Analysis

  • max time kernel
    165s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 07:45

General

  • Target

    9c51fac51a3868e74677846c5b5a7f4a2dc35ef1dd9bb3a6e7104987bf75ff9e.exe

  • Size

    3.0MB

  • MD5

    2e2a0de7a60e907ffda9f16ec49f66c1

  • SHA1

    4d346214a6fd67b35e837b397a4ba51d79dd20e0

  • SHA256

    9c51fac51a3868e74677846c5b5a7f4a2dc35ef1dd9bb3a6e7104987bf75ff9e

  • SHA512

    e1b98838783a3ba1e3dcafac62f4362b0e29e450e9d33983f6f81246299f2e5cef90fa23fd5de98918a6d19f8a9eb08d778c14b88af92009bf318443bca3c012

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\9c51fac51a3868e74677846c5b5a7f4a2dc35ef1dd9bb3a6e7104987bf75ff9e.exe
    "C:\Users\Admin\AppData\Local\Temp\9c51fac51a3868e74677846c5b5a7f4a2dc35ef1dd9bb3a6e7104987bf75ff9e.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:2252
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:400
  • 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:3348
  • 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:3224

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/2252-130-0x0000000076D70000-0x0000000076D71000-memory.dmp
    Filesize

    4KB

  • memory/2252-132-0x0000000077C54000-0x0000000077C56000-memory.dmp
    Filesize

    8KB

  • memory/2252-133-0x00000000751EE000-0x00000000751EF000-memory.dmp
    Filesize

    4KB

  • memory/2252-134-0x00000000003A0000-0x0000000000AA2000-memory.dmp
    Filesize

    7.0MB

  • memory/2252-135-0x0000000005FF0000-0x0000000006608000-memory.dmp
    Filesize

    6.1MB

  • memory/2252-136-0x0000000005860000-0x0000000005872000-memory.dmp
    Filesize

    72KB

  • memory/2252-137-0x00000000059D0000-0x0000000005ADA000-memory.dmp
    Filesize

    1.0MB

  • memory/2252-138-0x00000000059C0000-0x00000000059C1000-memory.dmp
    Filesize

    4KB

  • memory/2252-139-0x00000000058C0000-0x00000000058FC000-memory.dmp
    Filesize

    240KB