General

  • Target

    894e61c9670a43c03eae56cb8a54371c.exe

  • Size

    243KB

  • Sample

    210919-tl51waeghp

  • MD5

    894e61c9670a43c03eae56cb8a54371c

  • SHA1

    d57381d64c59c6c2457e4882c554297599a7c919

  • SHA256

    16ea3c8232c0e41dd102a54e70a116f58b73c778390f563301f3d3f1685cc156

  • SHA512

    cb3732e9bc267671ef72ed12de18fb759c9d265456f12766253250c12d4399aa24f8cbf4526a4e6ca020e4c22ef71ab3816547434ed9424e43e1fc0b01736857

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

installEXE

C2

146.70.35.170:30905

Extracted

Family

redline

Botnet

UDP

C2

45.9.20.20:13441

Targets

    • Target

      894e61c9670a43c03eae56cb8a54371c.exe

    • Size

      243KB

    • MD5

      894e61c9670a43c03eae56cb8a54371c

    • SHA1

      d57381d64c59c6c2457e4882c554297599a7c919

    • SHA256

      16ea3c8232c0e41dd102a54e70a116f58b73c778390f563301f3d3f1685cc156

    • SHA512

      cb3732e9bc267671ef72ed12de18fb759c9d265456f12766253250c12d4399aa24f8cbf4526a4e6ca020e4c22ef71ab3816547434ed9424e43e1fc0b01736857

    • 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