General

  • Target

    a8f9a08868396c691207daaafe596569.exe

  • Size

    243KB

  • Sample

    210920-emqv1scge6

  • MD5

    a8f9a08868396c691207daaafe596569

  • SHA1

    04ffa112f37475283540dcc2d970e74267c86ec3

  • SHA256

    90ce980b980b372a90c20b959ee2ad27dcea764ce2e858043a8e02aa307cf3b1

  • SHA512

    953121037ce193c2727de5a7df6b10d682ca7fb91748f7505815714815a13ccff6281a8b0af12ab50c5d293a77f4703b57f0ab0aa5dd621f2ff667ef430efd70

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

Extracted

Family

redline

Botnet

New777

C2

45.67.231.145:10991

Targets

    • Target

      a8f9a08868396c691207daaafe596569.exe

    • Size

      243KB

    • MD5

      a8f9a08868396c691207daaafe596569

    • SHA1

      04ffa112f37475283540dcc2d970e74267c86ec3

    • SHA256

      90ce980b980b372a90c20b959ee2ad27dcea764ce2e858043a8e02aa307cf3b1

    • SHA512

      953121037ce193c2727de5a7df6b10d682ca7fb91748f7505815714815a13ccff6281a8b0af12ab50c5d293a77f4703b57f0ab0aa5dd621f2ff667ef430efd70

    • 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