General

  • Target

    bdae6a469baba91b2d5b54be5c4e5bfc0f07c6e6dfa20a0c26a6c3f336f20955

  • Size

    12.5MB

  • Sample

    220217-y8lyqsebe8

  • MD5

    5c54816f877e9df7706273ecdb83e67d

  • SHA1

    e25dc57c8da5a756eac05f4e80d34244e88f3b63

  • SHA256

    bdae6a469baba91b2d5b54be5c4e5bfc0f07c6e6dfa20a0c26a6c3f336f20955

  • SHA512

    cc47735f588d13f410fb473e8cf7103813f60f72a523eb97e376afe77f183ccd23b64f9cb4f87751a3c2ac4f2d407b3fac8c5eb23bd0ea8e2262a1b4ffab4aa6

Malware Config

Extracted

Family

socelars

C2

https://dhner.s3.ap-southeast-2.amazonaws.com/eyxjet/

Targets

    • Target

      bdae6a469baba91b2d5b54be5c4e5bfc0f07c6e6dfa20a0c26a6c3f336f20955

    • Size

      12.5MB

    • MD5

      5c54816f877e9df7706273ecdb83e67d

    • SHA1

      e25dc57c8da5a756eac05f4e80d34244e88f3b63

    • SHA256

      bdae6a469baba91b2d5b54be5c4e5bfc0f07c6e6dfa20a0c26a6c3f336f20955

    • SHA512

      cc47735f588d13f410fb473e8cf7103813f60f72a523eb97e376afe77f183ccd23b64f9cb4f87751a3c2ac4f2d407b3fac8c5eb23bd0ea8e2262a1b4ffab4aa6

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • 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

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

    • OnlyLogger Payload

    • 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.

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks