Overview

overview

10

Static

static

1

F873635427.vbs

windows7-x64

8

F873635427.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    F873635427.vbs

  • Size

    111KB

  • Sample

    240418-lwp4eahf73

  • MD5

    312fb234c845479a9f3b807d0d641a34

  • SHA1

    8ebcf0ffb96533414e968e35b406b21b486ee3e8

  • SHA256

    d251da958096c3a2e568173eb890990e0ff82086e8daab5c98b5160d56de5a21

  • SHA512

    9775f005c837fb52236ad226673e0da7466ef717a3ff6f369b72a53bc7202ec157aa3fbba5d57ff7c5e5fd5d31d4806dae840c9007d83f8195bea076d7d2145d

  • SSDEEP

    3072:sZEgiBAJgEUPVZU1DHFUGmgURDFBe0tKl9CP4:gE9AJgEUs

Score
10/10
remcosxwormzgratremotehostpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

aprilxrwo8450.duckdns.org:8450

Mutex

qF5e3kU5MtcMqia2

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

remcos

Botnet

RemoteHost

C2

remco8100.duckdns.org:8100

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-G51VNO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      F873635427.vbs

    • Size

      111KB

    • MD5

      312fb234c845479a9f3b807d0d641a34

    • SHA1

      8ebcf0ffb96533414e968e35b406b21b486ee3e8

    • SHA256

      d251da958096c3a2e568173eb890990e0ff82086e8daab5c98b5160d56de5a21

    • SHA512

      9775f005c837fb52236ad226673e0da7466ef717a3ff6f369b72a53bc7202ec157aa3fbba5d57ff7c5e5fd5d31d4806dae840c9007d83f8195bea076d7d2145d

    • SSDEEP

      3072:sZEgiBAJgEUPVZU1DHFUGmgURDFBe0tKl9CP4:gE9AJgEUs

    Score
    10/10
    persistenceremcosxwormzgratremotehostrattrojan

    • Detect Xworm Payload

    • Detect ZGRat V1

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • ZGRat

      ZGRat is remote access trojan written in C#.

      ratzgrat

    • Blocklisted process makes network request

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks