Analysis

  • max time kernel
    127s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    17/02/2022, 02:48

General

  • Target

    5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe

  • Size

    132KB

  • MD5

    ef27e69c697d6b8767abadeb2bc32ea8

  • SHA1

    eb9b3a37df4cc57dd56d589cb2c6053e1826b23a

  • SHA256

    5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397

  • SHA512

    1bf06807fb6dcf80e56694b125d609ad1868014ea3ebeeaa5997460e88e0e0b02882d45bef582b21d734122101e775a85ec610f80a3994ecd4ba78027bd5b18b

Malware Config

Signatures

  • NetWire RAT payload 2 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe
    "C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:408
    • C:\Users\Admin\AppData\Roaming\Install\Host.exe
      "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:1304
  • 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:992
  • 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:2528

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/992-132-0x000002753B160000-0x000002753B170000-memory.dmp

          Filesize

          64KB

        • memory/992-133-0x000002753B720000-0x000002753B730000-memory.dmp

          Filesize

          64KB

        • memory/992-134-0x000002753DDE0000-0x000002753DDE4000-memory.dmp

          Filesize

          16KB