Overview

overview

10

Static

static

3

InternalLoader v2.exe

windows10-2004-x64

10

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General

  • Target

    InternalLoader v2.exe

  • Size

    955KB

  • Sample

    240530-ng33tsgd62

  • MD5

    94f798a6cc5738e8924c9c0b3d2abb1e

  • SHA1

    5714cb7b382dab9977c99c94294561bc42d3166e

  • SHA256

    66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223

  • SHA512

    7b301bddf5d8a3602805754dc995bb4ee88c957b1029e3a17a0ed10d85cc60b1c603a8953a521cae283c39e2ecf69e1253db92cc89dacd46a45d2c72837ce0e4

  • SSDEEP

    24576:duDXTIGaPhEYzUzA0qxUAUBqG8DCRG7F9V5:ADjlabwz9M7WRG59V5

Score
10/10
xenoratdefense_evasionevasionexecutionimpactpersistenceransomwarerattrojan

Malware Config

Extracted

Family

xenorat

C2

23.243.100.240

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    Windows Security

Targets

    • Target

      InternalLoader v2.exe

    • Size

      955KB

    • MD5

      94f798a6cc5738e8924c9c0b3d2abb1e

    • SHA1

      5714cb7b382dab9977c99c94294561bc42d3166e

    • SHA256

      66f635bf805463c4a83b969ac8d4cc563b2feadaea0460dc22c5f53be72a9223

    • SHA512

      7b301bddf5d8a3602805754dc995bb4ee88c957b1029e3a17a0ed10d85cc60b1c603a8953a521cae283c39e2ecf69e1253db92cc89dacd46a45d2c72837ce0e4

    • SSDEEP

      24576:duDXTIGaPhEYzUzA0qxUAUBqG8DCRG7F9V5:ADjlabwz9M7WRG59V5

    Score
    10/10
    xenoratdefense_evasionevasionexecutionimpactpersistenceransomwarerattrojan

    • XenorRat

      XenorRat is a remote access trojan written in C#.

      trojanratxenorat

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

      persistence

    • Stops running service(s)

      evasionexecution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

System Services

1
T1569

Service Execution

1
T1569.002

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Impair Defenses

1
T1562

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Service Stop

1
T1489

Resource Development

Reconnaissance

Tasks