Analysis

  • max time kernel
    157s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 04:55

General

  • Target

    ef47cd0866ea91341b4d2abf3a90b76f1b106233d43cb6c48d2a644fd3798902.exe

  • Size

    2.6MB

  • MD5

    4929791acec6252b9b64ac7d706dcc6e

  • SHA1

    ce80dc41663e02c282c69192a8bbc514c11e46b2

  • SHA256

    ef47cd0866ea91341b4d2abf3a90b76f1b106233d43cb6c48d2a644fd3798902

  • SHA512

    45027a45de6bd7a6c08ae73c6e4797daff14c9978cc60cfc3bc8a35982412ae190ecafa2b9ba06ecc9ef2f675d32a89c4367a9b6daf1647411ededbc9d86ae6a

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef47cd0866ea91341b4d2abf3a90b76f1b106233d43cb6c48d2a644fd3798902.exe
    "C:\Users\Admin\AppData\Local\Temp\ef47cd0866ea91341b4d2abf3a90b76f1b106233d43cb6c48d2a644fd3798902.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3268
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4348
  • 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:632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3268-130-0x0000000077430000-0x0000000077431000-memory.dmp

    Filesize

    4KB

  • memory/3268-132-0x0000000077954000-0x0000000077956000-memory.dmp

    Filesize

    8KB

  • memory/3268-133-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

    Filesize

    4KB

  • memory/3268-134-0x0000000000430000-0x0000000000B62000-memory.dmp

    Filesize

    7.2MB

  • memory/3268-135-0x0000000005C50000-0x0000000006268000-memory.dmp

    Filesize

    6.1MB

  • memory/3268-136-0x00000000055C0000-0x00000000055D2000-memory.dmp

    Filesize

    72KB

  • memory/3268-137-0x0000000005740000-0x000000000584A000-memory.dmp

    Filesize

    1.0MB

  • memory/3268-138-0x0000000005620000-0x0000000005621000-memory.dmp

    Filesize

    4KB

  • memory/3268-139-0x0000000005630000-0x000000000566C000-memory.dmp

    Filesize

    240KB

  • memory/4348-140-0x000002255BB90000-0x000002255BBA0000-memory.dmp

    Filesize

    64KB

  • memory/4348-141-0x000002255C120000-0x000002255C130000-memory.dmp

    Filesize

    64KB

  • memory/4348-142-0x000002255E810000-0x000002255E814000-memory.dmp

    Filesize

    16KB