General

  • Target

    C68DD6BECF7FF5F43AE83924CD67613C.exe

  • Size

    3.3MB

  • Sample

    210804-8wmpahpw9n

  • MD5

    c68dd6becf7ff5f43ae83924cd67613c

  • SHA1

    2f95861167f6fc5dc9b9ae46460b052fa789e73f

  • SHA256

    3df4f87d41a548e7cd16ee0bd11ce89e6c74681ca2d5741eed38238a91d5f415

  • SHA512

    832bc830f2728dd9b6509d39c092ff123ef85e58367eba9c0c55c0ec3d0e6194ee37c090dfc6638f5fb05151447ee3fee6c38f1818baaafc3be2e856cf55e846

Malware Config

Extracted

Family

redline

Botnet

AniOLD

C2

liezaphare.xyz:80

Extracted

Family

vidar

Version

39.8

Botnet

706

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

39.9

Botnet

921

C2

https://prophefliloc.tumblr.com/

Attributes
  • profile_id

    921

Targets

    • Target

      C68DD6BECF7FF5F43AE83924CD67613C.exe

    • Size

      3.3MB

    • MD5

      c68dd6becf7ff5f43ae83924cd67613c

    • SHA1

      2f95861167f6fc5dc9b9ae46460b052fa789e73f

    • SHA256

      3df4f87d41a548e7cd16ee0bd11ce89e6c74681ca2d5741eed38238a91d5f415

    • SHA512

      832bc830f2728dd9b6509d39c092ff123ef85e58367eba9c0c55c0ec3d0e6194ee37c090dfc6638f5fb05151447ee3fee6c38f1818baaafc3be2e856cf55e846

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • Registers COM server for autorun

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

    • suricata: ET MALWARE Possible Windows executable sent when remote host claims to send a Text File

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • 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.

    • 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

2
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

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