General

  • Target

    33b7cf1489d0e481f18169ae978df7efe8b26a3745653a3b869e4136990381e8

  • Size

    313KB

  • Sample

    220115-awv4wabeg7

  • MD5

    459ba5e3df585a01cbc4a1177ba388c6

  • SHA1

    d5cb74ab2f07c314bb3de5444d0688776638d7f0

  • SHA256

    33b7cf1489d0e481f18169ae978df7efe8b26a3745653a3b869e4136990381e8

  • SHA512

    24f3a9db1d60dc05a0df5ec33fd4d89f98fbb2f13e0992c17e6bbfa290ae14c45441483d1b3baa28e763c1f9eb5e01ac8f78c74eed14ea2b27ea237744c3b599

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
rc4.plain

Extracted

Family

vidar

Version

49.6

Botnet

1127

C2

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes
  • profile_id

    1127

Targets

    • Target

      33b7cf1489d0e481f18169ae978df7efe8b26a3745653a3b869e4136990381e8

    • Size

      313KB

    • MD5

      459ba5e3df585a01cbc4a1177ba388c6

    • SHA1

      d5cb74ab2f07c314bb3de5444d0688776638d7f0

    • SHA256

      33b7cf1489d0e481f18169ae978df7efe8b26a3745653a3b869e4136990381e8

    • SHA512

      24f3a9db1d60dc05a0df5ec33fd4d89f98fbb2f13e0992c17e6bbfa290ae14c45441483d1b3baa28e763c1f9eb5e01ac8f78c74eed14ea2b27ea237744c3b599

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Tofsee

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • xmrig

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

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Arkei Stealer Payload

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

    • Vidar Stealer

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks