General

  • Target

    80845dce1fc25d8f618e002b49c8a592d1dd29920b47d582af34c45a1fa19d2e

  • Size

    158KB

  • Sample

    211130-fr9pcsdgcl

  • MD5

    90c52f5d36edf60193c011d98ebbd8aa

  • SHA1

    d4f468135b9a90f1752c06e35ae7e9ce01dca737

  • SHA256

    80845dce1fc25d8f618e002b49c8a592d1dd29920b47d582af34c45a1fa19d2e

  • SHA512

    a3dc37006f60a9d14ddcb44da6edd93344fe2bba8229485093426c6af0c8e5d4e6a987ac32a36bf11c172f981470e2edba4465183d3c1e7585714d1323a3fc3f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

92.255.76.197:38637

Extracted

Family

redline

Botnet

Hmm

C2

194.127.178.164:59973

Extracted

Family

icedid

Campaign

3858400908

C2

mchinamoz.com

Targets

    • Target

      80845dce1fc25d8f618e002b49c8a592d1dd29920b47d582af34c45a1fa19d2e

    • Size

      158KB

    • MD5

      90c52f5d36edf60193c011d98ebbd8aa

    • SHA1

      d4f468135b9a90f1752c06e35ae7e9ce01dca737

    • SHA256

      80845dce1fc25d8f618e002b49c8a592d1dd29920b47d582af34c45a1fa19d2e

    • SHA512

      a3dc37006f60a9d14ddcb44da6edd93344fe2bba8229485093426c6af0c8e5d4e6a987ac32a36bf11c172f981470e2edba4465183d3c1e7585714d1323a3fc3f

    • Arkei

      Arkei is an infostealer written in C++.

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • 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

    • 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

    • suricata: ET MALWARE Win32/IcedID Request Cookie

      suricata: ET MALWARE Win32/IcedID Request Cookie

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

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Arkei Stealer Payload

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks