General

  • Target

    28f307b5a20395e2a52297ac59e895e62205ad343efb60559bdf6c505ba4a49c

  • Size

    276KB

  • Sample

    220113-skddssbbcj

  • MD5

    df474a76c29caec13243b02e54f303ae

  • SHA1

    89eeb91d0b383945558c622309bc5e91bc234a61

  • SHA256

    28f307b5a20395e2a52297ac59e895e62205ad343efb60559bdf6c505ba4a49c

  • SHA512

    af8dbfe75bfb48e58c0c4c91016e90339e421121d8f8a4c7faace5c2e5d1d7066f41b128b0413028651ef481380891f79685ae05e24181b96dee14a9af9ecf92

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

tofsee

C2

patmushta.info

parubey.info

Extracted

Family

vidar

Version

49.6

Botnet

565

C2

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes
  • profile_id

    565

Extracted

Family

amadey

Version

3.01

C2

185.215.113.35/d2VxjasuwS/index.php

Targets

    • Target

      28f307b5a20395e2a52297ac59e895e62205ad343efb60559bdf6c505ba4a49c

    • Size

      276KB

    • MD5

      df474a76c29caec13243b02e54f303ae

    • SHA1

      89eeb91d0b383945558c622309bc5e91bc234a61

    • SHA256

      28f307b5a20395e2a52297ac59e895e62205ad343efb60559bdf6c505ba4a49c

    • SHA512

      af8dbfe75bfb48e58c0c4c91016e90339e421121d8f8a4c7faace5c2e5d1d7066f41b128b0413028651ef481380891f79685ae05e24181b96dee14a9af9ecf92

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • 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 Win32/Vidar Variant Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • xmrig

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

    • Arkei Stealer Payload

    • 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

    • 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 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks