General

  • Target
    16dfcc1a6fe5886964156777a09da514.exe
  • Size 117KB
  • Sample210925-z7bxtadhcl
  • SHA256 5ed39b2c2b58db059b65bd11c6783a1c65b9836143f2c4dfbde502ff685598db
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://naghenrietti1.top/

  • http://kimballiett2.top/

  • http://xadriettany3.top/

  • http://jebeccallis4.top/

  • http://nityanneron5.top/

  • http://umayaniela6.top/

  • http://lynettaram7.top/

  • http://sadineyalas8.top/

  • http://geenaldencia9.top/

  • http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • qq

C2
  • 135.181.142.223:30397

Extracted

Family
  • raccoon

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family
  • raccoon

Botnet
  • f6d7183c9e82d2a9b81e6c0608450aa66cefb51f

Attributes
  • url4cnc

    https://t.me/justoprostohello

rc4.plain
rc4.plain

Targets

    • Target
      16dfcc1a6fe5886964156777a09da514.exe
    • Size 117KB
    • SHA256 5ed39b2c2b58db059b65bd11c6783a1c65b9836143f2c4dfbde502ff685598db
    • MD5 SHA1 SHA512
    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • BitRAT Payload

    • 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 Observed Malicious SSL Cert (BitRAT CnC)

      suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

      suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    • 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