General

  • Target

    7e1b7e5fc0117c228ba6a8c82d7de57b421dc22f31fd05ef5a4f4a85c049361e

  • Size

    202KB

  • Sample

    210921-xg52vschdk

  • MD5

    6018eb8e5c61a36624ea008c99bfaece

  • SHA1

    6988284bc55fc446642f7333582d59e243c67376

  • SHA256

    7e1b7e5fc0117c228ba6a8c82d7de57b421dc22f31fd05ef5a4f4a85c049361e

  • SHA512

    48ba153cde32ba10f30aa0ce35bbbacc599741d8237c024647d645254ca98c3fefe7f8a621d7d561af6ee560dbe72b6f60700318722a48913dc5387134911e1e

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

paladin

C2

188.124.36.242:25802

Extracted

Family

redline

Botnet

D

C2

146.70.35.170:30905

Extracted

Family

vidar

Version

40.9

Botnet

828

C2

https://stacenko668.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target

      7e1b7e5fc0117c228ba6a8c82d7de57b421dc22f31fd05ef5a4f4a85c049361e

    • Size

      202KB

    • MD5

      6018eb8e5c61a36624ea008c99bfaece

    • SHA1

      6988284bc55fc446642f7333582d59e243c67376

    • SHA256

      7e1b7e5fc0117c228ba6a8c82d7de57b421dc22f31fd05ef5a4f4a85c049361e

    • SHA512

      48ba153cde32ba10f30aa0ce35bbbacc599741d8237c024647d645254ca98c3fefe7f8a621d7d561af6ee560dbe72b6f60700318722a48913dc5387134911e1e

    • 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 JS/Nemucod requesting EXE payload 2016-02-01

      suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

    • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    • 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

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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