General

  • Target

    76a6004c824f2ad026bb21859e0f05a42346180234ebfc2d8e40729fe9318004

  • Size

    317KB

  • Sample

    211203-sm4zjabhc9

  • MD5

    449655bdaaa60af54f91e10420d2c135

  • SHA1

    a2d563d8df45ae3202cd81c56f830a3aaf5fd53d

  • SHA256

    76a6004c824f2ad026bb21859e0f05a42346180234ebfc2d8e40729fe9318004

  • SHA512

    54b89fe13697b19afee73c5fab67efa0f7602801fe3c3583ec08aa19a9f6ee9ec88068ca0a8affcbdf2ec3a8b28f160a8a99ef2f5d7a3a6c1e987dc6f0cf87f6

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

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

      76a6004c824f2ad026bb21859e0f05a42346180234ebfc2d8e40729fe9318004

    • Size

      317KB

    • MD5

      449655bdaaa60af54f91e10420d2c135

    • SHA1

      a2d563d8df45ae3202cd81c56f830a3aaf5fd53d

    • SHA256

      76a6004c824f2ad026bb21859e0f05a42346180234ebfc2d8e40729fe9318004

    • SHA512

      54b89fe13697b19afee73c5fab67efa0f7602801fe3c3583ec08aa19a9f6ee9ec88068ca0a8affcbdf2ec3a8b28f160a8a99ef2f5d7a3a6c1e987dc6f0cf87f6

    • Arkei

      Arkei is an infostealer written in C++.

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks