General

  • Target

    db302bbadf0911134bfa2f9cdae269f7.exe

  • Size

    320KB

  • Sample

    220115-z7wl8afdbj

  • MD5

    db302bbadf0911134bfa2f9cdae269f7

  • SHA1

    6b88eebe4fa3da5e131a2405fae04d41b49dd3b0

  • SHA256

    d486573a12a0a407b7ae295318b59e750fb63cd9de6d46cceb2c173ae0b6b650

  • SHA512

    3f8c42cff9eaeaba5748ea442989ecc0274e7e342fbcf41ccbde9b4297af601478215d82dcbbcd502c5000d75514f1fed0886b34980d1cdd134158b8a5181292

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

      db302bbadf0911134bfa2f9cdae269f7.exe

    • Size

      320KB

    • MD5

      db302bbadf0911134bfa2f9cdae269f7

    • SHA1

      6b88eebe4fa3da5e131a2405fae04d41b49dd3b0

    • SHA256

      d486573a12a0a407b7ae295318b59e750fb63cd9de6d46cceb2c173ae0b6b650

    • SHA512

      3f8c42cff9eaeaba5748ea442989ecc0274e7e342fbcf41ccbde9b4297af601478215d82dcbbcd502c5000d75514f1fed0886b34980d1cdd134158b8a5181292

    • 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

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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