General

  • Target

    49ec761dd9f05eaac28aa93ec47034f754364726542b9de7cee5d6592bf0c4ec

  • Size

    2.6MB

  • Sample

    220215-qzt9raggeq

  • MD5

    8fbf01af64c7bb1289a26b1f7574ae9e

  • SHA1

    bcb617c6977334e789f9eace561f1c931024b32c

  • SHA256

    49ec761dd9f05eaac28aa93ec47034f754364726542b9de7cee5d6592bf0c4ec

  • SHA512

    0cdac73d08652435e48ea05dd73cc414a212c40dcc62b96c637a2a2cd35e24aafecdc99f1c9f023089bf16c6a9dc3b87dae5d38ffa58878820ec32c1cd1fbe62

Malware Config

Targets

    • Target

      49ec761dd9f05eaac28aa93ec47034f754364726542b9de7cee5d6592bf0c4ec

    • Size

      2.6MB

    • MD5

      8fbf01af64c7bb1289a26b1f7574ae9e

    • SHA1

      bcb617c6977334e789f9eace561f1c931024b32c

    • SHA256

      49ec761dd9f05eaac28aa93ec47034f754364726542b9de7cee5d6592bf0c4ec

    • SHA512

      0cdac73d08652435e48ea05dd73cc414a212c40dcc62b96c637a2a2cd35e24aafecdc99f1c9f023089bf16c6a9dc3b87dae5d38ffa58878820ec32c1cd1fbe62

    • RedLine

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

    • RedLine Payload

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

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Command and Control

Web Service

1
T1102

Tasks