Analysis

  • max time kernel
    149s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30/06/2025, 17:38

General

  • Target

    ffb3bb86513fb6d26c4d2617731db74f3db746f3c7a51c942436a6ce08f39d29.exe

  • Size

    393KB

  • MD5

    f47ea2b5dce2284a5fb3127cdd36b63c

  • SHA1

    e428149565386070c8b86034ce47300dc03e26a2

  • SHA256

    ffb3bb86513fb6d26c4d2617731db74f3db746f3c7a51c942436a6ce08f39d29

  • SHA512

    44ef3f7a778d73c27e7b55cc9564d684f294d738b2f1c9ec13c6ad47ab0f4b1d7c74af4d5ae9bf67dde78df9d1cb67867e5d223166f07a81b99bd79d71a7e326

  • SSDEEP

    6144:T1G3P2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYF1moHXG:T1GQahVy41

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:3308
      • C:\Users\Admin\AppData\Local\Temp\ffb3bb86513fb6d26c4d2617731db74f3db746f3c7a51c942436a6ce08f39d29.exe
        "C:\Users\Admin\AppData\Local\Temp\ffb3bb86513fb6d26c4d2617731db74f3db746f3c7a51c942436a6ce08f39d29.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5808
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1724
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:5848
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a69A7.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3568
          • C:\Users\Admin\AppData\Local\Temp\ffb3bb86513fb6d26c4d2617731db74f3db746f3c7a51c942436a6ce08f39d29.exe
            "C:\Users\Admin\AppData\Local\Temp\ffb3bb86513fb6d26c4d2617731db74f3db746f3c7a51c942436a6ce08f39d29.exe"
            4⤵
            • Executes dropped EXE
            PID:5300
        • 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:1072
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5068
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4788
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3332
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:5316

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe

            Filesize

            132KB

            MD5

            699a4d3829570887cf93d0bdae579565

            SHA1

            88150a6ed3fb87229eaf9bf6effd9fdad4c7e81b

            SHA256

            d58e7b9778c81c2f9588f0f63af1938cb047be0419e674e85086834b4815efb9

            SHA512

            117db9d47cb3cb42c542fa92703c54f09a0fa497e55299943287dc16af886642e96955520e5bc1d4ecee7d523ff68e709bb0be1ec34f88c1efd32e7a10a4fa0e

          • C:\Program Files\RequestUnlock.exe

            Filesize

            229KB

            MD5

            3b9966fe578f3625370d102c968b526b

            SHA1

            493e2e4a8f3a82ce3bb420bd0368b1386e9f8ba7

            SHA256

            17099b541e08ae429df70c7a886e728cf11e98ff23cf51bc52ab1e5eb2c8c1cd

            SHA512

            f6decf1b48aa61e1f85d8e58f89864f97baa4c34fa1c20074fbb95248239e2082f5819f43f9935838f9646fe63ae11f4318a81d81b2320cc2a6e98bf4a9ac94c

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

            Filesize

            488KB

            MD5

            5ede147d684b624bff3c9087fc2f203f

            SHA1

            174c4ecba8d016bf2de19a1909479a08fc14de2b

            SHA256

            130a8a4abffa329e7253daa17685da1ca5eb705fd517766f88a7af704f6d71e1

            SHA512

            f605e21a16fc48327250ba0aa871d0921127a62c65613faf089e5fface89ccaecb5ab23067961930e2179699b686f291bf2c86da9cce2709304bfd5d3429e76e

          • C:\Users\Admin\AppData\Local\Temp\$$a69A7.bat

            Filesize

            722B

            MD5

            46fe8e89f746f1df9e9e26f6286edabb

            SHA1

            b7a2e7129cfaba266dd32af257f5ea654915f45c

            SHA256

            cc437a4d6e1027cf5629fdbf5afd465ac2ae7eefd4b30d99ffbe2a301bc5049b

            SHA512

            c0834a14c4643a8a91adda84810584177abeeddddf4e5cf493bb5909d6c3f0b56f10ca053e8d34630e6f9eb1186242f2ce2da4e9762411cc6f3b13aa573b1b0f

          • C:\Users\Admin\AppData\Local\Temp\ffb3bb86513fb6d26c4d2617731db74f3db746f3c7a51c942436a6ce08f39d29.exe.exe

            Filesize

            360KB

            MD5

            5fbd45261a2de3bb42f489e825a9a935

            SHA1

            ff388f6e9efe651ec62c4152c1739783e7899293

            SHA256

            9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

            SHA512

            7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            07d465266ad0c96e77e6311dfbcec840

            SHA1

            d6daf990d3b110b08d58c11a485594925459ffdb

            SHA256

            6254846e8ff533bfbf772741e651a52e9e3629f167a8b5155d20066de051306b

            SHA512

            baf801253d21798695f12af6718e0d694d3ba9ebe14e58800fb89eaafad9fccc704b07ea8ba7c04a90a28a863558904e0485deeb06856eb0214655765eed0bea

          • F:\$RECYCLE.BIN\S-1-5-21-3625340254-1625357543-1797847221-1000\_desktop.ini

            Filesize

            9B

            MD5

            8d5d367ed8a2afc1fc0b8fc7d14da98c

            SHA1

            fddfad39cd8b448d0d3dbb6e9c67752999568783

            SHA256

            93740c0db50f557803e16032194380e92e586f9cd845c4543eae2c3aa97d95f6

            SHA512

            3215518f650fe697fa80054e2e7e98a55a23832309347704985d502ecf46726048291ace0a619b669726fda404c9235047a21563971a238864ee3523f5bbe96b

          • memory/1072-1608-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1072-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1072-8-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1072-9832-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1072-10170-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/5808-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/5808-10-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB