Analysis

  • max time kernel
    288s
  • max time network
    293s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-07-2022 14:27

General

  • Target

    4328753e0685f48e5ee0e212e5bafbce11c43fb2aaa37a0b4d9fa6303d89e29d.exe

  • Size

    1.1MB

  • MD5

    4388de7dad58c945135233312a05daa8

  • SHA1

    2a6f646402485d6e54e95bcffdbd632d8b433298

  • SHA256

    4328753e0685f48e5ee0e212e5bafbce11c43fb2aaa37a0b4d9fa6303d89e29d

  • SHA512

    e23e4c7f45640ce08fca109ed9c45c83510d4b0f31a25001eade3da9a73ddc33e39eaa192160b5337c496a161be32231544e7604da35a8280fd316938f15061a

Malware Config

Extracted

Family

netwire

C2

xman2.duckdns.org:4433

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 4 IoCs
  • Netwire

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4328753e0685f48e5ee0e212e5bafbce11c43fb2aaa37a0b4d9fa6303d89e29d.exe
    "C:\Users\Admin\AppData\Local\Temp\4328753e0685f48e5ee0e212e5bafbce11c43fb2aaa37a0b4d9fa6303d89e29d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zgnciRUYxN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4512
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zgnciRUYxN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp48F0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4644
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      2⤵
        PID:3708

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp48F0.tmp

      Filesize

      1KB

      MD5

      995bd9103a7328f1e2ef6bc44f550e2d

      SHA1

      8fd929782676bdd6df69d6fbe1648dfc3d7b5407

      SHA256

      68e1b2d2eecdc6d08c070b295b6fafa59f1103f7d53fbd1d7d590220827d6ed6

      SHA512

      afced57fb4a6886ec18abe5305740fad85f3847883783e68bb3377e5abd7aaffc5748b8944e33979516686d56f3b887e32d331e4c373b4a0dd8e4ee56bf9bb98

    • memory/3708-141-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/3708-135-0x0000000000000000-mapping.dmp

    • memory/3708-136-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/3708-137-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/3708-138-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/4504-140-0x00000000747A0000-0x0000000074D51000-memory.dmp

      Filesize

      5.7MB

    • memory/4504-131-0x00000000747A0000-0x0000000074D51000-memory.dmp

      Filesize

      5.7MB

    • memory/4504-130-0x00000000747A0000-0x0000000074D51000-memory.dmp

      Filesize

      5.7MB

    • memory/4512-142-0x0000000005290000-0x00000000058B8000-memory.dmp

      Filesize

      6.2MB

    • memory/4512-148-0x0000000072560000-0x00000000725AC000-memory.dmp

      Filesize

      304KB

    • memory/4512-156-0x00000000074E0000-0x00000000074E8000-memory.dmp

      Filesize

      32KB

    • memory/4512-132-0x0000000000000000-mapping.dmp

    • memory/4512-143-0x0000000005010000-0x0000000005032000-memory.dmp

      Filesize

      136KB

    • memory/4512-144-0x00000000051B0000-0x0000000005216000-memory.dmp

      Filesize

      408KB

    • memory/4512-145-0x00000000058C0000-0x0000000005926000-memory.dmp

      Filesize

      408KB

    • memory/4512-146-0x0000000005EB0000-0x0000000005ECE000-memory.dmp

      Filesize

      120KB

    • memory/4512-147-0x0000000006470000-0x00000000064A2000-memory.dmp

      Filesize

      200KB

    • memory/4512-139-0x0000000002590000-0x00000000025C6000-memory.dmp

      Filesize

      216KB

    • memory/4512-149-0x0000000006450000-0x000000000646E000-memory.dmp

      Filesize

      120KB

    • memory/4512-150-0x0000000007800000-0x0000000007E7A000-memory.dmp

      Filesize

      6.5MB

    • memory/4512-151-0x00000000071C0000-0x00000000071DA000-memory.dmp

      Filesize

      104KB

    • memory/4512-152-0x0000000007230000-0x000000000723A000-memory.dmp

      Filesize

      40KB

    • memory/4512-153-0x0000000007440000-0x00000000074D6000-memory.dmp

      Filesize

      600KB

    • memory/4512-154-0x00000000073F0000-0x00000000073FE000-memory.dmp

      Filesize

      56KB

    • memory/4512-155-0x0000000007500000-0x000000000751A000-memory.dmp

      Filesize

      104KB

    • memory/4644-133-0x0000000000000000-mapping.dmp