Resubmissions

11-01-2025 23:09

250111-25hcxstnh1 10

14-12-2024 19:23

241214-x3vs1s1qbz 10

12-12-2024 19:35

241212-yaxycaxkaj 10

Analysis

  • max time kernel
    55s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 19:35

General

  • Target

    f9bf619a41a56cae6b8e6d5b3fb3d3afdd7976745dbe9cc7f90ba4dcadc35d9b.exe

  • Size

    584KB

  • MD5

    c9e985c561be0dd05c190dc70ae3518e

  • SHA1

    ffbcb080efbbd36ebb9f81eded9e63c7f66cab9f

  • SHA256

    f9bf619a41a56cae6b8e6d5b3fb3d3afdd7976745dbe9cc7f90ba4dcadc35d9b

  • SHA512

    f1b10f5bc7bb52bf70a8e083a45a823379b1b4e0ca42e7378a07a06d4b3b8346c4dfbc95575534df9b18445eb5d56a6302d07cd86b6017f422d99dccbfec1ebb

  • SSDEEP

    12288:AgIdCFdSZHZVaeSESmqf6G+SqnTrrEsYGre4YzHix:HYYSZ5VrS3xqTrPFr0c

Malware Config

Extracted

Family

netwire

C2

38.132.124.156:1199

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    12345

  • registry_autorun

    true

  • startup_name

    ronies

  • use_mutex

    false

Signatures

  • NetWire RAT payload 6 IoCs
  • Netwire

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

  • Netwire family
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9bf619a41a56cae6b8e6d5b3fb3d3afdd7976745dbe9cc7f90ba4dcadc35d9b.exe
    "C:\Users\Admin\AppData\Local\Temp\f9bf619a41a56cae6b8e6d5b3fb3d3afdd7976745dbe9cc7f90ba4dcadc35d9b.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Users\Admin\AppData\Local\Temp\service.exe
      "C:\Users\Admin\AppData\Local\Temp\service.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HRgFfvmwT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDEFA.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2656
      • C:\Users\Admin\AppData\Local\Temp\service.exe
        "C:\Users\Admin\AppData\Local\Temp\service.exe"
        3⤵
        • Executes dropped EXE
        PID:2704
      • C:\Users\Admin\AppData\Local\Temp\service.exe
        "C:\Users\Admin\AppData\Local\Temp\service.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1748
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\CPA accountant COVID_19 pandemic relief (20,000$).docx"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2860

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CPA accountant COVID_19 pandemic relief (20,000$).docx

      Filesize

      68KB

      MD5

      f5338a212a363459b7354fd8091d5501

      SHA1

      d5f79a7e7a664147f71dc58988462c51f489e16b

      SHA256

      9a62f34e8c12aeed7a693399f5d17676c9af7b50865f160fc7eb4d709c252583

      SHA512

      e033137c54ce92fec4d51f79d2cc79e6d6335060a1ba1f5ad0d30833749034c0c2c750e9cea9b654b1c36ea6cf67adddb08c0c165f46d75530cf7af1c1d81ab0

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

      Filesize

      1KB

      MD5

      ae722b94b251a6c8958c59a2580bfa13

      SHA1

      3ae5c406f60365d64beb5d5902cc0c56d7e3c4b2

      SHA256

      bf1fcd84838ac76d11f8d7190efa2293e8440a3938a0bfe01c631646d996ed9d

      SHA512

      221c1e5c9b4c0ee75ea8042a159306ac58a8521ddd00cd464285d7fa70d0c91ac9d932c0094dab074eec58bd156cbc22061829db4556d509de4b8367f6c9622f

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\service.exe

      Filesize

      311KB

      MD5

      a69b9cf282c900d55cd7452e039daf41

      SHA1

      0ea752ca500e4b9df336cb4438e7804d3b0186ad

      SHA256

      3e2526d2955b6709532d1a16a221882619690292dce1527a3399a8d704a4c79d

      SHA512

      caa067276632186c0ef2e9bf821ad64aff680645a4d0436dac2cefa7aa99feb76cb6a52e672c325ba51783635388f32cd64c2a69f0aa52c1f8f37ab4d29d1765

    • memory/1748-45-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1748-53-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1748-41-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1748-43-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1748-39-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1748-54-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1748-56-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1748-47-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1748-51-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1748-49-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/2040-22-0x00000000745E0000-0x0000000074B8B000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-23-0x00000000745E0000-0x0000000074B8B000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-57-0x00000000745E0000-0x0000000074B8B000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-21-0x00000000745E1000-0x00000000745E2000-memory.dmp

      Filesize

      4KB

    • memory/3064-25-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3064-24-0x000000002F7D1000-0x000000002F7D2000-memory.dmp

      Filesize

      4KB