General

  • Target

    4a089b008e89593d11b0a7062c8c9741138af5fb15caf49c218e03f40a8480f6

  • Size

    255KB

  • Sample

    211025-zavcwshebl

  • MD5

    512c1f87b394c80725db7e6338a6078d

  • SHA1

    51f1ece4dc03873ba4ce172a7ab0b6b5a6f382f2

  • SHA256

    4a089b008e89593d11b0a7062c8c9741138af5fb15caf49c218e03f40a8480f6

  • SHA512

    cb7f07c5a60bcab92638c5534972880b575f342011cd469d413d4db15ef76424cb9dcbc1aa1ff8817cd3bf848d3cbcc39efbd93383c7ee0397e02b1d133c3549

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://gejajoo7.top/

http://sysaheu9.top/

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

2.70

C2

185.215.113.45/g4MbvE/index.php

Extracted

Family

vidar

Version

41.5

Botnet

754

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    754

Targets

    • Target

      4a089b008e89593d11b0a7062c8c9741138af5fb15caf49c218e03f40a8480f6

    • Size

      255KB

    • MD5

      512c1f87b394c80725db7e6338a6078d

    • SHA1

      51f1ece4dc03873ba4ce172a7ab0b6b5a6f382f2

    • SHA256

      4a089b008e89593d11b0a7062c8c9741138af5fb15caf49c218e03f40a8480f6

    • SHA512

      cb7f07c5a60bcab92638c5534972880b575f342011cd469d413d4db15ef76424cb9dcbc1aa1ff8817cd3bf848d3cbcc39efbd93383c7ee0397e02b1d133c3549

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Turns off Windows Defender SpyNet reporting

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

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

    • Nirsoft

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • Accesses 2FA software files, possible credential harvesting

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

3
T1089

Modify Registry

3
T1112

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

Collection

Data from Local System

3
T1005

Tasks