Overview

overview

10

Static

static

8

Payment Advice.doc

windows7_x64

10

Payment Advice.doc

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Payment Advice.doc

  • Size

    217KB

  • Sample

    210715-np6jy1zhae

  • MD5

    a1bb900ae8003b924f333442c4117a84

  • SHA1

    126cd9e2de926ade2cdb20fb8d2a059b7786fde6

  • SHA256

    9c5912424f920b71a98b0ac032cb3e74ca830dd0c9e9e2d406f4b9ff1f53af80

  • SHA512

    c7dbbc07793a59b038f5376b345aeb9c967f339b36e9242043207a66bc27a6b3046f7d143a61d48ae4ef9423efcff6919d30cfb86e736f16aa74dcf81c812f5e

Score
10/10
remcosjulbuildmacromacro_on_actionpersistenceratxlm

Malware Config

Extracted

Family

remcos

Botnet

JULBUILD

C2

saptransmissions.dvrlists.com:6969

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    JULBUILD

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    JULBUILD-7DBACB

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      Payment Advice.doc

    • Size

      217KB

    • MD5

      a1bb900ae8003b924f333442c4117a84

    • SHA1

      126cd9e2de926ade2cdb20fb8d2a059b7786fde6

    • SHA256

      9c5912424f920b71a98b0ac032cb3e74ca830dd0c9e9e2d406f4b9ff1f53af80

    • SHA512

      c7dbbc07793a59b038f5376b345aeb9c967f339b36e9242043207a66bc27a6b3046f7d143a61d48ae4ef9423efcff6919d30cfb86e736f16aa74dcf81c812f5e

    Score
    10/10
    persistenceremcosjulbuildrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks