General

  • Target

    696FD828C44F5E32C148004CBBE3E49B.exe

  • Size

    3.2MB

  • Sample

    210623-8kr9n9jvce

  • MD5

    696fd828c44f5e32c148004cbbe3e49b

  • SHA1

    9497b2b192a996e4c4a9f788c44045e0f566110e

  • SHA256

    16bf40060a0544cf49bda85272b976265fb56248c6068d7d95296937af664ecc

  • SHA512

    3ba027b6dea5631bee0781dfa24c49b707b86f0e4cd60000dd352294eaa15d006ae81f708a4fd982779a06d77b50e9a8ef5c62abf7e4093b50a8cf9752c34aa2

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    706

Extracted

Family

vidar

Version

39.4

Botnet

932

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    932

Extracted

Family

vidar

Version

39.4

Botnet

865

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    865

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Targets

    • Target

      696FD828C44F5E32C148004CBBE3E49B.exe

    • Size

      3.2MB

    • MD5

      696fd828c44f5e32c148004cbbe3e49b

    • SHA1

      9497b2b192a996e4c4a9f788c44045e0f566110e

    • SHA256

      16bf40060a0544cf49bda85272b976265fb56248c6068d7d95296937af664ecc

    • SHA512

      3ba027b6dea5631bee0781dfa24c49b707b86f0e4cd60000dd352294eaa15d006ae81f708a4fd982779a06d77b50e9a8ef5c62abf7e4093b50a8cf9752c34aa2

    • Modifies Windows Defender Real-time Protection settings

    • PlugX

      PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

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