General

  • Target

    ae04757e6b40020b661be64a699c258a9206117a77545bbad750c676fa0d6a75

  • Size

    259KB

  • Sample

    210916-qt1jksgdbm

  • MD5

    7cd3c3a4ba3221934b5cabb715e91b63

  • SHA1

    fc1ee7e6af2a0a6d6dc1c33206c36a61b14e124b

  • SHA256

    ae04757e6b40020b661be64a699c258a9206117a77545bbad750c676fa0d6a75

  • SHA512

    0bcb8d82138a2f2e77ba8b2bb7a154e2995f7c889dfd1be134a76eae934c6484db642d5b9e18a76d19ec0342cdac79aad2ad806f03cb1e9d106833df3bc35615

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

redline

Botnet

Mix 1592021

C2

93.115.20.139:28978

Extracted

Family

redline

Botnet

33

C2

94.26.248.150:17618

Targets

    • Target

      ae04757e6b40020b661be64a699c258a9206117a77545bbad750c676fa0d6a75

    • Size

      259KB

    • MD5

      7cd3c3a4ba3221934b5cabb715e91b63

    • SHA1

      fc1ee7e6af2a0a6d6dc1c33206c36a61b14e124b

    • SHA256

      ae04757e6b40020b661be64a699c258a9206117a77545bbad750c676fa0d6a75

    • SHA512

      0bcb8d82138a2f2e77ba8b2bb7a154e2995f7c889dfd1be134a76eae934c6484db642d5b9e18a76d19ec0342cdac79aad2ad806f03cb1e9d106833df3bc35615

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • 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.

    • Windows security bypass

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • xmrig

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

    • Async RAT payload

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

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Registry Run Keys / Startup Folder

2
T1060

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

4
T1005

Tasks