General

  • Target

    fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe

  • Size

    7.3MB

  • Sample

    240526-bmjj6ahe3v

  • MD5

    5c95d5493dda877b228a6485a6d40d9c

  • SHA1

    185482dabc06787f6ce14c6cd46c17372a1b77ae

  • SHA256

    fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9

  • SHA512

    05334c39be051eb33c0ad4787cd8d56a1386115bf809f2ec44088f719ab5bf3caf8e7a4539cb5d10b60bc5452b98d01656332b7e5c608038aeae73bd88b16e24

  • SSDEEP

    196608:0qw9h20Qu0lFIutULgNr8cQ6P/qrFfDG2HD14LDsYu67ReBR:w2FIutULgS7rlDvDSI6cz

Malware Config

Targets

    • Target

      fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe

    • Size

      7.3MB

    • MD5

      5c95d5493dda877b228a6485a6d40d9c

    • SHA1

      185482dabc06787f6ce14c6cd46c17372a1b77ae

    • SHA256

      fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9

    • SHA512

      05334c39be051eb33c0ad4787cd8d56a1386115bf809f2ec44088f719ab5bf3caf8e7a4539cb5d10b60bc5452b98d01656332b7e5c608038aeae73bd88b16e24

    • SSDEEP

      196608:0qw9h20Qu0lFIutULgNr8cQ6P/qrFfDG2HD14LDsYu67ReBR:w2FIutULgS7rlDvDSI6cz

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables packed with Themida

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

    • 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.

    • Executes dropped EXE

    • 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

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Tasks