Analysis

  • max time kernel
    163s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 05:54

General

  • Target

    d0fb8f0c2ad138a8b8e5c9dc346089bd3216a5758ef23c448ae7abaf44ca99a1.exe

  • Size

    3.1MB

  • MD5

    7b57c3d62f74a9f9074be9595376943c

  • SHA1

    22e2301b1531e328d7e41a9c241c340bf8af5738

  • SHA256

    d0fb8f0c2ad138a8b8e5c9dc346089bd3216a5758ef23c448ae7abaf44ca99a1

  • SHA512

    050b9deb88280d42bf8b49ea6db4de3c634fd4f200b081668f2d53576440a6cb5bbdb95364c07bd2b4757103e5bd83c32addc29b629e345c53d98600f7b9e85e

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • 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 54 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0fb8f0c2ad138a8b8e5c9dc346089bd3216a5758ef23c448ae7abaf44ca99a1.exe
    "C:\Users\Admin\AppData\Local\Temp\d0fb8f0c2ad138a8b8e5c9dc346089bd3216a5758ef23c448ae7abaf44ca99a1.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:332
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3360
  • 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:1760
  • 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:3944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/332-130-0x0000000076310000-0x0000000076311000-memory.dmp
    Filesize

    4KB

  • memory/332-133-0x0000000077C44000-0x0000000077C46000-memory.dmp
    Filesize

    8KB

  • memory/332-134-0x00000000751DE000-0x00000000751DF000-memory.dmp
    Filesize

    4KB

  • memory/332-135-0x0000000000050000-0x000000000095A000-memory.dmp
    Filesize

    9.0MB

  • memory/332-136-0x0000000005CF0000-0x0000000006308000-memory.dmp
    Filesize

    6.1MB

  • memory/332-137-0x00000000056D0000-0x00000000056E2000-memory.dmp
    Filesize

    72KB

  • memory/332-138-0x0000000005800000-0x000000000590A000-memory.dmp
    Filesize

    1.0MB

  • memory/332-139-0x00000000056C0000-0x00000000056C1000-memory.dmp
    Filesize

    4KB

  • memory/332-140-0x0000000005730000-0x000000000576C000-memory.dmp
    Filesize

    240KB