Analysis

  • max time kernel
    164s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 07:08

General

  • Target

    adb0723bc2ae9ac441f4889fe4983ae70b1187346ee81119af7b5bdc59415beb.exe

  • Size

    3.1MB

  • MD5

    1e6cff82ce2d682a01fa982c75f3b8f6

  • SHA1

    bb963b7256c5787d1c0787624f6bd2364dbfbf55

  • SHA256

    adb0723bc2ae9ac441f4889fe4983ae70b1187346ee81119af7b5bdc59415beb

  • SHA512

    3708572494729bdbd8662cf447f367893cb4d6844d247c4819c530b6cf3a3407cfeaa5ae790e40081b6c7cc7fc54f1424979192dde44f29dfc525ffed54368a2

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\adb0723bc2ae9ac441f4889fe4983ae70b1187346ee81119af7b5bdc59415beb.exe
    "C:\Users\Admin\AppData\Local\Temp\adb0723bc2ae9ac441f4889fe4983ae70b1187346ee81119af7b5bdc59415beb.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:2588
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1304
  • 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:3452
  • 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:3376

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2588-130-0x0000000075B70000-0x0000000075B71000-memory.dmp

    Filesize

    4KB

  • memory/2588-131-0x00000000779B4000-0x00000000779B6000-memory.dmp

    Filesize

    8KB

  • memory/2588-134-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

    Filesize

    4KB

  • memory/2588-135-0x0000000000D10000-0x0000000001612000-memory.dmp

    Filesize

    9.0MB

  • memory/2588-136-0x0000000000D10000-0x0000000001612000-memory.dmp

    Filesize

    9.0MB

  • memory/2588-137-0x00000000061B0000-0x00000000067C8000-memory.dmp

    Filesize

    6.1MB

  • memory/2588-138-0x0000000005A80000-0x0000000005A92000-memory.dmp

    Filesize

    72KB

  • memory/2588-139-0x0000000005CA0000-0x0000000005DAA000-memory.dmp

    Filesize

    1.0MB

  • memory/2588-140-0x0000000005B80000-0x0000000005B81000-memory.dmp

    Filesize

    4KB

  • memory/2588-141-0x0000000005AE0000-0x0000000005B1C000-memory.dmp

    Filesize

    240KB