Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2025, 07:15

General

  • Target

    bbf04edf40760e81fa3c6ca4b1ef919432c02450338e19225f10cf433d2da9d0.exe

  • Size

    3.5MB

  • MD5

    72598b83c3d12caf31d50a1c50be5892

  • SHA1

    7858364e5d12ad1238fd81136a51a8c4cc62e5c1

  • SHA256

    bbf04edf40760e81fa3c6ca4b1ef919432c02450338e19225f10cf433d2da9d0

  • SHA512

    96151b39646ca309130696fe201671950ae37c011b75fb57e7d0682fde53c7c0e89c905f5a4931c35bf866bf8d8914b7d3f8c2c6e37827b164803faf82da18d6

  • SSDEEP

    49152:DBp5tzuM0S2S5mLFEuVebedv9uNBb8AftK9qrO1LS9RhSq15vTNuHv/QXd9CQxMo:DPCFk/fUqrOiOc5z

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3324
      • C:\Users\Admin\AppData\Local\Temp\bbf04edf40760e81fa3c6ca4b1ef919432c02450338e19225f10cf433d2da9d0.exe
        "C:\Users\Admin\AppData\Local\Temp\bbf04edf40760e81fa3c6ca4b1ef919432c02450338e19225f10cf433d2da9d0.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5168
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5156
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3464
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a63CB.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4560
          • C:\Users\Admin\AppData\Local\Temp\bbf04edf40760e81fa3c6ca4b1ef919432c02450338e19225f10cf433d2da9d0.exe
            "C:\Users\Admin\AppData\Local\Temp\bbf04edf40760e81fa3c6ca4b1ef919432c02450338e19225f10cf433d2da9d0.exe"
            4⤵
            • Executes dropped EXE
            PID:4604
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4924
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4728
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4740
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4968
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1248

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateBroker.exe

            Filesize

            132KB

            MD5

            e68db442dd05302b3397ee51e3ce268a

            SHA1

            66983a719daa1c4963ac2757fbe319721e1c399f

            SHA256

            585722db8936a6c64617f05ff0d9e182f05304151e2941c88c71ebb0dd6c4fa6

            SHA512

            26016ec20efd3913b98cff18f540ff774db1d70ad8bff3649a766eb0986e1446185b86a8ed4d0943c4dbfa4b1ebea1ac92ec6ce616bdb7ed07112b764cadc7e5

          • C:\Program Files\7-Zip\7z.exe

            Filesize

            582KB

            MD5

            c8c891cf074e69e892dad4cab088c015

            SHA1

            af81ec4ce53582255c9fd3dcc6ea27adc2c1a39a

            SHA256

            1fc67e0f40f633f18ed34d26315c4eb5f375a9b38c7323b3a03ec4da0a59b2af

            SHA512

            8c7a0be34d299c89021bd1b2a19918cb61a088a3b3ac04ab61e5b2a813bf831c89cd5c940d078a15f255ad3a674e1caedc0cb324a4c8c879eae7ca7c57cac5db

          • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

            Filesize

            488KB

            MD5

            629c52705e4b56528fd0a9bd0ef3b26b

            SHA1

            8195ef6b90f8893c88887c763bf399cde1787b26

            SHA256

            4d1c2cdbf0684ef3ea3fc7123812b007687ded0a679275e5ea50f1d936a6fe3d

            SHA512

            0ea13e8f6c5d3b8e28a002c672f20d626e1ae1f8fb0162690961b2b94b49c6590f20ae50dd018f41b1947161ac62e63fa56b1e2aca5ee7335c3d9b7747817e0f

          • C:\Users\Admin\AppData\Local\Temp\$$a63CB.bat

            Filesize

            722B

            MD5

            68c61b586950b49182f155a19dfde936

            SHA1

            efe1a5edb0a8b9b6afee9f9368eef07746be0fc6

            SHA256

            69a9e1445e7c23d64372e7954f4aee893f892804b0bc8e9526016127275c78e4

            SHA512

            ae73b677a58be714a9cca6f8948fa59782e38c28e3602e7336e1a835e6372662ac1c5a3b6b1fc546863ad31e4efb97e62ef218b772026901209b7a93602eaa0b

          • C:\Users\Admin\AppData\Local\Temp\bbf04edf40760e81fa3c6ca4b1ef919432c02450338e19225f10cf433d2da9d0.exe.exe

            Filesize

            3.4MB

            MD5

            cd53c61345139dd549495633c7195a9d

            SHA1

            2f2ea5f17f724e08f2d965e591b61e0daf310487

            SHA256

            2b2538d62a3d95caa1eaaf402dda55e9b0dc66e5a0b8f6c8fd3042550e48d56d

            SHA512

            006ea7fc9f7cb6b7312c4431ba631a528654bc5c111561cb884b165176dc70dccbb7d72e132b38ce599156df6ffa31476b69fe6dd095a3fef2f93b7ef5208124

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            649d803324cb36e58b674d3cd0dc08e2

            SHA1

            3231951e20d5e26a61674f82cdd270ea8831a8e2

            SHA256

            7cf122782c0a1f53068858937cc9e92d2ca17c45a1715cff5ef718ba2ccdc1ea

            SHA512

            17e5d0fd1e46589ec8d4eb6a3660befea7679312c7aa4e191fda12a5089ee8bd3d25e7c2d8abbde65b975d6bb0c0be42a4ca3904cd7e76146022629b86a804fa

          • F:\$RECYCLE.BIN\S-1-5-21-815616237-4012932787-4224613991-1000\_desktop.ini

            Filesize

            8B

            MD5

            24c49e895be062b0bc063b7f1d713545

            SHA1

            096a87b1f8369fb3a4c4fc8323606dad58b8e790

            SHA256

            c18ba10163eca907f0f0957d320e3f831cdfaf81758c3a3a7aef62236d4d3f2f

            SHA512

            ae5d7fd55ea8caaea714d7baf66fe7c074e5d12d81bb10a774965ed23fd4d1dae5d2820c811bcbc5c84eab6aa7a2d6b8e81aef19875d87f62910c7387ec24f36

          • memory/4924-1711-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4924-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4924-8-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4924-9640-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4924-9957-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5168-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5168-11-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB