General

  • Target

    5f9a7a24c8e201bc69c4a9d62210bf355529a9ba81b1795128baef97c3f5710a

  • Size

    158KB

  • Sample

    211126-tsahjsdden

  • MD5

    b88b1b825f712ed97840b8c88621b632

  • SHA1

    bd03279e6a054662310d448a3f54b64012b340ed

  • SHA256

    5f9a7a24c8e201bc69c4a9d62210bf355529a9ba81b1795128baef97c3f5710a

  • SHA512

    84f12c48f23e01fb3ed330a02e1601a57c805a5da33b3ae817d1e2bd85977323a76684b9004e88250581755006112610f6f4e474796d1d40bc0c413cdcbc70d8

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://nalirou70.top/

http://xacokuo80.top/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.159.80.90:38655

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

redline

Botnet

BADMAN2020

C2

147.124.208.247:34932

Targets

    • Target

      5f9a7a24c8e201bc69c4a9d62210bf355529a9ba81b1795128baef97c3f5710a

    • Size

      158KB

    • MD5

      b88b1b825f712ed97840b8c88621b632

    • SHA1

      bd03279e6a054662310d448a3f54b64012b340ed

    • SHA256

      5f9a7a24c8e201bc69c4a9d62210bf355529a9ba81b1795128baef97c3f5710a

    • SHA512

      84f12c48f23e01fb3ed330a02e1601a57c805a5da33b3ae817d1e2bd85977323a76684b9004e88250581755006112610f6f4e474796d1d40bc0c413cdcbc70d8

    • Arkei

      Arkei is an infostealer written in C++.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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 Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Arkei Stealer 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.

    • 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 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

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks