General

  • Target

    setup_x86_x64_install.exe

  • Size

    4.2MB

  • Sample

    211021-pq8kcaace4

  • MD5

    7aa969fdffd0eb3a6d909fb1ef6a5a4c

  • SHA1

    327a7513fa9a76303537695f156c0df8fcac185d

  • SHA256

    3ef1d1af7ceef7620a20f9603a01db21e6abd5ec3302698d1a320baa8813740a

  • SHA512

    1fcdd0e2db605a332788fc6ec6af597a855c3ab869e567f3f45373389ec4dca7cb084a4469a63032876b7bd950a99b247f6bad1aab82cfb146028dd4e188be12

Malware Config

Extracted

Family

redline

Botnet

media21

C2

91.121.67.60:2151

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

Chris

C2

194.104.136.5:46013

Extracted

Family

vidar

Version

41.5

Botnet

933

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    933

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      4.2MB

    • MD5

      7aa969fdffd0eb3a6d909fb1ef6a5a4c

    • SHA1

      327a7513fa9a76303537695f156c0df8fcac185d

    • SHA256

      3ef1d1af7ceef7620a20f9603a01db21e6abd5ec3302698d1a320baa8813740a

    • SHA512

      1fcdd0e2db605a332788fc6ec6af597a855c3ab869e567f3f45373389ec4dca7cb084a4469a63032876b7bd950a99b247f6bad1aab82cfb146028dd4e188be12

    • 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

    • 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.

    • 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

    • 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.

    • 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.

    • Drops file in System32 directory

    • 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

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks