Overview

overview

10

Static

static

3

fc2aa23708...18.exe

windows7-x64

1

fc2aa23708...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fc2aa23708ca8bbb8a7ccf43d5217587_JaffaCakes118

  • Size

    802KB

  • Sample

    240420-hjlzfaah73

  • MD5

    fc2aa23708ca8bbb8a7ccf43d5217587

  • SHA1

    7805b6918f792aa47f6d0e4a0272520a7be7835f

  • SHA256

    09302de63f9af9e91a6e8bdcb5336360506d382f58bfeb406597f4716f8bc80b

  • SHA512

    d3be20fb29225d5c8d666f2991043dbe0e3e7d2b9aae7dc244edb9fcc674f0bbc9313d0088f455344f184a0ce1b3e5e776c958174dd9ec98107c1f12740f06db

  • SSDEEP

    12288:M6Zq93RxXt5OBNy7nS0g0sJOgVMkOZLoENsBbkDQrHdIVyK6R:M6w3x9mCpY7hENhKHKV4R

Score
10/10
remcosflexyremcospersistencerat

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

flexyremcos

C2

172.93.164.35:3774

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

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-QUODER

  • 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

      fc2aa23708ca8bbb8a7ccf43d5217587_JaffaCakes118

    • Size

      802KB

    • MD5

      fc2aa23708ca8bbb8a7ccf43d5217587

    • SHA1

      7805b6918f792aa47f6d0e4a0272520a7be7835f

    • SHA256

      09302de63f9af9e91a6e8bdcb5336360506d382f58bfeb406597f4716f8bc80b

    • SHA512

      d3be20fb29225d5c8d666f2991043dbe0e3e7d2b9aae7dc244edb9fcc674f0bbc9313d0088f455344f184a0ce1b3e5e776c958174dd9ec98107c1f12740f06db

    • SSDEEP

      12288:M6Zq93RxXt5OBNy7nS0g0sJOgVMkOZLoENsBbkDQrHdIVyK6R:M6w3x9mCpY7hENhKHKV4R

    Score
    10/10
    remcosflexyremcospersistencerat

    • 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.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Resource Development

Reconnaissance

Tasks