Analysis

  • max time kernel
    177s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 04:51

General

  • Target

    f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe

  • Size

    2.8MB

  • MD5

    61bd5c27bfe4ae8f52f2f348deeca0a3

  • SHA1

    d6b9ffe1cb7779de46713fa3fcaa193d3310546d

  • SHA256

    f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061

  • SHA512

    4a1dc70442d105a6406bebab08e24eb06a98f912ef4f074467f5266f2a6bd164bc0aba9aa527394aef50e783c50399d08854f48bd652cd458ffd16a914a613b1

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\f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe
    "C:\Users\Admin\AppData\Local\Temp\f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1944
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2000
  • 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:3456
  • 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:1104

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1944-130-0x0000000075820000-0x0000000075821000-memory.dmp
    Filesize

    4KB

  • memory/1944-131-0x00000000776A4000-0x00000000776A6000-memory.dmp
    Filesize

    8KB

  • memory/1944-134-0x0000000074C3E000-0x0000000074C3F000-memory.dmp
    Filesize

    4KB

  • memory/1944-135-0x0000000000BF0000-0x0000000001340000-memory.dmp
    Filesize

    7.3MB

  • memory/1944-136-0x00000000067F0000-0x0000000006E08000-memory.dmp
    Filesize

    6.1MB

  • memory/1944-137-0x00000000060F0000-0x0000000006102000-memory.dmp
    Filesize

    72KB

  • memory/1944-138-0x00000000062E0000-0x00000000063EA000-memory.dmp
    Filesize

    1.0MB

  • memory/1944-139-0x00000000061C0000-0x00000000061C1000-memory.dmp
    Filesize

    4KB

  • memory/1944-140-0x0000000006150000-0x000000000618C000-memory.dmp
    Filesize

    240KB