Analysis

  • max time kernel
    151s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 13:25

General

  • Target

    5220eb2b8f2566161339033ee399b1d8b4bb80acd1dd747f5347e9c9a15bf342.exe

  • Size

    2.6MB

  • MD5

    543f234b86050880870b84b1c0c70562

  • SHA1

    4c9584be43ea63835be7651bb93f6d2f2b2f147b

  • SHA256

    5220eb2b8f2566161339033ee399b1d8b4bb80acd1dd747f5347e9c9a15bf342

  • SHA512

    cdd601e6bde5578f8b0a3d28e3b623c010a4425c85ab22c3eec3477fd1fee67b440f14fd4112e4d28ececc22780277c6726e15a193d58a0c4522b3a7864d90a6

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\5220eb2b8f2566161339033ee399b1d8b4bb80acd1dd747f5347e9c9a15bf342.exe
    "C:\Users\Admin\AppData\Local\Temp\5220eb2b8f2566161339033ee399b1d8b4bb80acd1dd747f5347e9c9a15bf342.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3336
  • 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:1616
  • 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:1124

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1616-143-0x000001EFE2920000-0x000001EFE2930000-memory.dmp

    Filesize

    64KB

  • memory/1616-145-0x000001EFE5040000-0x000001EFE5044000-memory.dmp

    Filesize

    16KB

  • memory/1616-144-0x000001EFE2980000-0x000001EFE2990000-memory.dmp

    Filesize

    64KB

  • memory/3336-138-0x00000000069B0000-0x0000000006FC8000-memory.dmp

    Filesize

    6.1MB

  • memory/3336-136-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

    Filesize

    4KB

  • memory/3336-137-0x0000000000E90000-0x0000000001584000-memory.dmp

    Filesize

    7.0MB

  • memory/3336-130-0x00000000764B0000-0x00000000764B1000-memory.dmp

    Filesize

    4KB

  • memory/3336-139-0x0000000006340000-0x0000000006352000-memory.dmp

    Filesize

    72KB

  • memory/3336-140-0x00000000064A0000-0x00000000065AA000-memory.dmp

    Filesize

    1.0MB

  • memory/3336-141-0x00000000063D0000-0x000000000640C000-memory.dmp

    Filesize

    240KB

  • memory/3336-142-0x0000000006380000-0x0000000006381000-memory.dmp

    Filesize

    4KB

  • memory/3336-135-0x0000000077674000-0x0000000077676000-memory.dmp

    Filesize

    8KB

  • memory/3336-134-0x00000000764B0000-0x00000000764B1000-memory.dmp

    Filesize

    4KB

  • memory/3336-131-0x00000000764B0000-0x00000000764B1000-memory.dmp

    Filesize

    4KB