Analysis

  • max time kernel
    181s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 13:22

General

  • Target

    5403cf7c3553e260e110b2061b00cda6ed1c2fbf39485da32a6f0df48ba90bdc.exe

  • Size

    3.2MB

  • MD5

    0af901afbf8accf27346044644c69083

  • SHA1

    12d743eef35e8d1eb2abc79cf48906a5860c973a

  • SHA256

    5403cf7c3553e260e110b2061b00cda6ed1c2fbf39485da32a6f0df48ba90bdc

  • SHA512

    88b56edfff5a2538c64f3598687c640c72ae49e7608522ab8f1aca4a3bbbb65e66966c5c7b9f17c8a6b0a28ac473f852a3ae5bab1b64a0c0fa424d4b35150a81

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 4 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\5403cf7c3553e260e110b2061b00cda6ed1c2fbf39485da32a6f0df48ba90bdc.exe
    "C:\Users\Admin\AppData\Local\Temp\5403cf7c3553e260e110b2061b00cda6ed1c2fbf39485da32a6f0df48ba90bdc.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:2112
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1120
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:312
  • 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:4048
  • 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:1324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2112-130-0x00000000768C0000-0x00000000768C1000-memory.dmp

    Filesize

    4KB

  • memory/2112-131-0x0000000077AB4000-0x0000000077AB6000-memory.dmp

    Filesize

    8KB

  • memory/2112-135-0x000000007504E000-0x000000007504F000-memory.dmp

    Filesize

    4KB

  • memory/2112-136-0x00000000009A0000-0x000000000114C000-memory.dmp

    Filesize

    7.7MB

  • memory/2112-137-0x0000000006100000-0x0000000006718000-memory.dmp

    Filesize

    6.1MB

  • memory/2112-138-0x00000000014F0000-0x0000000001502000-memory.dmp

    Filesize

    72KB

  • memory/2112-139-0x0000000005AE0000-0x0000000005BEA000-memory.dmp

    Filesize

    1.0MB

  • memory/2112-140-0x0000000005AD0000-0x0000000005AD1000-memory.dmp

    Filesize

    4KB