Overview

overview

10

Static

static

3

8aa12cb7ca...18.exe

windows7-x64

10

8aa12cb7ca...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8aa12cb7cad072737aa9541b636a68bb_JaffaCakes118

  • Size

    2.2MB

  • Sample

    240601-q2pgaadg81

  • MD5

    8aa12cb7cad072737aa9541b636a68bb

  • SHA1

    45b5e9bfda12f5de1338ca330b08132317684737

  • SHA256

    12415ec74ab9a1facbbda22b5618d4aaed954a880f7db45406060f2f252a015f

  • SHA512

    fca92073ee608b8233fa26079a5f55b5b4b118a48029b943987037cea7302806eb2bb601f8ff5e3715e3d46ca5f27941667c241148314b194eedfc2dd7bb96c8

  • SSDEEP

    49152:gz9oY5v/t14EmN0v8X4NbyhXers4a5ppHdKoCgzSZp6UzsGre245snxNX99AeP:KB5Hf4EmN0UXvia5vHcDgzSfB7iT0x

Score
10/10
quasaroffice04spywaretrojanvmprotect

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

31.200.226.140:4782

Mutex

QSR_MUTEX_2PSnv6ikiCGVKIYz02

Attributes
  • encryption_key

    YGysf4cKdIIApRvwDlWm

  • install_name

    svchot.exe

  • log_directory

    Logss

  • reconnect_delay

    3000

  • startup_key

    Microsoft Update

  • subdirectory

    SubDir

Targets

    • Target

      8aa12cb7cad072737aa9541b636a68bb_JaffaCakes118

    • Size

      2.2MB

    • MD5

      8aa12cb7cad072737aa9541b636a68bb

    • SHA1

      45b5e9bfda12f5de1338ca330b08132317684737

    • SHA256

      12415ec74ab9a1facbbda22b5618d4aaed954a880f7db45406060f2f252a015f

    • SHA512

      fca92073ee608b8233fa26079a5f55b5b4b118a48029b943987037cea7302806eb2bb601f8ff5e3715e3d46ca5f27941667c241148314b194eedfc2dd7bb96c8

    • SSDEEP

      49152:gz9oY5v/t14EmN0v8X4NbyhXers4a5ppHdKoCgzSZp6UzsGre245snxNX99AeP:KB5Hf4EmN0UXvia5vHcDgzSfB7iT0x

    Score
    10/10
    quasaroffice04spywaretrojanvmprotect

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

      vmprotect

    • 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 NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks