Overview

overview

10

Static

static

10

febb47ebfc...18.exe

windows7-x64

10

febb47ebfc...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    febb47ebfc843b8152c26ab3382ea059_JaffaCakes118

  • Size

    1.1MB

  • Sample

    240421-h1prnadh44

  • MD5

    febb47ebfc843b8152c26ab3382ea059

  • SHA1

    ae01779d928f053c997e536b073f2ee4ec034b0d

  • SHA256

    d7511047d6d0127108e1cf026c3a8c7d5dbb860d62722371d4c3f65c3c1dc920

  • SHA512

    011d8a03b98a329f856c5b759eaa8e91cbfc930b25ba66439e2444852912e9c445d9dc4d5487965cf96a3e27fac4054bd766d197400dc82fec3e0ed1d451e5db

  • SSDEEP

    24576:dKpPp9AR95ykxiTXesSdJwjG1XaD1dv2delN/KHoaHEnj/a0hR9:6PpKRykw8dCjEAdv2Y+e/tH

Score
10/10
neshtaremcosremotehostevasionpersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

RemoteHost

C2

45.137.22.101:5888

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

    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-3RVIAE

  • 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

      febb47ebfc843b8152c26ab3382ea059_JaffaCakes118

    • Size

      1.1MB

    • MD5

      febb47ebfc843b8152c26ab3382ea059

    • SHA1

      ae01779d928f053c997e536b073f2ee4ec034b0d

    • SHA256

      d7511047d6d0127108e1cf026c3a8c7d5dbb860d62722371d4c3f65c3c1dc920

    • SHA512

      011d8a03b98a329f856c5b759eaa8e91cbfc930b25ba66439e2444852912e9c445d9dc4d5487965cf96a3e27fac4054bd766d197400dc82fec3e0ed1d451e5db

    • SSDEEP

      24576:dKpPp9AR95ykxiTXesSdJwjG1XaD1dv2delN/KHoaHEnj/a0hR9:6PpKRykw8dCjEAdv2Y+e/tH

    Score
    10/10
    neshtaremcosremotehostevasionpersistenceratspywarestealer

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • Remcos

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

      ratremcos

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Uses the VBS compiler for execution

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

1
T1064

Scheduled Task/Job

1
T1053

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Scripting

1
T1064

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks