General

  • Target

    4f7c4888f8fb1ee61755b77a25d9227c.exe

  • Size

    312KB

  • Sample

    220115-vj468seha3

  • MD5

    4f7c4888f8fb1ee61755b77a25d9227c

  • SHA1

    6eba8ea92384ec3c5e6a686b1724647d22bc9a75

  • SHA256

    51976eb945307ca6503706ae06f3f228035d655b7ecf26b9eff0401529cc4798

  • SHA512

    ced2c90e26727ee6c76c4182426fa230bc04e2ac31af173998acad65f350f51e550b82a6a6ba2c13360a1bf1851cd2e391551083de91cfa8b2b0820705036bca

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

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Targets

    • Target

      4f7c4888f8fb1ee61755b77a25d9227c.exe

    • Size

      312KB

    • MD5

      4f7c4888f8fb1ee61755b77a25d9227c

    • SHA1

      6eba8ea92384ec3c5e6a686b1724647d22bc9a75

    • SHA256

      51976eb945307ca6503706ae06f3f228035d655b7ecf26b9eff0401529cc4798

    • SHA512

      ced2c90e26727ee6c76c4182426fa230bc04e2ac31af173998acad65f350f51e550b82a6a6ba2c13360a1bf1851cd2e391551083de91cfa8b2b0820705036bca

    • Arkei

      Arkei is an infostealer written in C++.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • 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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks