Analysis

  • max time kernel
    156s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 14:12

General

  • Target

    3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe

  • Size

    2.7MB

  • MD5

    8fc5b1d23387ca0b0e1ddda4cb417708

  • SHA1

    5790d8fddd8bb23cb48702ec8ccefb8c8f8a9731

  • SHA256

    3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530

  • SHA512

    63421f40eeff59749e1d5e6aaf043cd1917fcd5ab6f261396a2d3b90e37825cf756b556986c825a18615202d1fa5a8c9e38e7d89ad97170dbdf4cd877c5a502a

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe
    "C:\Users\Admin\AppData\Local\Temp\3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:864
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
    1⤵
    • Checks processor information in registry
    PID:60
  • 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:400
  • 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:1596

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/864-130-0x00000000779A0000-0x00000000779A1000-memory.dmp
    Filesize

    4KB

  • memory/864-133-0x0000000077E74000-0x0000000077E76000-memory.dmp
    Filesize

    8KB

  • memory/864-134-0x000000007536E000-0x000000007536F000-memory.dmp
    Filesize

    4KB

  • memory/864-135-0x0000000000DB0000-0x00000000014E2000-memory.dmp
    Filesize

    7.2MB

  • memory/864-136-0x0000000005E60000-0x0000000006478000-memory.dmp
    Filesize

    6.1MB

  • memory/864-137-0x0000000000830000-0x0000000000842000-memory.dmp
    Filesize

    72KB

  • memory/864-138-0x0000000005840000-0x000000000594A000-memory.dmp
    Filesize

    1.0MB

  • memory/864-139-0x0000000005630000-0x0000000005631000-memory.dmp
    Filesize

    4KB

  • memory/864-140-0x0000000000890000-0x00000000008CC000-memory.dmp
    Filesize

    240KB