Overview

overview

10

Static

static

10

Uni.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Uni.bat

  • Size

    409KB

  • Sample

    240510-hycdjsch73

  • MD5

    f8f7e612c70c0cfb734e0a8b47ecff5a

  • SHA1

    55daed611f6a5d7f3e46b6ad1c1ef125fe7ab37d

  • SHA256

    baa1d7de5d93fade36fa20d98d3c0466198a129bebd17302f5f5d8ae03779bda

  • SHA512

    38300f170b9464098312f36ae2e43d510dfd7ec6508f29fd50dd6dd65c1ba64804e4d341eb31f49b816383e4cb80d8ae1bf4ab3de6829acc0ca4e9148c970233

  • SSDEEP

    6144:zMu9p1kREG60oljWsIgingBbx7SxSphehObnD4xZEzLkf2HOZzkShh1jFJVY/:VpiREGJtsIgith5xKvkf2uZzDPjFc/

Score
10/10
quasarslavespywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

slave

C2

looking-memphis.gl.at.ply.gg:45119

Mutex

$Sxr-xwY9ZOTOHsQiE2cIYc

Attributes
  • encryption_key

    BkqeT44kDiMZNIFpwpqf

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Uni.bat

    • Size

      409KB

    • MD5

      f8f7e612c70c0cfb734e0a8b47ecff5a

    • SHA1

      55daed611f6a5d7f3e46b6ad1c1ef125fe7ab37d

    • SHA256

      baa1d7de5d93fade36fa20d98d3c0466198a129bebd17302f5f5d8ae03779bda

    • SHA512

      38300f170b9464098312f36ae2e43d510dfd7ec6508f29fd50dd6dd65c1ba64804e4d341eb31f49b816383e4cb80d8ae1bf4ab3de6829acc0ca4e9148c970233

    • SSDEEP

      6144:zMu9p1kREG60oljWsIgingBbx7SxSphehObnD4xZEzLkf2HOZzkShh1jFJVY/:VpiREGJtsIgith5xKvkf2uZzDPjFc/

    Score
    10/10
    quasarslavespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks