General

  • Target

    0020d4df86d5fc878cdf9f071d1fd10821335649eaf1f39a1f891b6c0769b6fe.exe

  • Size

    273KB

  • Sample

    220116-wmprdsgbcj

  • MD5

    6cab16e43f8e50ade94c350ea29a3ff5

  • SHA1

    00885d315a2719948b575ceb6700b86b2b7419d6

  • SHA256

    0020d4df86d5fc878cdf9f071d1fd10821335649eaf1f39a1f891b6c0769b6fe

  • SHA512

    e08f585d1842d895c10d9e2109fc9b20ebaa161867cf960b6987a6ab242ddfcff6bdc5de7655be823eb1cec5cf1a7c7390875f110348c1260d9c53dd2830298b

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

amadey

Version

3.01

C2

185.215.113.35/d2VxjasuwS/index.php

Targets

    • Target

      0020d4df86d5fc878cdf9f071d1fd10821335649eaf1f39a1f891b6c0769b6fe.exe

    • Size

      273KB

    • MD5

      6cab16e43f8e50ade94c350ea29a3ff5

    • SHA1

      00885d315a2719948b575ceb6700b86b2b7419d6

    • SHA256

      0020d4df86d5fc878cdf9f071d1fd10821335649eaf1f39a1f891b6c0769b6fe

    • SHA512

      e08f585d1842d895c10d9e2109fc9b20ebaa161867cf960b6987a6ab242ddfcff6bdc5de7655be823eb1cec5cf1a7c7390875f110348c1260d9c53dd2830298b

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Arkei

      Arkei is an infostealer written in C++.

    • 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

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • suricata: ET MALWARE Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

    • 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

    • 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 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks