Overview

overview

10

Static

static

1

DHL-DELIVERY.xls

windows7-x64

10

DHL-DELIVERY.xls

windows10-2004-x64

1

Sharing

Copy URL
Twitter E-mail

General

  • Target

    DHL-DELIVERY.xls

  • Size

    1.1MB

  • Sample

    230325-rjed2afb6t

  • MD5

    be84f1e6413ba0bb6ec49d35823d1595

  • SHA1

    b9553cf3e10c59317911b8696a395ff8b25313e5

  • SHA256

    c8d3e42842b7f455b7b98cfee659d11d43c66fce89799f40f38b1b51a7405cad

  • SHA512

    78df095f3856846ba80f67397d75b417011c711ce3ba46f2d466a08799c08f84726496551eeb7f63eff7cc04d497f4b4b8305bee86b0fc9c8eba7240d5b5fff6

  • SSDEEP

    24576:GLKJWQmmav30x6+MXUu9/VSP+MXUu9L3bVh+MXUu9c3bV5zkkz4C/V:GLKYQmmQ30w+MXV9tA+MXV9L3bVh+MXK

Score
10/10
remcosfirst-sendpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

First-Send

C2

top.not4abuse1.xyz:1558

sub.not4abuse1.xyz:1558
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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    rmcs

  • mouse_option

    false

  • mutex

    Rmc-4RNJ4J

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    20

  • startup_value

    Remcos

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    Mail;Payment;Bank

Targets

    • Target

      DHL-DELIVERY.xls

    • Size

      1.1MB

    • MD5

      be84f1e6413ba0bb6ec49d35823d1595

    • SHA1

      b9553cf3e10c59317911b8696a395ff8b25313e5

    • SHA256

      c8d3e42842b7f455b7b98cfee659d11d43c66fce89799f40f38b1b51a7405cad

    • SHA512

      78df095f3856846ba80f67397d75b417011c711ce3ba46f2d466a08799c08f84726496551eeb7f63eff7cc04d497f4b4b8305bee86b0fc9c8eba7240d5b5fff6

    • SSDEEP

      24576:GLKJWQmmav30x6+MXUu9/VSP+MXUu9L3bVh+MXUu9c3bV5zkkz4C/V:GLKYQmmQ30w+MXV9tA+MXV9L3bVh+MXK

    Score
    10/10
    remcosfirst-sendpersistencerat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

3
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks