General

  • Target

    Service.bmppvvkjmew

  • Size

    385KB

  • Sample

    220522-ge9z2agde4

  • MD5

    45abb1bedf83daf1f2ebbac86e2fa151

  • SHA1

    7d9ccba675478ab65707a28fd277a189450fc477

  • SHA256

    611479c78035c912dd69e3cfdadbf74649bb1fce6241b7573cfb0c7a2fc2fb2f

  • SHA512

    6bf1f7e0800a90666206206c026eadfc7f3d71764d088e2da9ca60bf5a63de92bd90515342e936d02060e1d5f7c92ddec8b0bcc85adfd8a8f4df29bd6f12c25c

Malware Config

Extracted

Family

socelars

C2

https://sa-us-bucket.s3.us-east-2.amazonaws.com/hfber54/

Targets

    • Target

      Service.bmppvvkjmew

    • Size

      385KB

    • MD5

      45abb1bedf83daf1f2ebbac86e2fa151

    • SHA1

      7d9ccba675478ab65707a28fd277a189450fc477

    • SHA256

      611479c78035c912dd69e3cfdadbf74649bb1fce6241b7573cfb0c7a2fc2fb2f

    • SHA512

      6bf1f7e0800a90666206206c026eadfc7f3d71764d088e2da9ca60bf5a63de92bd90515342e936d02060e1d5f7c92ddec8b0bcc85adfd8a8f4df29bd6f12c25c

    • FFDroider

      Stealer targeting social media platform users first seen in April 2022.

    • FFDroider Payload

    • 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.

    • Socelars

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

    • Socelars Payload

    • suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

      suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial 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.

    • Adds Run key to start application

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Process Discovery

1
T1057

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks