Analysis

  • max time kernel
    159s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 05:03

General

  • Target

    eb4e27f966306ddd68c653f4e1c1f461deb64c32b714bccb350f1410af960f5f.exe

  • Size

    2.9MB

  • MD5

    27326e3e11c155b26b174ad31a111131

  • SHA1

    ca8d631ca4edad09a0d89914e4f109d64e3ce15a

  • SHA256

    eb4e27f966306ddd68c653f4e1c1f461deb64c32b714bccb350f1410af960f5f

  • SHA512

    7ce7ecfa01c23b83003c0c745224855cfda2f3ce9edcb128a61d6b3c50d1cededb17d9e57ed91c4dc380f74a4cdadde74222172fb10777354e05e23bdcc4422c

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb4e27f966306ddd68c653f4e1c1f461deb64c32b714bccb350f1410af960f5f.exe
    "C:\Users\Admin\AppData\Local\Temp\eb4e27f966306ddd68c653f4e1c1f461deb64c32b714bccb350f1410af960f5f.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3992
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2172
  • 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:3740
  • 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:2276

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3992-130-0x0000000075F30000-0x0000000075F31000-memory.dmp

    Filesize

    4KB

  • memory/3992-132-0x0000000077204000-0x0000000077206000-memory.dmp

    Filesize

    8KB

  • memory/3992-133-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/3992-134-0x0000000000B50000-0x000000000130C000-memory.dmp

    Filesize

    7.7MB

  • memory/3992-135-0x0000000005E60000-0x0000000006478000-memory.dmp

    Filesize

    6.1MB

  • memory/3992-136-0x0000000000A70000-0x0000000000A82000-memory.dmp

    Filesize

    72KB

  • memory/3992-137-0x0000000005950000-0x0000000005A5A000-memory.dmp

    Filesize

    1.0MB

  • memory/3992-138-0x0000000005830000-0x0000000005831000-memory.dmp

    Filesize

    4KB

  • memory/3992-139-0x00000000057C0000-0x00000000057FC000-memory.dmp

    Filesize

    240KB