Overview

overview

10

Static

static

Remittance.exe

windows7_x64

3

Remittance.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    Remittance.ace

  • Size

    973KB

  • Sample

    220518-n5kamacbgp

  • MD5

    27c3a088297fbb2ecf5a6649082c389e

  • SHA1

    da6e671284937e20d9db8e819fb58a1de63da346

  • SHA256

    401396787f52f61223254223e4e47ac3b44f18285ee00bc8c0afa7b76c60009b

  • SHA512

    d7874093806e7b347f436f4b4d4bcb8d3439c3bdc00904c3d1aa7585f96453cda64a4f080f0c71b30cefcf60cdb4c8dd4396c4cee763b33e97445c3ea422f4da

Score
10/10
remcosremotehostmicrosoftpersistencephishingrat

Malware Config

Extracted

Family

remcos

Version

3.3.2 Pro

Botnet

RemoteHost

C2

elzy.ddns.net:2014

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

    true

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-V3HBZR

  • 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

    notepad;solitaire;

Targets

    • Target

      Remittance.exe

    • Size

      1.1MB

    • MD5

      b000082824d51bda81b046be122a02f7

    • SHA1

      98e81fc7abebbc17198d94625b85f75d7c7011ae

    • SHA256

      d79a3905e74be12a90010d43149399e3217faa91354e0ce4ca083c600e295b38

    • SHA512

      b76b7564b8bcd4714066099ea3660018a760f143dc657c06da401a0ddd3df84858d38858ac5df3af51bb8d7b1cb6ca3d08de6f40ea8361f29c50c2264ebafb04

    Score
    10/10
    remcosremotehostmicrosoftpersistencephishingrat

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Detected potential entity reuse from brand microsoft.

      phishingmicrosoft

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks