Resubmissions

18-11-2021 19:28

211118-x6xf1sach9 10

18-11-2021 14:06

211118-remjvagfd3 10

General

  • Target

    setup_x86_x64_install.exe

  • Size

    10.5MB

  • Sample

    211118-x6xf1sach9

  • MD5

    b70883d05d292eeba3f756730a7d62bb

  • SHA1

    301bc3e6004f421ed035d9f4091ebce6fc789660

  • SHA256

    e8c56bc5bf674b494dd03d856c03c1ecfaf70e578c09f634cf66b09534f05c02

  • SHA512

    83687a8f862f2448f1b3fdbd3523248baa1a614598ba7389d79a9c8c5debdea4bef97a048481b43a1f13cea28b73ba18f5b38775772629c253454588828128e6

Malware Config

Extracted

Family

socelars

C2

http://www.gianninidesign.com/

Extracted

Family

redline

Botnet

media18plus

C2

91.121.67.60:51630

Extracted

Family

redline

Botnet

user2121

C2

135.181.129.119:4805

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      10.5MB

    • MD5

      b70883d05d292eeba3f756730a7d62bb

    • SHA1

      301bc3e6004f421ed035d9f4091ebce6fc789660

    • SHA256

      e8c56bc5bf674b494dd03d856c03c1ecfaf70e578c09f634cf66b09534f05c02

    • SHA512

      83687a8f862f2448f1b3fdbd3523248baa1a614598ba7389d79a9c8c5debdea4bef97a048481b43a1f13cea28b73ba18f5b38775772629c253454588828128e6

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • 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

    • Socelars

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

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • 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.

    • Drops startup file

    • 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

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • 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

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

BITS Jobs

1
T1197

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

BITS Jobs

1
T1197

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks