General

  • Target

    ee998d663916ccd0065cba03b1326083ec672c1ddeccd46505f943ae2257b1c5

  • Size

    157KB

  • Sample

    211217-befhjadae6

  • MD5

    6a698a7c6063c1eb73d0756f0e322e5e

  • SHA1

    48af98623cfb4aade727ff257abe3e4cc7806b44

  • SHA256

    ee998d663916ccd0065cba03b1326083ec672c1ddeccd46505f943ae2257b1c5

  • SHA512

    e6ee29a279296f140632d28c2fd3a20f365184b1b6e434950ae1f216dd7ca068896cebf8c5122d1b9fb3b3749a86b51f3237ea502b030151494844f7ec16df46

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

redline

Botnet

22

C2

195.133.47.114:38127

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

Targets

    • Target

      ee998d663916ccd0065cba03b1326083ec672c1ddeccd46505f943ae2257b1c5

    • Size

      157KB

    • MD5

      6a698a7c6063c1eb73d0756f0e322e5e

    • SHA1

      48af98623cfb4aade727ff257abe3e4cc7806b44

    • SHA256

      ee998d663916ccd0065cba03b1326083ec672c1ddeccd46505f943ae2257b1c5

    • SHA512

      e6ee29a279296f140632d28c2fd3a20f365184b1b6e434950ae1f216dd7ca068896cebf8c5122d1b9fb3b3749a86b51f3237ea502b030151494844f7ec16df46

    • Arkei

      Arkei is an infostealer written in C++.

    • Bazar Loader

      Detected loader normally used to deploy BazarBackdoor malware.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

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

    • Arkei Stealer Payload

    • Bazar/Team9 Loader payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks