General

  • Target

    c5f833508b3a45c97493852f2da4336b68a3aa3048af7bc985a7bd20e429e651

  • Size

    243KB

  • Sample

    210919-lg3e7aeeaj

  • MD5

    1dd5f876af704fd498eebc343349bb8c

  • SHA1

    308f93d279f14af9c4add0cd7a31a3caf0e72fe2

  • SHA256

    c5f833508b3a45c97493852f2da4336b68a3aa3048af7bc985a7bd20e429e651

  • SHA512

    12a0f69910c468a7649301fc376ad6e119b6c28c35657c265105d30c776af31bea040fa7f789e5fe7087bdf44e8c059adccd9b86597a1c84528600740078c681

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

UDP

C2

45.9.20.20:13441

Targets

    • Target

      c5f833508b3a45c97493852f2da4336b68a3aa3048af7bc985a7bd20e429e651

    • Size

      243KB

    • MD5

      1dd5f876af704fd498eebc343349bb8c

    • SHA1

      308f93d279f14af9c4add0cd7a31a3caf0e72fe2

    • SHA256

      c5f833508b3a45c97493852f2da4336b68a3aa3048af7bc985a7bd20e429e651

    • SHA512

      12a0f69910c468a7649301fc376ad6e119b6c28c35657c265105d30c776af31bea040fa7f789e5fe7087bdf44e8c059adccd9b86597a1c84528600740078c681

    • 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.

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

    • 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 cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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 Enterprise v6

Tasks