Analysis

  • max time kernel
    179s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 14:01

General

  • Target

    40b8be16a470f1c1b02d15c52225e92125db6a783c564ed5143cf7cc1d077bcb.exe

  • Size

    3.0MB

  • MD5

    e7289ec89b9926f19ed381f3d43b548a

  • SHA1

    7ef45f8d8dab80c9c11a7ac5336f7c7d86bca7aa

  • SHA256

    40b8be16a470f1c1b02d15c52225e92125db6a783c564ed5143cf7cc1d077bcb

  • SHA512

    00d02dff0a728faa8a66d984132bc22eb0ad6242f7e834e536c4818229cdab34f3f2a1131480d9ce7b8d9ec5d1f01d430d2b2d2f9a2acd89b6663f051744a766

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\40b8be16a470f1c1b02d15c52225e92125db6a783c564ed5143cf7cc1d077bcb.exe
    "C:\Users\Admin\AppData\Local\Temp\40b8be16a470f1c1b02d15c52225e92125db6a783c564ed5143cf7cc1d077bcb.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3300
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:740
  • 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:372
  • 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:2732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3300-133-0x0000000077280000-0x0000000077281000-memory.dmp

    Filesize

    4KB

  • memory/3300-134-0x00000000773D4000-0x00000000773D6000-memory.dmp

    Filesize

    8KB

  • memory/3300-136-0x000000007496E000-0x000000007496F000-memory.dmp

    Filesize

    4KB

  • memory/3300-137-0x0000000000F60000-0x000000000173C000-memory.dmp

    Filesize

    7.9MB

  • memory/3300-138-0x0000000006930000-0x0000000006F48000-memory.dmp

    Filesize

    6.1MB

  • memory/3300-139-0x0000000006370000-0x0000000006382000-memory.dmp

    Filesize

    72KB

  • memory/3300-140-0x00000000064A0000-0x00000000065AA000-memory.dmp

    Filesize

    1.0MB

  • memory/3300-141-0x0000000006300000-0x0000000006301000-memory.dmp

    Filesize

    4KB

  • memory/3300-142-0x0000000001E80000-0x0000000001EBC000-memory.dmp

    Filesize

    240KB