General

  • Target

    a57569957dd2a6dd7678257c5d9d6cf2362adaad6e9666a0a8f872dc8aad412e

  • Size

    248KB

  • Sample

    211204-aexldaceb6

  • MD5

    6546925f07c1e9aa63a24e76485d4048

  • SHA1

    55bc7f7e0c83c279b683bd7a92b29da48ea26d5b

  • SHA256

    a57569957dd2a6dd7678257c5d9d6cf2362adaad6e9666a0a8f872dc8aad412e

  • SHA512

    4d02d6d4ee2e4fff37ca8e142310c16d5ed9fa285e542a42f6ba6337b304a3f549019453826de774b583ebe929505d76813f2ac6d304598b66ec224f4abe2b9a

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

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

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

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

star

C2

37.9.13.169:63912

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

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

8b6023dd139bdc34aab99c286fae23d1442b4956

Attributes
  • url4cnc

    http://91.219.236.27/h_electricryptors2

    http://5.181.156.92/h_electricryptors2

    http://91.219.236.207/h_electricryptors2

    http://185.225.19.18/h_electricryptors2

    http://91.219.237.227/h_electricryptors2

    https://t.me/h_electricryptors2

rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://153.92.210.92/lYWcN6H7B1.php

Targets

    • Target

      a57569957dd2a6dd7678257c5d9d6cf2362adaad6e9666a0a8f872dc8aad412e

    • Size

      248KB

    • MD5

      6546925f07c1e9aa63a24e76485d4048

    • SHA1

      55bc7f7e0c83c279b683bd7a92b29da48ea26d5b

    • SHA256

      a57569957dd2a6dd7678257c5d9d6cf2362adaad6e9666a0a8f872dc8aad412e

    • SHA512

      4d02d6d4ee2e4fff37ca8e142310c16d5ed9fa285e542a42f6ba6337b304a3f549019453826de774b583ebe929505d76813f2ac6d304598b66ec224f4abe2b9a

    • Arkei

      Arkei is an infostealer written in C++.

    • 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

    • Arkei Stealer Payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks