General

  • Target

    c6c5486eb87a17fa1e37b4572b21e23790bfbc21638900f6f82232a82c7910a1

  • Size

    277KB

  • Sample

    220117-b4trfsggam

  • MD5

    885b0a6ddcbb33d11797c791cb5edcab

  • SHA1

    f639e8058ad65c5a733f93f6b5adcc3ebf1ab78e

  • SHA256

    c6c5486eb87a17fa1e37b4572b21e23790bfbc21638900f6f82232a82c7910a1

  • SHA512

    99baa012c7d12a4a9c684dd620ac0603634a4834c82e245bbb7ddd26d27f9bcc9e4965f4fe2041316737d0058299b16f105f2cd6ff2cdb6a49c6d589d9c2ac40

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

      c6c5486eb87a17fa1e37b4572b21e23790bfbc21638900f6f82232a82c7910a1

    • Size

      277KB

    • MD5

      885b0a6ddcbb33d11797c791cb5edcab

    • SHA1

      f639e8058ad65c5a733f93f6b5adcc3ebf1ab78e

    • SHA256

      c6c5486eb87a17fa1e37b4572b21e23790bfbc21638900f6f82232a82c7910a1

    • SHA512

      99baa012c7d12a4a9c684dd620ac0603634a4834c82e245bbb7ddd26d27f9bcc9e4965f4fe2041316737d0058299b16f105f2cd6ff2cdb6a49c6d589d9c2ac40

    • 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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks