General

  • Target

    13f751b8ffa920eb7528ca94dde9e4a82d737bda218e09b2fd82a9ce82e8ab18

  • Size

    335KB

  • Sample

    211129-k57jdaehd7

  • MD5

    0eeaf26b013952574f90f78745f92a29

  • SHA1

    7dc5cc23b0ee91a18e05d18798844dc1682d4cd5

  • SHA256

    13f751b8ffa920eb7528ca94dde9e4a82d737bda218e09b2fd82a9ce82e8ab18

  • SHA512

    6fe95a5ddc4c9250f6b1ca8932fdbc1a9f669084a632c91b3d01d702070bbbb382f6c270a4d85849fd3a99b470133dfe5523435160c0911f29dcc0313317f83f

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

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.189.167.130:38637

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      13f751b8ffa920eb7528ca94dde9e4a82d737bda218e09b2fd82a9ce82e8ab18

    • Size

      335KB

    • MD5

      0eeaf26b013952574f90f78745f92a29

    • SHA1

      7dc5cc23b0ee91a18e05d18798844dc1682d4cd5

    • SHA256

      13f751b8ffa920eb7528ca94dde9e4a82d737bda218e09b2fd82a9ce82e8ab18

    • SHA512

      6fe95a5ddc4c9250f6b1ca8932fdbc1a9f669084a632c91b3d01d702070bbbb382f6c270a4d85849fd3a99b470133dfe5523435160c0911f29dcc0313317f83f

    • Arkei

      Arkei is an infostealer written in C++.

    • Bazar Loader

      Detected loader normally used to deploy BazarBackdoor malware.

    • CryptBot

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

    • 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

    • xmrig

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

    • Arkei Stealer Payload

    • Bazar/Team9 Loader 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