Analysis

  • max time kernel
    176s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 07:03

General

  • Target

    b029a628c121deaf4ebcd1563b3c13c9f9b51e552653585b72ef64555908615b.exe

  • Size

    3.1MB

  • MD5

    900607f69ec9c34f00940343893dd7f3

  • SHA1

    9a85c32e0eeebe61c4ad4a10e77cafd15eea2c60

  • SHA256

    b029a628c121deaf4ebcd1563b3c13c9f9b51e552653585b72ef64555908615b

  • SHA512

    59109db18fedd63bab1cf5ac3de4a0c43e65fa83f7a0e712422699c05ffd684aed3577663259b1ed3d4c52e0c035ff621d22fa4a1400be59b3ae5d0d73740e78

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 2 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 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b029a628c121deaf4ebcd1563b3c13c9f9b51e552653585b72ef64555908615b.exe
    "C:\Users\Admin\AppData\Local\Temp\b029a628c121deaf4ebcd1563b3c13c9f9b51e552653585b72ef64555908615b.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:2376
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3608
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Modifies data under HKEY_USERS
    PID:2500
  • 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:3408

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/2376-130-0x0000000075200000-0x0000000075201000-memory.dmp
    Filesize

    4KB

  • memory/2376-131-0x0000000075200000-0x0000000075201000-memory.dmp
    Filesize

    4KB

  • memory/2376-132-0x0000000077204000-0x0000000077206000-memory.dmp
    Filesize

    8KB

  • memory/2376-135-0x000000007479E000-0x000000007479F000-memory.dmp
    Filesize

    4KB

  • memory/2376-136-0x0000000000B70000-0x0000000001296000-memory.dmp
    Filesize

    7.1MB

  • memory/2376-137-0x0000000006280000-0x0000000006898000-memory.dmp
    Filesize

    6.1MB

  • memory/2376-138-0x0000000001800000-0x0000000001812000-memory.dmp
    Filesize

    72KB

  • memory/2376-139-0x0000000005D70000-0x0000000005E7A000-memory.dmp
    Filesize

    1.0MB

  • memory/2376-140-0x0000000001820000-0x0000000001821000-memory.dmp
    Filesize

    4KB

  • memory/2376-141-0x0000000005C60000-0x0000000005C9C000-memory.dmp
    Filesize

    240KB