Analysis

  • max time kernel
    154s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 05:19

General

  • Target

    e2f7bcd1daac067dbf331d25be08b63d9577cb4246e7f8ee39181d91420a2a52.exe

  • Size

    2.7MB

  • MD5

    3059f6b1e936e93c7d7a2e3ca9d8bc10

  • SHA1

    7842de9af38f52b75b990a1490dc6e8e7d4045a8

  • SHA256

    e2f7bcd1daac067dbf331d25be08b63d9577cb4246e7f8ee39181d91420a2a52

  • SHA512

    94e68d80113b830911b9ec5dc4bc2485cfcf87d103d20276c122a22a1c77b1b11d7be328a5e4cf50a3c2cea4088cc8041b8e28b0c6f2f192b846ce09f991c6ad

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 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 2 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\e2f7bcd1daac067dbf331d25be08b63d9577cb4246e7f8ee39181d91420a2a52.exe
    "C:\Users\Admin\AppData\Local\Temp\e2f7bcd1daac067dbf331d25be08b63d9577cb4246e7f8ee39181d91420a2a52.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1600
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:428
  • 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:1784
  • 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:2964

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/1600-130-0x0000000076130000-0x0000000076131000-memory.dmp
    Filesize

    4KB

  • memory/1600-131-0x00000000772A4000-0x00000000772A6000-memory.dmp
    Filesize

    8KB

  • memory/1600-135-0x000000007483E000-0x000000007483F000-memory.dmp
    Filesize

    4KB

  • memory/1600-136-0x00000000008B0000-0x0000000000FAE000-memory.dmp
    Filesize

    7.0MB

  • memory/1600-137-0x00000000008B0000-0x0000000000FAE000-memory.dmp
    Filesize

    7.0MB

  • memory/1600-138-0x00000000064A0000-0x0000000006AB8000-memory.dmp
    Filesize

    6.1MB

  • memory/1600-139-0x0000000003C40000-0x0000000003C52000-memory.dmp
    Filesize

    72KB

  • memory/1600-140-0x0000000005F90000-0x000000000609A000-memory.dmp
    Filesize

    1.0MB

  • memory/1600-141-0x0000000005E70000-0x0000000005E71000-memory.dmp
    Filesize

    4KB

  • memory/1600-142-0x00000000019A0000-0x00000000019DC000-memory.dmp
    Filesize

    240KB