General

  • Target

    setup_x86_x64_install.exe

  • Size

    4.2MB

  • Sample

    211008-wrfdhsegd5

  • MD5

    71c3c6ef549daa7a9e2fe5cecb83031f

  • SHA1

    29b6c64e806bdc864ca37a62e50478c3179284a4

  • SHA256

    e6080d51c23ff3825d6dda3280757ba1ce88be4b06d10bf9960a0d79973b43e3

  • SHA512

    adb3c1350c732dc676356350edd8402b5e470836601f5252092ca369867dca48fb94e0038192a32363ee82402388c41a2eaac3558f1aaf8c15c3fc6944d6e09d

Malware Config

Extracted

Family

vidar

Version

41.2

Botnet

916

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    916

Extracted

Family

vidar

Version

41.2

Botnet

933

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    933

Extracted

Family

redline

Botnet

media8

C2

91.121.67.60:2151

Extracted

Family

redline

Botnet

sehrish

C2

135.181.129.119:4805

Extracted

Family

smokeloader

Version

2020

C2

http://gmpeople.com/upload/

http://mile48.com/upload/

http://lecanardstsornin.com/upload/

http://m3600.com/upload/

http://camasirx.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

41.2

Botnet

937

C2

https://mas.to/@serg4325

Attributes
  • profile_id

    937

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      4.2MB

    • MD5

      71c3c6ef549daa7a9e2fe5cecb83031f

    • SHA1

      29b6c64e806bdc864ca37a62e50478c3179284a4

    • SHA256

      e6080d51c23ff3825d6dda3280757ba1ce88be4b06d10bf9960a0d79973b43e3

    • SHA512

      adb3c1350c732dc676356350edd8402b5e470836601f5252092ca369867dca48fb94e0038192a32363ee82402388c41a2eaac3558f1aaf8c15c3fc6944d6e09d

    • 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.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • Vidar Stealer

    • XMRig Miner Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • 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 web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • 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

Modify Existing Service

2
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

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks