Analysis

  • max time kernel
    166s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 14:28

General

  • Target

    32e00ac923efd525db2bb8a2f820350c114e25a8960403a004a134aeab08c1bf.exe

  • Size

    2.8MB

  • MD5

    7c21d6493161c1669455021f93e99969

  • SHA1

    992556a5cc0d319f059dbcd660e08c6cf3395542

  • SHA256

    32e00ac923efd525db2bb8a2f820350c114e25a8960403a004a134aeab08c1bf

  • SHA512

    23a6cc77e1ea3f215cde65ddcdc7851aed1c8b2a15c01085696853061d2690c6fa302302117f867b7ee68c7f08d94e8bed20f510aaf46e11c6ef1f33a4c324b2

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\32e00ac923efd525db2bb8a2f820350c114e25a8960403a004a134aeab08c1bf.exe
    "C:\Users\Admin\AppData\Local\Temp\32e00ac923efd525db2bb8a2f820350c114e25a8960403a004a134aeab08c1bf.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3276
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2544
  • 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:2396
  • 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:992

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/3276-130-0x0000000076130000-0x0000000076131000-memory.dmp
    Filesize

    4KB

  • memory/3276-133-0x00000000772A4000-0x00000000772A6000-memory.dmp
    Filesize

    8KB

  • memory/3276-134-0x000000007483E000-0x000000007483F000-memory.dmp
    Filesize

    4KB

  • memory/3276-135-0x00000000009E0000-0x0000000001126000-memory.dmp
    Filesize

    7.3MB

  • memory/3276-136-0x00000000061A0000-0x00000000067B8000-memory.dmp
    Filesize

    6.1MB

  • memory/3276-137-0x0000000005B40000-0x0000000005B52000-memory.dmp
    Filesize

    72KB

  • memory/3276-138-0x0000000005D90000-0x0000000005E9A000-memory.dmp
    Filesize

    1.0MB

  • memory/3276-139-0x0000000005B70000-0x0000000005B71000-memory.dmp
    Filesize

    4KB

  • memory/3276-140-0x00000000012A0000-0x00000000012DC000-memory.dmp
    Filesize

    240KB