General

  • Target

    de91f84e9b1a869d1e7890e9bf4d8c3c.exe

  • Size

    1.5MB

  • Sample

    210812-f4wh1w23rs

  • MD5

    de91f84e9b1a869d1e7890e9bf4d8c3c

  • SHA1

    10d78089cebab23bf04a9d1502f078077c344176

  • SHA256

    2cb7b724ba108cfab0f07348997e32c7c531084ffd2c9326e6ba51ad8f4ed656

  • SHA512

    e4bec86e99b7052951a5928ffa9c0c4d30ef085508638748caca41f9e286e4d4c234172303879883966b0d89d9a93a982ce6a7b48e4017ff6b30e25e7a99ca5a

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

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

Extracted

Family

vidar

Version

40

Botnet

916

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    916

Extracted

Family

redline

Botnet

7new

C2

sytareliar.xyz:80

yabelesatg.xyz:80

ceneimarck.xyz:80

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

vidar

Version

40

Botnet

937

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Family

redline

Botnet

11_08_r

C2

zertypelil.xyz:80

Targets

    • Target

      de91f84e9b1a869d1e7890e9bf4d8c3c.exe

    • Size

      1.5MB

    • MD5

      de91f84e9b1a869d1e7890e9bf4d8c3c

    • SHA1

      10d78089cebab23bf04a9d1502f078077c344176

    • SHA256

      2cb7b724ba108cfab0f07348997e32c7c531084ffd2c9326e6ba51ad8f4ed656

    • SHA512

      e4bec86e99b7052951a5928ffa9c0c4d30ef085508638748caca41f9e286e4d4c234172303879883966b0d89d9a93a982ce6a7b48e4017ff6b30e25e7a99ca5a

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Danabot Loader Component

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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 Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

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

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

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

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks