Analysis

  • max time kernel
    173s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 14:51

General

  • Target

    26a470850db7daa36b8194cc87a6b4814ad548fbfe71a687c20eba0c458339dd.exe

  • Size

    2.9MB

  • MD5

    afcbc5f069308a891dd7210cba20cb5c

  • SHA1

    c4bc9cd61e0d40e8d87a357649b9e9fdb6a55d3e

  • SHA256

    26a470850db7daa36b8194cc87a6b4814ad548fbfe71a687c20eba0c458339dd

  • SHA512

    0132a375856956a28f6d411552dd84b0af09608877181d6d3ee972ac8ce1306cba9764520da94ad76188cc0b108562c3756a415ca38e3eafd1b37ccd03999f40

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\26a470850db7daa36b8194cc87a6b4814ad548fbfe71a687c20eba0c458339dd.exe
    "C:\Users\Admin\AppData\Local\Temp\26a470850db7daa36b8194cc87a6b4814ad548fbfe71a687c20eba0c458339dd.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1744
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3516
  • 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:3368
  • 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:3476

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1744-130-0x00000000767D0000-0x00000000767D1000-memory.dmp

    Filesize

    4KB

  • memory/1744-131-0x00000000767D0000-0x00000000767D1000-memory.dmp

    Filesize

    4KB

  • memory/1744-132-0x0000000077A74000-0x0000000077A76000-memory.dmp

    Filesize

    8KB

  • memory/1744-135-0x000000007500E000-0x000000007500F000-memory.dmp

    Filesize

    4KB

  • memory/1744-136-0x0000000000750000-0x0000000000EBE000-memory.dmp

    Filesize

    7.4MB

  • memory/1744-137-0x00000000062E0000-0x00000000068F8000-memory.dmp

    Filesize

    6.1MB

  • memory/1744-138-0x0000000001610000-0x0000000001622000-memory.dmp

    Filesize

    72KB

  • memory/1744-139-0x0000000005DD0000-0x0000000005EDA000-memory.dmp

    Filesize

    1.0MB

  • memory/1744-140-0x0000000005CB0000-0x0000000005CB1000-memory.dmp

    Filesize

    4KB

  • memory/1744-141-0x00000000030F0000-0x000000000312C000-memory.dmp

    Filesize

    240KB