General

  • Target

    700867B5FA6090F82471905C08E3290E.exe

  • Size

    3.9MB

  • Sample

    210821-8d1cyvnqgx

  • MD5

    700867b5fa6090f82471905c08e3290e

  • SHA1

    dccf44baea80b22d047e5995948e213b98bb19b2

  • SHA256

    ba0da6a3639ca5192cc50b70f1b9e5bb86be36a53a8b1cfacf3f5f35d2ab5c0b

  • SHA512

    26c4b81a2dc91dc310c3c747a8304991de8c6a1e8c79fa6313222301c4d178a88b3eb73d7046001df914da390eb88bc1eff827322dd0cf26a2706464548059ec

Malware Config

Extracted

Family

redline

Botnet

pab3

C2

185.215.113.15:61506

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

vidar

Version

40.1

Botnet

937

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    937

Targets

    • Target

      700867B5FA6090F82471905C08E3290E.exe

    • Size

      3.9MB

    • MD5

      700867b5fa6090f82471905c08e3290e

    • SHA1

      dccf44baea80b22d047e5995948e213b98bb19b2

    • SHA256

      ba0da6a3639ca5192cc50b70f1b9e5bb86be36a53a8b1cfacf3f5f35d2ab5c0b

    • SHA512

      26c4b81a2dc91dc310c3c747a8304991de8c6a1e8c79fa6313222301c4d178a88b3eb73d7046001df914da390eb88bc1eff827322dd0cf26a2706464548059ec

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • 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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Command and Control

Web Service

1
T1102

Tasks