Analysis

  • max time kernel
    149s
  • 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, 07:17

General

  • Target

    c45973b2cec1fd76f2036ddfe3cfa6059856d587a55b649d70e9b94bd4443a9d.exe

  • Size

    164KB

  • MD5

    a69bb0fc1efd6908ecc13d58b2e4ebcd

  • SHA1

    a95e5d9af8d920ec164aa0fd10ae2b2e63b95015

  • SHA256

    c45973b2cec1fd76f2036ddfe3cfa6059856d587a55b649d70e9b94bd4443a9d

  • SHA512

    d2c45d89d0105c50d59dc0c8bda11c5efa7b27323aef139150484ddd35a2f72a06563d96b1de08414f59f66f28a588d46242e7fa0ca6fee6551c2a131faaaf50

  • SSDEEP

    3072:ITe+aX3zvM99djmMGWBgh1002J8emEu3T7TO+9Z9sTOVrZzxVxU:D+aX3L2YWBW1Wu3rOOuOVr8

Malware Config

Signatures

  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3288
      • C:\Users\Admin\AppData\Local\Temp\c45973b2cec1fd76f2036ddfe3cfa6059856d587a55b649d70e9b94bd4443a9d.exe
        "C:\Users\Admin\AppData\Local\Temp\c45973b2cec1fd76f2036ddfe3cfa6059856d587a55b649d70e9b94bd4443a9d.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1016
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2444
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1856
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a5803.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3568
          • C:\Users\Admin\AppData\Local\Temp\c45973b2cec1fd76f2036ddfe3cfa6059856d587a55b649d70e9b94bd4443a9d.exe
            "C:\Users\Admin\AppData\Local\Temp\c45973b2cec1fd76f2036ddfe3cfa6059856d587a55b649d70e9b94bd4443a9d.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3232
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • 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:2624
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1684
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1048
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1840
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4076

    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\$$a5803.bat

            Filesize

            722B

            MD5

            08a3aa17cd6f2565cd7bdde576014a81

            SHA1

            d0707438b5c223ba0d686fc1b99c62028c355395

            SHA256

            7eba2b141be02e0b5cc7065343b0b05f1147bbf826ef64f4bcb8f8689e6f49d2

            SHA512

            21fb0c54d285d656e876879af8561ae954700f09110321de1e6dc0112d0f2fc0aa40a8c8985963ae9a4119f05a202c5616803867fa39a2e29a3cd669bb149ea2

          • C:\Users\Admin\AppData\Local\Temp\c45973b2cec1fd76f2036ddfe3cfa6059856d587a55b649d70e9b94bd4443a9d.exe.exe

            Filesize

            131KB

            MD5

            16438a96a8adb85472ca72da04701b29

            SHA1

            b1f5ee8bc083804de4de820255107f6541c84735

            SHA256

            9291cd97d2f1b119438f16e97ea75119f19fd959ec5414e84b337530d692e289

            SHA512

            58f659a29cb34245a261b7666b1cda4b76f2df1039f3713dda6ff5a97c33b4cc273b110d10b4131a6a5c13897efcfa9a5ef3031e0e5fb14db1adc0ac1ef25dcd

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            649d803324cb36e58b674d3cd0dc08e2

            SHA1

            3231951e20d5e26a61674f82cdd270ea8831a8e2

            SHA256

            7cf122782c0a1f53068858937cc9e92d2ca17c45a1715cff5ef718ba2ccdc1ea

            SHA512

            17e5d0fd1e46589ec8d4eb6a3660befea7679312c7aa4e191fda12a5089ee8bd3d25e7c2d8abbde65b975d6bb0c0be42a4ca3904cd7e76146022629b86a804fa

          • F:\$RECYCLE.BIN\S-1-5-21-707770698-2523217751-1187874351-1000\_desktop.ini

            Filesize

            8B

            MD5

            24c49e895be062b0bc063b7f1d713545

            SHA1

            096a87b1f8369fb3a4c4fc8323606dad58b8e790

            SHA256

            c18ba10163eca907f0f0957d320e3f831cdfaf81758c3a3a7aef62236d4d3f2f

            SHA512

            ae5d7fd55ea8caaea714d7baf66fe7c074e5d12d81bb10a774965ed23fd4d1dae5d2820c811bcbc5c84eab6aa7a2d6b8e81aef19875d87f62910c7387ec24f36

          • memory/1016-10-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1016-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2624-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2624-1651-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2624-8-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2624-9845-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2624-10066-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB