General

  • Target
    f8074a042d946f0290874b97f4b3d429.exe
  • Size 235KB
  • Sample210905-g687tabdek
  • SHA256 42dbfa5efe80e105779d68ff235e542aea125899495f2c7feea11471531238fd
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://fioajfoiarjfoi1.xyz/

  • http://rdukhnihioh2.xyz/

  • http://sdfghjklemm3.xyz/

  • http://eruiopijhgnn4.xyz/

  • http://igbyugfwbwb5.xyz/

  • http://shfuhfuwhhc6.xyz/

  • http://ersyglhjkuij7.xyz/

  • http://ygyguguuju8.store/

  • http://resbkjpokfct9.store/

  • http://sdfygfygu10.store/

  • http://hbibhibihnj11.store/

  • http://vfwlkjhbghg12.store/

  • http://poiuytrcvb13.store/

  • http://xsedfgtbh14.store/

  • http://iknhyghggh15.store/

  • http://wnlonevkiju16.site/

  • http://gfyufuhhihioh17.site/

  • http://nsgiuwrevi18.site/

  • http://oiureveiuv19.site/

  • http://ovrnevnriuen20.site/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • YToobe

C2
  • 77.232.38.196:59743

Extracted

Family
  • redline

Botnet
  • install

C2
  • 185.167.97.37:30904

Extracted

Family
  • raccoon

Botnet
  • fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Targets

    • Target
      f8074a042d946f0290874b97f4b3d429.exe
    • Size 235KB
    • SHA256 42dbfa5efe80e105779d68ff235e542aea125899495f2c7feea11471531238fd
    • MD5 SHA1 SHA512
    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks