Analysis

  • max time kernel
    159s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 16:03

General

  • Target

    029304e22670382ecbc930ad8728035c6acb43f93326c8ec9f9d5ae54ed8dc7d.exe

  • Size

    2.3MB

  • MD5

    c6de254aab627092d8772f7e12ada68d

  • SHA1

    70bf484c3b0c784d73727fc8dd4d98417c305a05

  • SHA256

    029304e22670382ecbc930ad8728035c6acb43f93326c8ec9f9d5ae54ed8dc7d

  • SHA512

    9ed69e5eb42aa962beece272e248b281c16ebc717cbb00bd45ba66f4cf8307ae46b3774e90751261b3e3e40a0a414e977fc8d2bdd4d099db4e14d2073c60ceac

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\029304e22670382ecbc930ad8728035c6acb43f93326c8ec9f9d5ae54ed8dc7d.exe
    "C:\Users\Admin\AppData\Local\Temp\029304e22670382ecbc930ad8728035c6acb43f93326c8ec9f9d5ae54ed8dc7d.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:532
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3432
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3476
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/532-130-0x0000000075C80000-0x0000000075C81000-memory.dmp

    Filesize

    4KB

  • memory/532-131-0x0000000077054000-0x0000000077056000-memory.dmp

    Filesize

    8KB

  • memory/532-135-0x00000000745EE000-0x00000000745EF000-memory.dmp

    Filesize

    4KB

  • memory/532-136-0x0000000000CE0000-0x0000000001388000-memory.dmp

    Filesize

    6.7MB

  • memory/532-137-0x00000000060E0000-0x00000000066F8000-memory.dmp

    Filesize

    6.1MB

  • memory/532-138-0x0000000000C00000-0x0000000000C12000-memory.dmp

    Filesize

    72KB

  • memory/532-139-0x0000000005BD0000-0x0000000005CDA000-memory.dmp

    Filesize

    1.0MB

  • memory/532-140-0x0000000005800000-0x0000000005801000-memory.dmp

    Filesize

    4KB

  • memory/532-141-0x0000000005AC0000-0x0000000005AFC000-memory.dmp

    Filesize

    240KB