General

  • Target

    3a8d2d0602abd2eaac85cfbfe946ae302bd939a4df7358222b40ec3490ad5d8b

  • Size

    244KB

  • Sample

    210919-1g9ltsfbfj

  • MD5

    ac5c726ffb5cf33db2c098e3a13cc0f6

  • SHA1

    39dfec9b71a86ca5f181b34994057de8246305c3

  • SHA256

    3a8d2d0602abd2eaac85cfbfe946ae302bd939a4df7358222b40ec3490ad5d8b

  • SHA512

    26e2cbc0e5f8bad4006297fe901934d31e6cdf6110dab9098c1fc295228b7c706c0900353a5f2a66ce41e440d6b36981ea0d8b5754242ac73f41a094b884ba88

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

Extracted

Family

redline

Botnet

New777

C2

45.67.231.145:10991

Targets

    • Target

      3a8d2d0602abd2eaac85cfbfe946ae302bd939a4df7358222b40ec3490ad5d8b

    • Size

      244KB

    • MD5

      ac5c726ffb5cf33db2c098e3a13cc0f6

    • SHA1

      39dfec9b71a86ca5f181b34994057de8246305c3

    • SHA256

      3a8d2d0602abd2eaac85cfbfe946ae302bd939a4df7358222b40ec3490ad5d8b

    • SHA512

      26e2cbc0e5f8bad4006297fe901934d31e6cdf6110dab9098c1fc295228b7c706c0900353a5f2a66ce41e440d6b36981ea0d8b5754242ac73f41a094b884ba88

    • 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.

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks