Analysis

  • max time kernel
    150s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/07/2025, 07:16

General

  • Target

    da3341a6b99ac2eedeb9553476d52d7cab56058a919158a14c5bfbadb102609a.exe

  • Size

    577KB

  • MD5

    f7bdc8674e81301ec4adbcbd986b75dd

  • SHA1

    41b8e223fe4f239d5178b15eebf34e79859ea8ed

  • SHA256

    da3341a6b99ac2eedeb9553476d52d7cab56058a919158a14c5bfbadb102609a

  • SHA512

    cc8e1c40177b64557225882356f537a32f9f23a6b0354d488a3483c750d83dd2985b15a2a18be4f29eb6d5da17e950b8aa05ee4fe81ccd7d001a7311cb3c489a

  • SSDEEP

    6144:D+aX3LdE7cV3iwbAFRWAbd4nf0H05yqE6Hl0ChW0+ksllAXBu0lWGWUJJQ4t0BHk:D+ai7a3iwbihym2g7XO3LWUQfh4Co

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:3232
      • C:\Users\Admin\AppData\Local\Temp\da3341a6b99ac2eedeb9553476d52d7cab56058a919158a14c5bfbadb102609a.exe
        "C:\Users\Admin\AppData\Local\Temp\da3341a6b99ac2eedeb9553476d52d7cab56058a919158a14c5bfbadb102609a.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1040
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4960
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a84A1.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1316
          • C:\Users\Admin\AppData\Local\Temp\da3341a6b99ac2eedeb9553476d52d7cab56058a919158a14c5bfbadb102609a.exe
            "C:\Users\Admin\AppData\Local\Temp\da3341a6b99ac2eedeb9553476d52d7cab56058a919158a14c5bfbadb102609a.exe"
            4⤵
            • Executes dropped EXE
            PID:2236
        • 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:5492
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4420
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1948
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2100
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2488

    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

            adab6fe3ec5fb875ea1ce4ba0fffc340

            SHA1

            afb3d744022dae1b7d92b58f7a5e4eafeee01f7e

            SHA256

            d784c0e058fa3de5bfa9c52dfbcbb07bb4227ce254e60bca60c0dd4d14be4271

            SHA512

            e756b831082b33b0c27d7cc0bf6c2f38534fbe37f4e8fde5f606f7b480d080bf8f3192cee755ecd5dba178a03060178407d1304192a0d2ed1b15b9263a1babcd

          • 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\$$a84A1.bat

            Filesize

            722B

            MD5

            3225b0c96640fa428ccb411d4bb4942f

            SHA1

            066292c6c1529235e67d9452679639a1953fa4dc

            SHA256

            e4ba1f18016d1d422103d763374a0f2314cacb1cd2e5ad6de682d541b1975175

            SHA512

            2e7f8de778f107c13d679f87f817c883f137a063fa6380987d338b11ea8572276404572b7596aef6320482dfe0ea9281f2962fc0d50c6080c98c1de5321101a4

          • C:\Users\Admin\AppData\Local\Temp\da3341a6b99ac2eedeb9553476d52d7cab56058a919158a14c5bfbadb102609a.exe.exe

            Filesize

            544KB

            MD5

            9a1dd1d96481d61934dcc2d568971d06

            SHA1

            f136ef9bf8bd2fc753292fb5b7cf173a22675fb3

            SHA256

            8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525

            SHA512

            7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            649d803324cb36e58b674d3cd0dc08e2

            SHA1

            3231951e20d5e26a61674f82cdd270ea8831a8e2

            SHA256

            7cf122782c0a1f53068858937cc9e92d2ca17c45a1715cff5ef718ba2ccdc1ea

            SHA512

            17e5d0fd1e46589ec8d4eb6a3660befea7679312c7aa4e191fda12a5089ee8bd3d25e7c2d8abbde65b975d6bb0c0be42a4ca3904cd7e76146022629b86a804fa

          • F:\$RECYCLE.BIN\S-1-5-21-3972667009-3658015838-2693993929-1000\_desktop.ini

            Filesize

            8B

            MD5

            24c49e895be062b0bc063b7f1d713545

            SHA1

            096a87b1f8369fb3a4c4fc8323606dad58b8e790

            SHA256

            c18ba10163eca907f0f0957d320e3f831cdfaf81758c3a3a7aef62236d4d3f2f

            SHA512

            ae5d7fd55ea8caaea714d7baf66fe7c074e5d12d81bb10a774965ed23fd4d1dae5d2820c811bcbc5c84eab6aa7a2d6b8e81aef19875d87f62910c7387ec24f36

          • memory/1312-11-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1312-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5492-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5492-1651-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5492-8-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5492-10012-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5492-10052-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB