Overview

overview

10

Static

static

3

XWormLoade...64.exe

windows10-1703-x64

10

XWormLoade...64.exe

windows10-2004-x64

10

XWormLoade...64.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    XWormLoader 5.2 x64.exe

  • Size

    329KB

  • Sample

    240503-wdcepsfa43

  • MD5

    893ee266eef0ca3b11bdb859839df69d

  • SHA1

    1d2eeab0c7ae7e9ec180017d8092f23abbea6d2b

  • SHA256

    40c49ccfb00bd4ca02d587af4f03823650dde39b5fe31dcde8bbdc3fa508bea3

  • SHA512

    694843c573f2aeec876eaa0ef329268553cde23cc4fdced9371041c3df097eec00b44894423ee00a7c9a1444f0bb17a089cb48c5430dfdaafa1265e5cd1b85f5

  • SSDEEP

    6144:HfPtIkJwV7LtIgxfUFdLdassJFxgXS+vK5Qav9qm:HflXJwFmmUFdLs9H51

Score
10/10
quasarslavepersistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SLAVE

C2

even-lemon.gl.at.ply.gg:33587

Mutex

$Sxr-3vDee7FzoJnhqjuE3n

Attributes
  • encryption_key

    AqYe7s30CMq7SVM0oxKR

  • install_name

    Discord.exe

  • log_directory

    Logs

  • reconnect_delay

    1000

  • startup_key

    Discord

  • subdirectory

    Discord

Targets

    • Target

      XWormLoader 5.2 x64.exe

    • Size

      329KB

    • MD5

      893ee266eef0ca3b11bdb859839df69d

    • SHA1

      1d2eeab0c7ae7e9ec180017d8092f23abbea6d2b

    • SHA256

      40c49ccfb00bd4ca02d587af4f03823650dde39b5fe31dcde8bbdc3fa508bea3

    • SHA512

      694843c573f2aeec876eaa0ef329268553cde23cc4fdced9371041c3df097eec00b44894423ee00a7c9a1444f0bb17a089cb48c5430dfdaafa1265e5cd1b85f5

    • SSDEEP

      6144:HfPtIkJwV7LtIgxfUFdLdassJFxgXS+vK5Qav9qm:HflXJwFmmUFdLs9H51

    Score
    10/10
    quasarslavespywaretrojanpersistence

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Sets service image path in registry

      persistence

    • 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

    • 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

    behavioral1behavioral2behavioral3

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks