e8b7bd

    • SHA256

      cc4ddee264eb2d333ac1b95eb2243f7bc9699398c7f7cadd5cce1e4d7fc72c02

    • SHA512

      d06d16289f1f714283ecd80f3c7cdcf5c90afb6a55df2283987f5791854d2ea55f04bf09a2c5e7ddb2e10cf00cb1eeff5f0fedc6f2ec5590a6e37323a4a99d3e

    • SSDEEP

      393216:TnKgzRmCYe6kexg3P/Lwm00U9+9ge9rMkwHkMfZukCk7k:WCboxg3rwm0N9q9wkOxrI

    Score
    10/10
    agentteslaquasarslavekeyloggerspywarestealertrojan

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

      keyloggertrojanstealerspywareagenttesla

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • AgentTesla payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks