General

  • Target

    88F45447323E843603078BA9A53E2331.exe

  • Size

    4.5MB

  • Sample

    210701-dxqnen41tx

  • MD5

    88f45447323e843603078ba9a53e2331

  • SHA1

    033d906d2f767f547ff73f9441e28ccde0822603

  • SHA256

    401d56a86e9a68b82996d52f22858ae928d88163e8bacc9b4acee0213c98c682

  • SHA512

    f078f50cb7c5e45eddec22fec27c328e39e0f240c6401523ee847810128b283930f005daafe8611db824a419323de3ccb39e68ad8948f596288105bf0d3f839a

Malware Config

Extracted

Family

redline

Botnet

DomAni

C2

ergerr3.top:80

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    706

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

Targets

    • Target

      88F45447323E843603078BA9A53E2331.exe

    • Size

      4.5MB

    • MD5

      88f45447323e843603078ba9a53e2331

    • SHA1

      033d906d2f767f547ff73f9441e28ccde0822603

    • SHA256

      401d56a86e9a68b82996d52f22858ae928d88163e8bacc9b4acee0213c98c682

    • SHA512

      f078f50cb7c5e45eddec22fec27c328e39e0f240c6401523ee847810128b283930f005daafe8611db824a419323de3ccb39e68ad8948f596288105bf0d3f839a

    • 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.

    • 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

    • 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.

    • 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

2
T1112

Disabling Security Tools

1
T1089

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks