General

  • Target

    f2e9bf031e2a33813d6e6e126649f80cd419ce376f290c646f294fda6f070668

  • Size

    316KB

  • Sample

    211127-n11rtadde4

  • MD5

    749fd68d4b16f2ea0a7e72f5750dda67

  • SHA1

    279460fb0320b134a6977458fc60442aa069a99e

  • SHA256

    f2e9bf031e2a33813d6e6e126649f80cd419ce376f290c646f294fda6f070668

  • SHA512

    fd4bdeb0316a09ded700dc5b0cb3864bd1f52d289c9001bdd24fb6b08e261b325f57553794a29232023f6e20adf25063ca6c361f660662797a7bcb592174b2f2

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

arkei

Botnet

Default

C2

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

Extracted

Family

redline

C2

185.159.80.90:38655

Extracted

Family

redline

Botnet

Robot

C2

178.238.8.47:36439

Targets

    • Target

      f2e9bf031e2a33813d6e6e126649f80cd419ce376f290c646f294fda6f070668

    • Size

      316KB

    • MD5

      749fd68d4b16f2ea0a7e72f5750dda67

    • SHA1

      279460fb0320b134a6977458fc60442aa069a99e

    • SHA256

      f2e9bf031e2a33813d6e6e126649f80cd419ce376f290c646f294fda6f070668

    • SHA512

      fd4bdeb0316a09ded700dc5b0cb3864bd1f52d289c9001bdd24fb6b08e261b325f57553794a29232023f6e20adf25063ca6c361f660662797a7bcb592174b2f2

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Tofsee

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

    • Windows security bypass

    • xmrig

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

    • Arkei Stealer Payload

    • Bazar/Team9 Loader 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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 NtSetInformationThreadHideFromDebugger

    • 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

Tasks