General

  • Target

    ecb74458ed70a38bf1f03ca20e870472f716b875229c6a6e477ad5b8fb7b627f

  • Size

    214KB

  • Sample

    210917-sq9desagbj

  • MD5

    73e6ad1687be24d624b4ad1659158675

  • SHA1

    29dc73cc2c76add9b0fb30d7df0f89c48793661a

  • SHA256

    ecb74458ed70a38bf1f03ca20e870472f716b875229c6a6e477ad5b8fb7b627f

  • SHA512

    33518d8c0c5706b780deff7186d011e9e847d47c94a35c0458750c8e419d2f648ab122ea50ee404bfbe18c9d33b72c18942438536bfb950c5c1fdfd2cbb8796a

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://venerynnet1.top/

http://kevonahira2.top/

http://vegangelist3.top/

http://kingriffaele4.top/

http://arakeishant5.top/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

40.6

Botnet

1015

C2

https://dimonbk83.tumblr.com/

Attributes
  • profile_id

    1015

Targets

    • Target

      ecb74458ed70a38bf1f03ca20e870472f716b875229c6a6e477ad5b8fb7b627f

    • Size

      214KB

    • MD5

      73e6ad1687be24d624b4ad1659158675

    • SHA1

      29dc73cc2c76add9b0fb30d7df0f89c48793661a

    • SHA256

      ecb74458ed70a38bf1f03ca20e870472f716b875229c6a6e477ad5b8fb7b627f

    • SHA512

      33518d8c0c5706b780deff7186d011e9e847d47c94a35c0458750c8e419d2f648ab122ea50ee404bfbe18c9d33b72c18942438536bfb950c5c1fdfd2cbb8796a

    • 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.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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 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

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • Vidar Stealer

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
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

4
T1005

Tasks