Overview

overview

10

Static

static

1

108f91d9ed...c4.exe

windows7-x64

8

108f91d9ed...c4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe

  • Size

    929KB

  • Sample

    240522-vhx2jahg73

  • MD5

    c5a8d5c579b01dde6496d426425c9e64

  • SHA1

    2f66b4af4ae637fecda1d2a01dfc407137447722

  • SHA256

    108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4

  • SHA512

    c327fa7f319186880d834ec5ee57009b205511db0486ccbb6da2fdb5eed416f7f82564381bdfadce19de27bb15fb2116ebe3ab98c27d425e9f876ecf79113dbb

  • SSDEEP

    24576:4qi0xXW+9UgrA7TEZEDPpsuNFMAvKKyoZ8y7IC:Ri037rOoZ6BsuPM0KBoZ8yMC

Score
10/10
remcosremotehostexecutionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.216.70.120:2427

Attributes
  • audio_folder

    MicRecords

  • 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

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FSXSJ2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe

    • Size

      929KB

    • MD5

      c5a8d5c579b01dde6496d426425c9e64

    • SHA1

      2f66b4af4ae637fecda1d2a01dfc407137447722

    • SHA256

      108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4

    • SHA512

      c327fa7f319186880d834ec5ee57009b205511db0486ccbb6da2fdb5eed416f7f82564381bdfadce19de27bb15fb2116ebe3ab98c27d425e9f876ecf79113dbb

    • SSDEEP

      24576:4qi0xXW+9UgrA7TEZEDPpsuNFMAvKKyoZ8y7IC:Ri037rOoZ6BsuPM0KBoZ8yMC

    Score
    10/10
    executionremcosremotehostratspywarestealer

    • Remcos

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

      ratremcos

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks