Overview

overview

10

Static

static

7

5c843791f7...18.exe

windows7-x64

10

5c843791f7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5c843791f7a693c418b162ccd993b997_JaffaCakes118

  • Size

    6.0MB

  • Sample

    240331-yh272aba43

  • MD5

    5c843791f7a693c418b162ccd993b997

  • SHA1

    8d6770ecadac15c9665dcabe2e69b63d62e30a18

  • SHA256

    ccd4b2ba4cea6ac4ea648e58cbe9ca9cd48f512a1df7414cad6c9ff602c6c688

  • SHA512

    6c773e7c57c9d73fc26b88af8b7a4f5491a28eb3211fbc55b3597f660cc424790b44f054ef131b535509aea079a255e3af58240d65d6e29390be7b7b95ac468e

  • SSDEEP

    196608:6vzeNVog53HRVu7vHDpS1IqBRU7kCs2q:8a53xVu7vHhqBa4Cs

Score
10/10
quasarchromeagilenetevasionspywarethemidatrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Chrome

C2

live.nodenet.ml:8863

Mutex

754ce6d6-f75b-4c6f-964c-3996e749369e

Attributes
  • encryption_key

    8F8DE0B9E0A9CA156684061043456EC2CF7D0A6D

  • install_name

    chrome.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    System

  • subdirectory

    chrome

Targets

    • Target

      5c843791f7a693c418b162ccd993b997_JaffaCakes118

    • Size

      6.0MB

    • MD5

      5c843791f7a693c418b162ccd993b997

    • SHA1

      8d6770ecadac15c9665dcabe2e69b63d62e30a18

    • SHA256

      ccd4b2ba4cea6ac4ea648e58cbe9ca9cd48f512a1df7414cad6c9ff602c6c688

    • SHA512

      6c773e7c57c9d73fc26b88af8b7a4f5491a28eb3211fbc55b3597f660cc424790b44f054ef131b535509aea079a255e3af58240d65d6e29390be7b7b95ac468e

    • SSDEEP

      196608:6vzeNVog53HRVu7vHDpS1IqBRU7kCs2q:8a53xVu7vHhqBa4Cs

    Score
    10/10
    quasarchromeevasionspywarethemidatrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks