General

  • Target

    cb3b7d083c31cb29d90e61768070ab7697abc0fa9922d5abb63f16d2db34684d

  • Size

    3.0MB

  • Sample

    210727-dt9kctw3dj

  • MD5

    9bfb6f01c5d2798f310d986f994a5677

  • SHA1

    b1473cbb969df0888e73e6820d0f2927a0d2d257

  • SHA256

    cb3b7d083c31cb29d90e61768070ab7697abc0fa9922d5abb63f16d2db34684d

  • SHA512

    b2ab89ddebae80a2f5c2d75a48bb7c3078e6dbe891a1545f0a14f7b10e38a9f496125b0cacdda8766ca76869360686b79a6edbcf7307eefa814511b8956d0811

Malware Config

Targets

    • Target

      cb3b7d083c31cb29d90e61768070ab7697abc0fa9922d5abb63f16d2db34684d

    • Size

      3.0MB

    • MD5

      9bfb6f01c5d2798f310d986f994a5677

    • SHA1

      b1473cbb969df0888e73e6820d0f2927a0d2d257

    • SHA256

      cb3b7d083c31cb29d90e61768070ab7697abc0fa9922d5abb63f16d2db34684d

    • SHA512

      b2ab89ddebae80a2f5c2d75a48bb7c3078e6dbe891a1545f0a14f7b10e38a9f496125b0cacdda8766ca76869360686b79a6edbcf7307eefa814511b8956d0811

    • RedLine

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

    • 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.

    • 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 v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks