Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/11/2024, 09:02

General

  • Target

    3b9d1e79736710d132f8232fa80e1209a27867699838d6173dbbce3da54be52cN.exe

  • Size

    413KB

  • MD5

    0d01a73536a662362d448ca3602ec460

  • SHA1

    cf5c75eea0f1e4b64cff93b2c0996ed73635d6a3

  • SHA256

    3b9d1e79736710d132f8232fa80e1209a27867699838d6173dbbce3da54be52c

  • SHA512

    5879dd34bd7ef508034ed48d5d81639be573b4debddd6fc39a5443d7f5e921b06b4d36232e7ddc7131a30e602d8d6157676a7963eeca9fa4a5da3e068c3833bd

  • SSDEEP

    12288:UP6ys+NgzZhkDjh8rxUGTinVfpvIzKVHU:ABNUfkWlUGunVfh0KVHU

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 53 IoCs
  • Runs .reg file with regedit 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b9d1e79736710d132f8232fa80e1209a27867699838d6173dbbce3da54be52cN.exe
    "C:\Users\Admin\AppData\Local\Temp\3b9d1e79736710d132f8232fa80e1209a27867699838d6173dbbce3da54be52cN.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Drops file in Drivers directory
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • System Location Discovery: System Language Discovery
      • Runs .reg file with regedit
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\3b9d1e79736710d132f8232fa80e1209a27867699838d6173dbbce3da54be52cN.exe
      C:\Users\Admin\AppData\Local\Temp\3b9d1e79736710d132f8232fa80e1209a27867699838d6173dbbce3da54be52cN.exe
      2⤵
      • Drops file in Drivers directory
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer start page
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • System Location Discovery: System Language Discovery
        • Runs .reg file with regedit
        PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\taobao.ico

    Filesize

    14KB

    MD5

    468fada123f5548ac87e57bae81f6782

    SHA1

    edb8f012c25906e6afd8bf335b495e16c440243d

    SHA256

    091c882bb307d57f2c7c42309e7ba8740130fef8c3ed772b0bc5e5505e37034d

    SHA512

    635ec26c88c2394dd4f2a81b9aea8f429a91adfeb37ae34e51b03f3cf8e503c123c3685938f40cea07d6146e0c7113aadbe62fa528f1f6d8b995e617fd68a4aa

  • C:\WINDOWS\system32\drivers\etc\hosts

    Filesize

    3KB

    MD5

    07ac8ca2df0371b0a7f2d1749193be1b

    SHA1

    ec3a7c92ac50d99fae92e8457d5209b701d60483

    SHA256

    fd5582c290c570e51de10528d0012303a9cdde6259fdc100d46f72c68b5aea87

    SHA512

    0885a9e3ba525709145ce5898c5a204e160917cf84293f9affdba3d134702394641a61650efa3beac3240cde5b1f762cd0688921b77d5ee0a9f8077746ca3545

  • C:\Windows\SysWOW64\msscp.reg

    Filesize

    763B

    MD5

    906b286c430f3a507a1c5a79438d98f2

    SHA1

    d38bd4a829c4a17b299d8505d3476f58039360b5

    SHA256

    71877c82ca162c5fdefce53e512abba0bd57c69e34608f0b298d8a42f625b9ad

    SHA512

    aaca68c7c9cefd8218911a787c08675930d1520c81add9f040d572ba9f9105f6de8f51e3edaa5325dfa7f0ccc4a3cc92ef364b6e09ce521a8fedabf3d001ffda

  • memory/2280-0-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2280-1-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2280-4-0x0000000001F40000-0x000000000201D000-memory.dmp

    Filesize

    884KB

  • memory/2280-27-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2724-5-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB

  • memory/2724-8-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2724-25-0x0000000000400000-0x00000000004DD000-memory.dmp

    Filesize

    884KB