General

  • Target

    fc7086ea5c1a789cc259585ca6c031d8d4900d42ade912440f5b9dfdedbc1965

  • Size

    4.7MB

  • Sample

    220315-pf6yrsdabp

  • MD5

    77d1f5f10b004149fde0b372dd794abe

  • SHA1

    12d3f4d92dd3dc98e1fa67b0146a6fabb8be0a83

  • SHA256

    fc7086ea5c1a789cc259585ca6c031d8d4900d42ade912440f5b9dfdedbc1965

  • SHA512

    07e797050ea687306837d409113409977ea5d7bc46cdac697e6ab4e9709cc43d8fc13e4f726cf6ef273d7f88d7ef126cd83ab2a9caccc4292664e87b7d4f21c5

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

39.3

Botnet

706

C2

https://bandakere.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

Lyla

C2

zetarnoria.xyz:80

Targets

    • Target

      fc7086ea5c1a789cc259585ca6c031d8d4900d42ade912440f5b9dfdedbc1965

    • Size

      4.7MB

    • MD5

      77d1f5f10b004149fde0b372dd794abe

    • SHA1

      12d3f4d92dd3dc98e1fa67b0146a6fabb8be0a83

    • SHA256

      fc7086ea5c1a789cc259585ca6c031d8d4900d42ade912440f5b9dfdedbc1965

    • SHA512

      07e797050ea687306837d409113409977ea5d7bc46cdac697e6ab4e9709cc43d8fc13e4f726cf6ef273d7f88d7ef126cd83ab2a9caccc4292664e87b7d4f21c5

    • Modifies Windows Defender Real-time Protection settings

    • 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 NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Executes dropped EXE

    • UPX packed file

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

    • 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.

    • Adds Run key to start application

    • 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 SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks