Analysis

  • max time kernel
    171s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 13:50

General

  • Target

    45d009a711f86898927fb52faa5a7ab5a20955c9fc0c44cfc9df2187b8d6dd22.exe

  • Size

    3.2MB

  • MD5

    8ce6f635950c9bc691d7b17bc9fb33af

  • SHA1

    d69e755e1914a4d02642c9ba1cd2eb9447580689

  • SHA256

    45d009a711f86898927fb52faa5a7ab5a20955c9fc0c44cfc9df2187b8d6dd22

  • SHA512

    bd1dbd4b2e63c061060a13fe37500d3ba7e441f0fa16b40c0bc291ed7c8416b6730c12b9f8d0fb56e0200729db9b6fdc1548143208d12aab0935470aaf2833be

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\45d009a711f86898927fb52faa5a7ab5a20955c9fc0c44cfc9df2187b8d6dd22.exe
    "C:\Users\Admin\AppData\Local\Temp\45d009a711f86898927fb52faa5a7ab5a20955c9fc0c44cfc9df2187b8d6dd22.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:2136
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3888
  • 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:3988
  • 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:408

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2136-131-0x0000000076940000-0x0000000076941000-memory.dmp

    Filesize

    4KB

  • memory/2136-132-0x0000000077124000-0x0000000077126000-memory.dmp

    Filesize

    8KB

  • memory/2136-134-0x00000000746BE000-0x00000000746BF000-memory.dmp

    Filesize

    4KB

  • memory/2136-135-0x0000000000120000-0x0000000000A3E000-memory.dmp

    Filesize

    9.1MB

  • memory/2136-136-0x0000000005E30000-0x0000000006448000-memory.dmp

    Filesize

    6.1MB

  • memory/2136-137-0x00000000056B0000-0x00000000056C2000-memory.dmp

    Filesize

    72KB

  • memory/2136-138-0x0000000005810000-0x000000000591A000-memory.dmp

    Filesize

    1.0MB

  • memory/2136-139-0x0000000005800000-0x0000000005801000-memory.dmp

    Filesize

    4KB

  • memory/2136-140-0x0000000005790000-0x00000000057CC000-memory.dmp

    Filesize

    240KB