General

  • Target

    A5F4EB3B915BCFDD72CB81B7D89C0C0FD6B190B637DB6.exe

  • Size

    4.5MB

  • Sample

    210817-m1z82f8dxa

  • MD5

    2d3e5a2a2243d788901fb182156f4031

  • SHA1

    acf66cababaeba6d72e72d2962405f41052d79a0

  • SHA256

    a5f4eb3b915bcfdd72cb81b7d89c0c0fd6b190b637db6ffad25604d24985f9e8

  • SHA512

    74287eab6153bb074dc6b5c2f25624b70a4bda2eb54a1071a37a4adf0781646b7ecdccfc86e794ce1d6ceeb75b070f0e8ea78c9642fa67147f3c806f03245888

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

DomAni

C2

ergerr3.top:80

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

171b0ea0beebb33c2d9043b095edfe8ec188b323

Attributes
  • url4cnc

    https://telete.in/fihborntoflyes

rc4.plain
rc4.plain

Targets

    • Target

      A5F4EB3B915BCFDD72CB81B7D89C0C0FD6B190B637DB6.exe

    • Size

      4.5MB

    • MD5

      2d3e5a2a2243d788901fb182156f4031

    • SHA1

      acf66cababaeba6d72e72d2962405f41052d79a0

    • SHA256

      a5f4eb3b915bcfdd72cb81b7d89c0c0fd6b190b637db6ffad25604d24985f9e8

    • SHA512

      74287eab6153bb074dc6b5c2f25624b70a4bda2eb54a1071a37a4adf0781646b7ecdccfc86e794ce1d6ceeb75b070f0e8ea78c9642fa67147f3c806f03245888

    • Modifies Windows Defender Real-time Protection settings

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Raccoon Stealer Payload

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

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

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

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks