General

  • Target

    4bb89740e995ea5239ccd9a4a88c9374ae09e83a2606ead985937fac4deb2c4f

  • Size

    242KB

  • Sample

    210919-mjq1lseecr

  • MD5

    c3a276188e0464f14b014b3f700a4f40

  • SHA1

    e5184e9f3c3dc5fd3290a31e23c51b7a269eced6

  • SHA256

    4bb89740e995ea5239ccd9a4a88c9374ae09e83a2606ead985937fac4deb2c4f

  • SHA512

    ca225b2735abc971c1554670d30851ab7a6f4bd372bc3138c657d45c4067ae985288bda7a3eba6146b9d82c412fcdca307f206adcb53f692adc93bb387701507

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

      4bb89740e995ea5239ccd9a4a88c9374ae09e83a2606ead985937fac4deb2c4f

    • Size

      242KB

    • MD5

      c3a276188e0464f14b014b3f700a4f40

    • SHA1

      e5184e9f3c3dc5fd3290a31e23c51b7a269eced6

    • SHA256

      4bb89740e995ea5239ccd9a4a88c9374ae09e83a2606ead985937fac4deb2c4f

    • SHA512

      ca225b2735abc971c1554670d30851ab7a6f4bd372bc3138c657d45c4067ae985288bda7a3eba6146b9d82c412fcdca307f206adcb53f692adc93bb387701507

    • 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

    • 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