Analysis

  • max time kernel
    92s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 05:15

General

  • Target

    f3438db78ebfcb00e9fe513b5c6930b0369db2e983ec3c54c2d5615c03b81f30N.exe

  • Size

    824KB

  • MD5

    a1d28fc46f72dd280e8599351030f220

  • SHA1

    c52616038e1990f525f70e4baaba4240683ad547

  • SHA256

    f3438db78ebfcb00e9fe513b5c6930b0369db2e983ec3c54c2d5615c03b81f30

  • SHA512

    6762b2cf4f3ac73930da76f6329f4cedc746cbd2ebcbdc099bbc5c61743496a9c8530eccc26d4eaa95d228dc159a98efed69c5018f9ee319a7569311afd1e6c0

  • SSDEEP

    24576:Z7X5cwltdWOI/5HGR26MRe3WmIYcDCg6shpGBmez/ra:d7g/1GRP3WtCgLh8ra

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 4 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3438db78ebfcb00e9fe513b5c6930b0369db2e983ec3c54c2d5615c03b81f30N.exe
    "C:\Users\Admin\AppData\Local\Temp\f3438db78ebfcb00e9fe513b5c6930b0369db2e983ec3c54c2d5615c03b81f30N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Program Files (x86)\²¥·ÅÆ÷\bobo.exe
      "C:\Program Files (x86)\²¥·ÅÆ÷\bobo.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4224
    • C:\Windows\SysWOW64\wscript.exe
      wscript.exe /nologo "C:\Users\Admin\AppData\Local\Temp\hjkl.poi"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\²¥·ÅÆ÷\Skins\haokan.skin

    Filesize

    43KB

    MD5

    ae411942c896032c728223711c10e462

    SHA1

    a6eb2dd96363be81bef5fd031d43f70d30eb9147

    SHA256

    d2d622a2532a591dbe577a40e9e5bb5daf54a8ddc7a5b2196db3c21452ce36b5

    SHA512

    07facd6e4c24a23302d70656a83679ca55258d30a088b23750f3a64ea59c7a6cc7027703dac138eb69057f2b0c9490fe2e33f32f80c19ae2ccc767a3f4ba7c4a

  • C:\Program Files (x86)\²¥·ÅÆ÷\bobo.exe

    Filesize

    1.5MB

    MD5

    b668989c017123635b7fd65b2639cd53

    SHA1

    c99b9a44b47aa43050efb3a72dea34f920b7b521

    SHA256

    2e8c4e237115bcf014c878e7224acbfb5c9c00a03f72f12b397eb09a3486b89e

    SHA512

    957645995d0bd5c095e6ee98dd42a01ef41c51fd6a937d2d50d900e8db69dd3c6ea6ebcd607842c507457801d02b070f8932f77b4e5180186860ea47e3eb8410

  • C:\Program Files (x86)\²¥·ÅÆ÷\config.ini

    Filesize

    19B

    MD5

    fb97f88e7b95fee3d589498a81004d52

    SHA1

    bc42a5003bf09f7f62d390d5282187016b70bfc7

    SHA256

    cd9a4f3b919b0d941b8db425e7b6d07386bd48f956fe660bf64f6ca4861248a8

    SHA512

    5724ba6300193823a0bb477c75356922d69639f20bc0532ee79e87c7edd6ffba3b52e8bf291d3df10f868846fbc513a9fa5f4821a310a298ce405aceb858fcf8

  • C:\Users\Admin\AppData\Local\Temp\nsv6D91.tmp\InetLoad.dll

    Filesize

    18KB

    MD5

    994669c5737b25c26642c94180e92fa2

    SHA1

    d8a1836914a446b0e06881ce1be8631554adafde

    SHA256

    bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

    SHA512

    d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563