Overview

overview

10

Static

static

tmp.exe

windows7-x64

10

tmp.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    tmp

  • Size

    934KB

  • Sample

    221031-rcjp6sbbb3

  • MD5

    9bd821ba65b89710d2d81c7a7b98ab5d

  • SHA1

    cbdc6446729b60601f7c288bc063cd9cc216f925

  • SHA256

    99d28200203baac82a7253419526711f38d7ecb1a6098f243c8656adc72ef6d8

  • SHA512

    30ad861b9015a201cec5e6a88ce6cba3e03459f1c709ef50c89505de96e5760e7c1647dc8382751fffc3c9ed843b539114b52051e8d564c6fde7fad08436c5a4

  • SSDEEP

    24576:xcCEmyVj6jI43L84UytM00todtTQxRjU/oe:xcCRI6jIepUy+ZtmdGR

Score
10/10
remcosxppersistencerat

Malware Config

Extracted

Family

remcos

Botnet

XP

C2

xpremcuz300622.ddns.net:3542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    oos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Remcos-MMP2I7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    kkl

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      tmp

    • Size

      934KB

    • MD5

      9bd821ba65b89710d2d81c7a7b98ab5d

    • SHA1

      cbdc6446729b60601f7c288bc063cd9cc216f925

    • SHA256

      99d28200203baac82a7253419526711f38d7ecb1a6098f243c8656adc72ef6d8

    • SHA512

      30ad861b9015a201cec5e6a88ce6cba3e03459f1c709ef50c89505de96e5760e7c1647dc8382751fffc3c9ed843b539114b52051e8d564c6fde7fad08436c5a4

    • SSDEEP

      24576:xcCEmyVj6jI43L84UytM00todtTQxRjU/oe:xcCRI6jIepUy+ZtmdGR

    Score
    10/10
    remcosxppersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks