General

  • Target

    ab309c5e239d13fc4462a6e2ae9f7743fb04a542ff6c988e4702e163c278e0fe

  • Size

    313KB

  • Sample

    220115-qf5alsecg6

  • MD5

    dc675e2d0f37c6a30d229e7525c7304a

  • SHA1

    dbf3e7a1915d5f6aeb886c5b5570858d045406db

  • SHA256

    ab309c5e239d13fc4462a6e2ae9f7743fb04a542ff6c988e4702e163c278e0fe

  • SHA512

    a7b3b55a064f27f2c5cbb0f02d9d89ce489c71e41f7c9557ac8e1958c5da2e8c025c830cdbe9dbd02a5ddb0875b0d6bbdecbb684dd092f3fafdab3b34eb88319

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

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

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

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

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

Extracted

Family

arkei

Botnet

Default

C2

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

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Targets

    • Target

      ab309c5e239d13fc4462a6e2ae9f7743fb04a542ff6c988e4702e163c278e0fe

    • Size

      313KB

    • MD5

      dc675e2d0f37c6a30d229e7525c7304a

    • SHA1

      dbf3e7a1915d5f6aeb886c5b5570858d045406db

    • SHA256

      ab309c5e239d13fc4462a6e2ae9f7743fb04a542ff6c988e4702e163c278e0fe

    • SHA512

      a7b3b55a064f27f2c5cbb0f02d9d89ce489c71e41f7c9557ac8e1958c5da2e8c025c830cdbe9dbd02a5ddb0875b0d6bbdecbb684dd092f3fafdab3b34eb88319

    • Arkei

      Arkei is an infostealer written in C++.

    • 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.

    • xmrig

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

    • Arkei Stealer Payload

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks