Analysis

  • max time kernel
    136s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2022 14:52

General

  • Target

    9dd709cb989d985a6cfee4a254f894a3b878a03962dbf253cb09a24ece455d58.doc

  • Size

    4.5MB

  • MD5

    3170f2327759079f7c8b609f14c89741

  • SHA1

    f5e92833c79073ee5c3a764492dc40ce8fd0c244

  • SHA256

    9dd709cb989d985a6cfee4a254f894a3b878a03962dbf253cb09a24ece455d58

  • SHA512

    5028416e4d65c4ff507f2b9ad68dc3977232fb1fcdad383d379d1abdd3610187eb545a28b9780927658a0b8e1124982e3513a7f07e062bfce41d07e700bc9309

Malware Config

Signatures

  • NetWire RAT payload 1 IoCs
  • Netwire

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

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\9dd709cb989d985a6cfee4a254f894a3b878a03962dbf253cb09a24ece455d58.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\AppData\Roaming\MsiDb.exe
      C:\Users\Admin\AppData\Roaming\MsiDb.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:364
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:1640
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
          • Blocklisted process makes network request
          • Drops file in Windows directory
          PID:3636

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\MsiDb.exe
    Filesize

    150KB

    MD5

    88f4af07ca066060abc8db7e838f2feb

    SHA1

    d292822e4119a5a73a8b3cea7ac4beac6cf21829

    SHA256

    bd231d6b6559ba2d6cf33b7ee55ac038f8007544775e3864d4423aa5773346ef

    SHA512

    e8a940379b0ecf2d192eec3880b4685c19ff672f9c3c022eac9549dc8ded136c5760ac9e210747bec60fabe98a48d547940c508a70367d8a6e91717c8acbb07b

  • C:\Users\Admin\AppData\Roaming\MsiDb.exe
    Filesize

    150KB

    MD5

    88f4af07ca066060abc8db7e838f2feb

    SHA1

    d292822e4119a5a73a8b3cea7ac4beac6cf21829

    SHA256

    bd231d6b6559ba2d6cf33b7ee55ac038f8007544775e3864d4423aa5773346ef

    SHA512

    e8a940379b0ecf2d192eec3880b4685c19ff672f9c3c022eac9549dc8ded136c5760ac9e210747bec60fabe98a48d547940c508a70367d8a6e91717c8acbb07b

  • C:\Users\Admin\AppData\Roaming\cs16.cfg
    Filesize

    1KB

    MD5

    5e978b9b90817186ade0e1460dd96cc2

    SHA1

    441ac328c8ba907f16b49a310bb0a137c29537e6

    SHA256

    6ed65beb692301af5296ba6751063ae40e91c4e69ced43560c67ce58165c36b5

    SHA512

    dfa9d4112273f607830d044ef6eae7215ecd2dfd5a9cdaffc498753dee66438b5d2fd46eedcc55c02334ab3f07af89d6d785ee4f9ca3076fb3ffb59793068353

  • C:\Users\Admin\AppData\Roaming\cs16.wav
    Filesize

    36KB

    MD5

    0bd497e905a9ebd04eb0ec6adaf27a23

    SHA1

    3b116c5ad39439994245e1a0b64d1fe7ff156ab9

    SHA256

    0c8c431a1f589fdcf453c7afada63c2e2e2a887e49abdbb222983fa6044fdf66

    SHA512

    96b42ee35b122b06e03c484e30752987e70e914badf931f66a43cc8eb5c807835c09e2ae8164edc311f2985341acd601996e3d81e8f0a699272fda9a157028b4

  • C:\Users\Admin\AppData\Roaming\msi.dll
    Filesize

    3.7MB

    MD5

    798dc380c028f41fd22b80236dd431dc

    SHA1

    287f7c9a75a62a90268890d671202b10bcf8bfa2

    SHA256

    16227f50bbe42a13a2abf0bf0e146f356863de59525c54909ea8ccc2db448f77

    SHA512

    6666a9e3553bc42a091194499009cbff3ce06fe78b64b49f34b02d324bfb4d9b09d029aa664e402507cb5fbc27517ab8fe47677d9d84f0b4516936047e443bfa

  • C:\Users\Admin\AppData\Roaming\msi.dll
    Filesize

    3.7MB

    MD5

    798dc380c028f41fd22b80236dd431dc

    SHA1

    287f7c9a75a62a90268890d671202b10bcf8bfa2

    SHA256

    16227f50bbe42a13a2abf0bf0e146f356863de59525c54909ea8ccc2db448f77

    SHA512

    6666a9e3553bc42a091194499009cbff3ce06fe78b64b49f34b02d324bfb4d9b09d029aa664e402507cb5fbc27517ab8fe47677d9d84f0b4516936047e443bfa

  • C:\Users\Admin\AppData\Roaming\paper.png
    Filesize

    455KB

    MD5

    7f475e0a758f41e48645282ed799e29d

    SHA1

    43a85c79f63fc33e2062a45b2ec333c58130a752

    SHA256

    09f26f3776c630337688c765ad554c1b817c8c920c8afbd6607a0e56b50b2841

    SHA512

    a43c556a73838d4438ec50c1b7fbbe0cc23641f0e45afc7be63a861d2882a81505861d347110557e90c862fc45749c59683c768b7c04015396095a7c2e6ca0b9

  • memory/364-158-0x0000000000F3F000-0x0000000000F49000-memory.dmp
    Filesize

    40KB

  • memory/364-144-0x0000000000F3F000-0x0000000000F49000-memory.dmp
    Filesize

    40KB

  • memory/364-137-0x0000000000000000-mapping.dmp
  • memory/1640-148-0x0000000005E90000-0x0000000005ED0000-memory.dmp
    Filesize

    256KB

  • memory/1640-150-0x0000000005E98000-0x0000000005EA8000-memory.dmp
    Filesize

    64KB

  • memory/1640-149-0x00007FF82C290000-0x00007FF82C485000-memory.dmp
    Filesize

    2.0MB

  • memory/1640-147-0x00000000008E0000-0x00000000008E8000-memory.dmp
    Filesize

    32KB

  • memory/1640-145-0x0000000000000000-mapping.dmp
  • memory/3636-151-0x0000000000000000-mapping.dmp
  • memory/3636-152-0x00007FF82C290000-0x00007FF82C485000-memory.dmp
    Filesize

    2.0MB

  • memory/3636-153-0x0000000000A40000-0x0000000000A49000-memory.dmp
    Filesize

    36KB

  • memory/3932-133-0x00007FF7EC310000-0x00007FF7EC320000-memory.dmp
    Filesize

    64KB

  • memory/3932-132-0x00007FF7EC310000-0x00007FF7EC320000-memory.dmp
    Filesize

    64KB

  • memory/3932-134-0x00007FF7EC310000-0x00007FF7EC320000-memory.dmp
    Filesize

    64KB

  • memory/3932-130-0x00007FF7EC310000-0x00007FF7EC320000-memory.dmp
    Filesize

    64KB

  • memory/3932-135-0x00007FF7E9F60000-0x00007FF7E9F70000-memory.dmp
    Filesize

    64KB

  • memory/3932-136-0x00007FF7E9F60000-0x00007FF7E9F70000-memory.dmp
    Filesize

    64KB

  • memory/3932-131-0x00007FF7EC310000-0x00007FF7EC320000-memory.dmp
    Filesize

    64KB