General

  • Target

    5855f031b17dc6ffb00c9ecc81f1b589518377d992610fbaeb57c06531da80bd

  • Size

    204KB

  • Sample

    211014-xpdbtaabe4

  • MD5

    b3803136da14eb57c00089050fdee7f7

  • SHA1

    80d772a4b64786fcc5bbee9fe7f5b3ceafb0dcd2

  • SHA256

    5855f031b17dc6ffb00c9ecc81f1b589518377d992610fbaeb57c06531da80bd

  • SHA512

    4904546abbf9b237205be85258a1c3cb5d35416ec46a42fdab5c7d257e5d89978a7fcd7ce4976797ceb19c9e9b386cdc3191406d5c148ff831cf41de2d0dbf67

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://honawey7.top/

http://wijibui0.top/

http://hefahei6.top/

http://pipevai4.top/

http://nalirou7.top/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

raccoon

Version

1.8.2

Botnet

fbe5e97e7d069407605ee9138022aa82166657e6

Attributes
  • url4cnc

    http://telemirror.top/stevuitreen

    http://tgmirror.top/stevuitreen

    http://telegatt.top/stevuitreen

    http://telegka.top/stevuitreen

    http://telegin.top/stevuitreen

    https://t.me/stevuitreen

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

huyzalupanew1

C2

135.181.208.162:13904

Extracted

Family

redline

Botnet

MegaProliv2

C2

93.115.20.139:28978

Extracted

Family

raccoon

Botnet

7ebf9b416b72a203df65383eec899dc689d2c3d7

Attributes
  • url4cnc

    http://telegatt.top/agrybirdsgamerept

    http://telegka.top/agrybirdsgamerept

    http://telegin.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://194.143.146.11/f3swKt0yFP.php

Extracted

Family

vidar

Version

41.4

Botnet

1042

C2

https://mas.to/@sslam

Attributes
  • profile_id

    1042

Targets

    • Target

      5855f031b17dc6ffb00c9ecc81f1b589518377d992610fbaeb57c06531da80bd

    • Size

      204KB

    • MD5

      b3803136da14eb57c00089050fdee7f7

    • SHA1

      80d772a4b64786fcc5bbee9fe7f5b3ceafb0dcd2

    • SHA256

      5855f031b17dc6ffb00c9ecc81f1b589518377d992610fbaeb57c06531da80bd

    • SHA512

      4904546abbf9b237205be85258a1c3cb5d35416ec46a42fdab5c7d257e5d89978a7fcd7ce4976797ceb19c9e9b386cdc3191406d5c148ff831cf41de2d0dbf67

    • Arkei

      Arkei is an infostealer written in C++.

    • Modifies WinLogon for persistence

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • Turns off Windows Defender SpyNet reporting

    • 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

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

    • Nirsoft

    • 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.

    • Deletes itself

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

3
T1089

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks