General

  • Target

    01b31a5b16aa19085e8182dab279ddf8.exe

  • Size

    330KB

  • Sample

    220218-wsla6adfej

  • MD5

    01b31a5b16aa19085e8182dab279ddf8

  • SHA1

    005fed815cef211835a93b94b0185bd6abe98db4

  • SHA256

    e461fe15f9e582be71695a8a52439cc93c6c68b5168f527ffd28f2c62236f46f

  • SHA512

    2cb4a021438356173ea8d680ba3aec8af167fdb76b5bdf694579f5a4870119152cacfbdde9652211a6258179abe8ac448fd26e8aa36afda314afbad3376c71a4

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://dollybuster.at/upload/

http://spaldingcompanies.com/upload/

http://remik-franchise.ru/upload/

http://fennsports.com/upload/

http://am1420wbec.com/upload/

http://islamic-city.com/upload/

http://egsagl.com/upload/

http://mordo.ru/upload/

http://piratia-life.ru/upload/

https://oakland-studio.video/search.php

https://seattle-university.video/search.php

http://statssblogsta.in/stat/

http://statssblogsta.com/stat/

rc4.i32
rc4.i32
rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

icedid

Campaign

1860595763

C2

badgoodreason.com

Extracted

Family

warzonerat

C2

193.203.203.96:5200

Targets

    • Target

      01b31a5b16aa19085e8182dab279ddf8.exe

    • Size

      330KB

    • MD5

      01b31a5b16aa19085e8182dab279ddf8

    • SHA1

      005fed815cef211835a93b94b0185bd6abe98db4

    • SHA256

      e461fe15f9e582be71695a8a52439cc93c6c68b5168f527ffd28f2c62236f46f

    • SHA512

      2cb4a021438356173ea8d680ba3aec8af167fdb76b5bdf694579f5a4870119152cacfbdde9652211a6258179abe8ac448fd26e8aa36afda314afbad3376c71a4

    • Arkei

      Arkei is an infostealer written in C++.

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Win32/IcedID Request Cookie

      suricata: ET MALWARE Win32/IcedID Request Cookie

    • suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

    • suricata: ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND

      suricata: ET MALWARE Windows dir Microsoft Windows DOS prompt command exit OUTBOUND

    • suricata: ET MALWARE Windows route Microsoft Windows DOS prompt command exit OUTBOUND

      suricata: ET MALWARE Windows route Microsoft Windows DOS prompt command exit OUTBOUND

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

    • Warzone RAT Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • 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

MITRE ATT&CK Enterprise v6

Tasks