General

  • Target

    4cf30b31cc33da057ccb53a20c0a24be8f62dea31f04f77cb65b931120c82036

  • Size

    248KB

  • Sample

    211204-ezjmgadbh8

  • MD5

    e307fe0a3c486d12b1978f3f9c5f1662

  • SHA1

    8d3ce9de0c1ff9d00f78936a4d144e5183834807

  • SHA256

    4cf30b31cc33da057ccb53a20c0a24be8f62dea31f04f77cb65b931120c82036

  • SHA512

    b62b76e88cb73a143a273ab771c1a3b9ad4c2f3bbd1cd4e8226f4ef21190b419dad604c23ec729caf4b1f0dd91da7d882de7588cce4d302451a5766cea008bdb

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

remcos

Version

3.3.2 Pro

Botnet

J3J3-US

C2

kent0mushinec0n3t.casacam.net:32095

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Pin.exe

  • copy_folder

    J3J3-US

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    J3J3-US

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-TFIQE4

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    J3J3-US

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

b620be4c85b4051a92040003edbc322be4eb082d

Attributes
  • url4cnc

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Targets

    • Target

      4cf30b31cc33da057ccb53a20c0a24be8f62dea31f04f77cb65b931120c82036

    • Size

      248KB

    • MD5

      e307fe0a3c486d12b1978f3f9c5f1662

    • SHA1

      8d3ce9de0c1ff9d00f78936a4d144e5183834807

    • SHA256

      4cf30b31cc33da057ccb53a20c0a24be8f62dea31f04f77cb65b931120c82036

    • SHA512

      b62b76e88cb73a143a273ab771c1a3b9ad4c2f3bbd1cd4e8226f4ef21190b419dad604c23ec729caf4b1f0dd91da7d882de7588cce4d302451a5766cea008bdb

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • Remcos

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks