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Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 14:43

General

  • Target

    767735c8c772038e7d89fdd442513170.exe

  • Size

    294KB

  • MD5

    767735c8c772038e7d89fdd442513170

  • SHA1

    51d31eadcc515633d625393b734c72a07f1eeb67

  • SHA256

    0ab3347233ca85e26d6d65d5a1ae47b6f109bd46aef2589a7b67bc55dc6c3148

  • SHA512

    05f1b64cff4e21d783df0f887e7156041403be5ea63f459dd01674ba6fefcda6cceaa4540f3091089a2ac4ca54d648730a718765df5413928a44b3e9dd866846

  • SSDEEP

    6144:cdYgxDPu6luzMm2mBiXS6S9JSelDyX2UFLstcAyXRU0ODDoL:tgxDPuQuLTKSH9flD74sK60ODDoL

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\767735c8c772038e7d89fdd442513170.exe
    "C:\Users\Admin\AppData\Local\Temp\767735c8c772038e7d89fdd442513170.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\is-6263R.tmp\767735c8c772038e7d89fdd442513170.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-6263R.tmp\767735c8c772038e7d89fdd442513170.tmp" /SL5="$70122,51900,51712,C:\Users\Admin\AppData\Local\Temp\767735c8c772038e7d89fdd442513170.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2972
      • C:\Windows\SysWOW64\regedit.exe
        "C:\Windows\Regedit.exe" -s C:\Progra~1\TaoBao\info.desc
        3⤵
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Runs regedit.exe
        PID:2756
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\767735c8c772038e7d89fdd442513170.exe"
        3⤵
        • Deletes itself
        PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\TaoBao\info.desc

    Filesize

    280B

    MD5

    a0fd44bf16c285a195d371ba2404dc0a

    SHA1

    1880991f3f49d2f35e86ce2575d7535517a10f28

    SHA256

    686ea1ff46449d5412e6454ca7329a6f03e777714e35d502640c61ac16849613

    SHA512

    3477a190eda4b3fd79319ebeab24c3a62cdaffeb4d58f65488713f23e370f8a906365985dad5a8bd39a5d2e047c6f1da40af1d952cb3899c9809a32fb03b970a

  • \Users\Admin\AppData\Local\Temp\is-6263R.tmp\767735c8c772038e7d89fdd442513170.tmp

    Filesize

    706KB

    MD5

    1a6c2b578c69b9388e22d38afa16a7fb

    SHA1

    186370d5438b1f5f3d75891aa8412e8edd00981c

    SHA256

    86ac18632bfdca026df9fe12a1d4df2de64bbdc1d2d7e42d2dcbf7809cbbebb3

    SHA512

    fb868c629cd0255b7620c9260bb5712b6622f53f0b7de3d6125c295e02d16f03584ce3a90eccb02b65ce9825885aa1bca5f68c7cc09dc0c09e7c208fcef54714

  • \Users\Admin\AppData\Local\Temp\is-D99TN.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/2276-1-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2276-24-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2972-8-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2972-21-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB