General

  • Target

    a52bb2f33ad0b18d298a40c07799ccb1.exe

  • Size

    3.4MB

  • Sample

    210811-l5c2wqbp1a

  • MD5

    a52bb2f33ad0b18d298a40c07799ccb1

  • SHA1

    ba2f270773159b858894167281535c725ed7ff11

  • SHA256

    b90ca330c6c4dfd459fb04c6bf0953b05547c9965151223981bdeac1f5850f31

  • SHA512

    3cc0ddc0255159db8dbfae0b71624aa8d0b1df918ab712e2778ecbd0cc3e15b2bcd879f158b20605c7772d746661ef64103a73ed60b32b38a2baf8169e3fe895

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

706

C2

https://prophefliloc.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

OLKani

C2

ataninamei.xyz:80

Extracted

Family

redline

Botnet

7new

C2

sytareliar.xyz:80

yabelesatg.xyz:80

ceneimarck.xyz:80

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

Targets

    • Target

      a52bb2f33ad0b18d298a40c07799ccb1.exe

    • Size

      3.4MB

    • MD5

      a52bb2f33ad0b18d298a40c07799ccb1

    • SHA1

      ba2f270773159b858894167281535c725ed7ff11

    • SHA256

      b90ca330c6c4dfd459fb04c6bf0953b05547c9965151223981bdeac1f5850f31

    • SHA512

      3cc0ddc0255159db8dbfae0b71624aa8d0b1df918ab712e2778ecbd0cc3e15b2bcd879f158b20605c7772d746661ef64103a73ed60b32b38a2baf8169e3fe895

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

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

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

      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 Terse alphanumeric executable downloader high likelihood of being hostile

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

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks