Overview

overview

10

Static

static

fd268ac25b...7c.exe

windows7-x64

10

fd268ac25b...7c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fd268ac25b0f2a211b7538d2be175f27833b058f16437a8c2625e7762074db7c

  • Size

    1.1MB

  • Sample

    230110-n6k9bafh62

  • MD5

    992bb973cca802daf8f95c6a0015267b

  • SHA1

    b1fdb6f34f989930ef0b7d8b090f52591ac4d316

  • SHA256

    fd268ac25b0f2a211b7538d2be175f27833b058f16437a8c2625e7762074db7c

  • SHA512

    094b2e0ec3209694201d937f7c25aef8cdbe75144d3a51214e1f7bd99b8e35a240da7ca3a16370c4ddd0660421a8f49ded13f0bdf294d18e2b79866e5faee4f2

  • SSDEEP

    24576:mPskkedT3pe/HfSOuFYZXsdWikf745uo4W18XO:mwy3o/wFCx3zuIWK+

Score
10/10
remcoseric-hostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Eric-Host

C2

craigjonson91211.freedynamicdns.net:2011

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    wee.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-3CS7D1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    qos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      fd268ac25b0f2a211b7538d2be175f27833b058f16437a8c2625e7762074db7c

    • Size

      1.1MB

    • MD5

      992bb973cca802daf8f95c6a0015267b

    • SHA1

      b1fdb6f34f989930ef0b7d8b090f52591ac4d316

    • SHA256

      fd268ac25b0f2a211b7538d2be175f27833b058f16437a8c2625e7762074db7c

    • SHA512

      094b2e0ec3209694201d937f7c25aef8cdbe75144d3a51214e1f7bd99b8e35a240da7ca3a16370c4ddd0660421a8f49ded13f0bdf294d18e2b79866e5faee4f2

    • SSDEEP

      24576:mPskkedT3pe/HfSOuFYZXsdWikf745uo4W18XO:mwy3o/wFCx3zuIWK+

    Score
    10/10
    remcoseric-hostpersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks