Analysis

  • max time kernel
    172s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 06:24

General

  • Target

    c23f029198fa3a3870186beedaa56e5d932c091ab3fa28a8e15db30de840f04e.exe

  • Size

    2.4MB

  • MD5

    46462ba698b2fc730238973d465e6849

  • SHA1

    48e116c02759775b9c16c54da22b81c377943a47

  • SHA256

    c23f029198fa3a3870186beedaa56e5d932c091ab3fa28a8e15db30de840f04e

  • SHA512

    cd184f0848a8de7be4842bb8c4d9fef3012de2d9891623f2560ed1934ce80117c7053fd2b04a93347aaf998235e75c1a2b168559009a9ea37c05908e603b09d9

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c23f029198fa3a3870186beedaa56e5d932c091ab3fa28a8e15db30de840f04e.exe
    "C:\Users\Admin\AppData\Local\Temp\c23f029198fa3a3870186beedaa56e5d932c091ab3fa28a8e15db30de840f04e.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3248
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:536
  • 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:3784
  • 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:3404

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3248-130-0x0000000076940000-0x0000000076941000-memory.dmp

    Filesize

    4KB

  • memory/3248-133-0x0000000077124000-0x0000000077126000-memory.dmp

    Filesize

    8KB

  • memory/3248-134-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/3248-135-0x0000000000370000-0x0000000000A3C000-memory.dmp

    Filesize

    6.8MB

  • memory/3248-136-0x0000000006150000-0x0000000006768000-memory.dmp

    Filesize

    6.1MB

  • memory/3248-137-0x0000000005A70000-0x0000000005A82000-memory.dmp

    Filesize

    72KB

  • memory/3248-138-0x0000000005C40000-0x0000000005D4A000-memory.dmp

    Filesize

    1.0MB

  • memory/3248-139-0x0000000005B20000-0x0000000005B21000-memory.dmp

    Filesize

    4KB

  • memory/3248-140-0x0000000005AD0000-0x0000000005B0C000-memory.dmp

    Filesize

    240KB