General

  • Target

    setup_x86_x64_install.exe

  • Size

    3.5MB

  • Sample

    210912-h28wxscbb8

  • MD5

    1b5154bc65145adba0a58e964265d5f2

  • SHA1

    5a96fd55be61222b3e6438712979dc2a18a50b8c

  • SHA256

    c48cd55efee57f0b7ff4547a0a20ebfbdf4188d059512b10a29879bf30c4fc19

  • SHA512

    9465da97b0986fef660e3f7725b4d4c034bef677acbe36382d95a8052c54634f004162aa3f105156e503af1b26632e47e44234ef9825b388260a6bcd310a5026

Malware Config

Extracted

Family

redline

Botnet

pab123

C2

45.14.49.169:22411

Extracted

Family

vidar

Version

40.5

Botnet

706

C2

https://gheorghip.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

UTS

C2

45.9.20.20:13441

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://shellloader.com/welcome

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      3.5MB

    • MD5

      1b5154bc65145adba0a58e964265d5f2

    • SHA1

      5a96fd55be61222b3e6438712979dc2a18a50b8c

    • SHA256

      c48cd55efee57f0b7ff4547a0a20ebfbdf4188d059512b10a29879bf30c4fc19

    • SHA512

      9465da97b0986fef660e3f7725b4d4c034bef677acbe36382d95a8052c54634f004162aa3f105156e503af1b26632e47e44234ef9825b388260a6bcd310a5026

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks