Overview

overview

10

Static

static

1

330891.exe

windows7-x64

10

330891.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    330891

  • Size

    1.1MB

  • Sample

    230327-h52xsaec71

  • MD5

    f66eceae94bbb47170aca7f97084fc93

  • SHA1

    56722d53fa9cef9d4aba40c6d08b61a6d26abfdb

  • SHA256

    c2c8cceb0ee59b816db4cc7449e311ed3abeb2dd376cab676bd0c4d8c10781f7

  • SHA512

    582ac28169e0b18fad7e9df72e25409fc922579188279c1d8de5d6ad4b94a51f6eaa47d8f297c0385d04ffb2ae52d49680eb861132a28cb43fccddc41883a376

  • SSDEEP

    24576:vA5YmDTWB1VeFzs/dCaVLpqaQ96eQoBAM8ljEQHUwUp5C:Y5rTWBq6olaY6FoBAqQv

Score
10/10
remcosxpcollectionpersistenceratspywarestealer

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

      330891

    • Size

      1.1MB

    • MD5

      f66eceae94bbb47170aca7f97084fc93

    • SHA1

      56722d53fa9cef9d4aba40c6d08b61a6d26abfdb

    • SHA256

      c2c8cceb0ee59b816db4cc7449e311ed3abeb2dd376cab676bd0c4d8c10781f7

    • SHA512

      582ac28169e0b18fad7e9df72e25409fc922579188279c1d8de5d6ad4b94a51f6eaa47d8f297c0385d04ffb2ae52d49680eb861132a28cb43fccddc41883a376

    • SSDEEP

      24576:vA5YmDTWB1VeFzs/dCaVLpqaQ96eQoBAM8ljEQHUwUp5C:Y5rTWBq6olaY6FoBAqQv

    Score
    10/10
    remcosxpcollectionpersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • 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

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks