Resubmissions

13-08-2021 20:44

210813-ysrz4wznb2 10

13-08-2021 18:11

210813-xew4hd2n4e 10

General

  • Target

    0B6B2968E8F090B22BC47ABAB70C4DD0.exe

  • Size

    5.7MB

  • Sample

    210813-ysrz4wznb2

  • MD5

    0b6b2968e8f090b22bc47abab70c4dd0

  • SHA1

    216f0ada991deb26c4607dd142ea5f0176484cc0

  • SHA256

    cf8a60b5e39660a02d37d4d5f1d28e392427c1da05142d4a651cd1c267d07cc1

  • SHA512

    8598904d81f4ee2a31e9c3a9e2634b69b1a2cd61f92f679c2fa52ee302eef1524045adfd4fb3f5176218c5a53ace6263ac8a1c19952a9083b3339484e0468037

Malware Config

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

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

raccoon

Botnet

93d3ccba4a3cbd5e268873fc1760b2335272e198

Attributes
  • url4cnc

    https://telete.in/opa4kiprivatem

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

40

Botnet

916

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    916

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      0B6B2968E8F090B22BC47ABAB70C4DD0.exe

    • Size

      5.7MB

    • MD5

      0b6b2968e8f090b22bc47abab70c4dd0

    • SHA1

      216f0ada991deb26c4607dd142ea5f0176484cc0

    • SHA256

      cf8a60b5e39660a02d37d4d5f1d28e392427c1da05142d4a651cd1c267d07cc1

    • SHA512

      8598904d81f4ee2a31e9c3a9e2634b69b1a2cd61f92f679c2fa52ee302eef1524045adfd4fb3f5176218c5a53ace6263ac8a1c19952a9083b3339484e0468037

    • 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.

    • Process spawned unexpected child process

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

    • 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

    • 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 GCleaner Downloader Activity M1

      suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

      suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

    • 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)

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks