General

  • Target

    361950330e968b8726199a9703347bf66bb3046c2759375c3f969c673fcf4c44

  • Size

    11.0MB

  • Sample

    220220-qmgg5abdg6

  • MD5

    16eba15ed050172854931e4c7684f300

  • SHA1

    5019c6e911b385b6330d734f372faeab668ef4f5

  • SHA256

    361950330e968b8726199a9703347bf66bb3046c2759375c3f969c673fcf4c44

  • SHA512

    907141860c8e07ebcd15c76f53807bcb650b79d7609f162b85de9d06f923d145e96572f76145d904060e73944f7c2b6cfeb6c43cbd3799ec0e66c2600ff7f454

Malware Config

Extracted

Family

socelars

C2

https://sa-us-bucket.s3.us-east-2.amazonaws.com/sagdys/

Targets

    • Target

      361950330e968b8726199a9703347bf66bb3046c2759375c3f969c673fcf4c44

    • Size

      11.0MB

    • MD5

      16eba15ed050172854931e4c7684f300

    • SHA1

      5019c6e911b385b6330d734f372faeab668ef4f5

    • SHA256

      361950330e968b8726199a9703347bf66bb3046c2759375c3f969c673fcf4c44

    • SHA512

      907141860c8e07ebcd15c76f53807bcb650b79d7609f162b85de9d06f923d145e96572f76145d904060e73944f7c2b6cfeb6c43cbd3799ec0e66c2600ff7f454

    • 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

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • 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

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

3
T1112

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

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks