Overview

overview

10

Static

static

7

8675a0ed2e...b2.exe

windows7_x64

10

8675a0ed2e...b2.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    8675a0ed2edce1803ae5f96d03dfa03a77c34175e11849ce2cd03f599d82fab2

  • Size

    1.3MB

  • Sample

    220708-kmlh7ahggp

  • MD5

    665f76fdb041536c8352e56b941371c6

  • SHA1

    4aa01474c068e39876db57d470986609510ae252

  • SHA256

    8675a0ed2edce1803ae5f96d03dfa03a77c34175e11849ce2cd03f599d82fab2

  • SHA512

    ed9b18711fcd5c486adb63ba512c9e63940fae6bfcd1bb36aad077bbd8596d28bc0c49ac065521d33e3d0c752cfc4e39c52488787a3e18e43f33e23f4692aec2

Score
10/10
quasarjaxxevasionspywarethemidatrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

jaxx

C2

37.252.15.153:4782

Mutex

26dddf54-58db-4e3b-b0ad-705c2fae2136

Attributes
  • encryption_key

    718C4C0AB5E0031DE1680A4C058AB14F833F009F

  • install_name

    dentis.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    lsass System

  • subdirectory

    Allmade

Targets

    • Target

      8675a0ed2edce1803ae5f96d03dfa03a77c34175e11849ce2cd03f599d82fab2

    • Size

      1.3MB

    • MD5

      665f76fdb041536c8352e56b941371c6

    • SHA1

      4aa01474c068e39876db57d470986609510ae252

    • SHA256

      8675a0ed2edce1803ae5f96d03dfa03a77c34175e11849ce2cd03f599d82fab2

    • SHA512

      ed9b18711fcd5c486adb63ba512c9e63940fae6bfcd1bb36aad077bbd8596d28bc0c49ac065521d33e3d0c752cfc4e39c52488787a3e18e43f33e23f4692aec2

    Score
    10/10
    quasarjaxxevasionspywarethemidatrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

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

      evasion

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • 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 v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks