General

  • Target

    4b85d8505045dfc9de8e3a47ee0c7f44a4de48d6664f3e2bb0c5989632ef369a

  • Size

    4.5MB

  • Sample

    220310-y3hn5aahg2

  • MD5

    65ebfa0ea9e191e401c65b2b3a1463bc

  • SHA1

    2c4508b53e16dd3dc4ed448ecd17819234b2b7aa

  • SHA256

    4b85d8505045dfc9de8e3a47ee0c7f44a4de48d6664f3e2bb0c5989632ef369a

  • SHA512

    dbcee0116cc49195e9b69e3c046a3599b69150c76b8e7ff0b6f9c2f4fe3b95c3e7d4fb801f435d87cab14ad019bc86cf7a4cc0a7e769d63e72a926da64a18293

Malware Config

Extracted

Family

redline

Botnet

DomAni

C2

varinnitof.xyz:80

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

redline

Botnet

dadad123

C2

86.107.197.196:63065

Attributes
  • auth_value

    dd4834614a3ac04a7b90791c224626a2

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

Lyla2

C2

bonezarisor.xyz:80

Attributes
  • auth_value

    de2a98abc502b86b809fbc366af9256a

Targets

    • Target

      4b85d8505045dfc9de8e3a47ee0c7f44a4de48d6664f3e2bb0c5989632ef369a

    • Size

      4.5MB

    • MD5

      65ebfa0ea9e191e401c65b2b3a1463bc

    • SHA1

      2c4508b53e16dd3dc4ed448ecd17819234b2b7aa

    • SHA256

      4b85d8505045dfc9de8e3a47ee0c7f44a4de48d6664f3e2bb0c5989632ef369a

    • SHA512

      dbcee0116cc49195e9b69e3c046a3599b69150c76b8e7ff0b6f9c2f4fe3b95c3e7d4fb801f435d87cab14ad019bc86cf7a4cc0a7e769d63e72a926da64a18293

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Modifies Windows Defender Real-time Protection settings

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • OnlyLogger Payload

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks