Analysis

  • max time kernel
    149s
  • max time network
    43s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/07/2025, 07:15

General

  • Target

    eb537286831b66ecc0fa54d9a2a7dbd636bf2ada2713f54f103f8a779237ab02.exe

  • Size

    963KB

  • MD5

    10466738c5c4b17c6da59d22517898ec

  • SHA1

    4a9defe0550dc3d4450507b9ad7632c55dce2629

  • SHA256

    eb537286831b66ecc0fa54d9a2a7dbd636bf2ada2713f54f103f8a779237ab02

  • SHA512

    9d69fbc033c43b853639ad7027ee250028017f25ef09b05120470b62d303bb89dd36f5ae19d48a88c3b07d87b885039da349229ae5fea1f817f4a4b3518addbd

  • SSDEEP

    12288:D+atRKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:DBqBpDRmi78gkPXlyo0G/jr

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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3300
      • C:\Users\Admin\AppData\Local\Temp\eb537286831b66ecc0fa54d9a2a7dbd636bf2ada2713f54f103f8a779237ab02.exe
        "C:\Users\Admin\AppData\Local\Temp\eb537286831b66ecc0fa54d9a2a7dbd636bf2ada2713f54f103f8a779237ab02.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5372
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3868
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2104
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7186.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5912
          • C:\Users\Admin\AppData\Local\Temp\eb537286831b66ecc0fa54d9a2a7dbd636bf2ada2713f54f103f8a779237ab02.exe
            "C:\Users\Admin\AppData\Local\Temp\eb537286831b66ecc0fa54d9a2a7dbd636bf2ada2713f54f103f8a779237ab02.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:4900
        • 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:3272
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5676
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3308
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3936
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2132

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          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\$$a7186.bat

            Filesize

            722B

            MD5

            7bf5eaa382ac3c863b356b5182d94cba

            SHA1

            0e496b0b0cbafada0cef7f25e3649094292d7e28

            SHA256

            308cc42382794059e9d255b0bd8784d9c0a9aebc01a0ee837d6414ae855ecdf6

            SHA512

            c9ec30b382cb0e4a5ddbaef452d6879bf408e36208b6d98199c9428bec452bb98c681435b4bd93ec381c46342adc4264a531ce72767d9597d8c07f74d72b70fb

          • C:\Users\Admin\AppData\Local\Temp\eb537286831b66ecc0fa54d9a2a7dbd636bf2ada2713f54f103f8a779237ab02.exe.exe

            Filesize

            930KB

            MD5

            30ac0b832d75598fb3ec37b6f2a8c86a

            SHA1

            6f47dbfd6ff36df7ba581a4cef024da527dc3046

            SHA256

            1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

            SHA512

            505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            649d803324cb36e58b674d3cd0dc08e2

            SHA1

            3231951e20d5e26a61674f82cdd270ea8831a8e2

            SHA256

            7cf122782c0a1f53068858937cc9e92d2ca17c45a1715cff5ef718ba2ccdc1ea

            SHA512

            17e5d0fd1e46589ec8d4eb6a3660befea7679312c7aa4e191fda12a5089ee8bd3d25e7c2d8abbde65b975d6bb0c0be42a4ca3904cd7e76146022629b86a804fa

          • F:\$RECYCLE.BIN\S-1-5-21-903960561-1545645218-4290906778-1000\_desktop.ini

            Filesize

            8B

            MD5

            24c49e895be062b0bc063b7f1d713545

            SHA1

            096a87b1f8369fb3a4c4fc8323606dad58b8e790

            SHA256

            c18ba10163eca907f0f0957d320e3f831cdfaf81758c3a3a7aef62236d4d3f2f

            SHA512

            ae5d7fd55ea8caaea714d7baf66fe7c074e5d12d81bb10a774965ed23fd4d1dae5d2820c811bcbc5c84eab6aa7a2d6b8e81aef19875d87f62910c7387ec24f36

          • memory/3272-1651-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3272-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3272-8-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3272-6608-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/3272-10150-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5372-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/5372-11-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB