Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250619-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2025, 07:16

General

  • Target

    ef5abe5ba80a2d2d0c7e05484d845a66d182de27fcbb42d90b052e3d9e54032c.exe

  • Size

    92KB

  • MD5

    263aa00aa5151f348d5d12722abd6077

  • SHA1

    5463b677059f262484a8f0b1c37429c69bebf227

  • SHA256

    ef5abe5ba80a2d2d0c7e05484d845a66d182de27fcbb42d90b052e3d9e54032c

  • SHA512

    de1d48f6fe49dcddebe9439779d06979990726b42ba71420283f2264e19b67ac6c530282eadae28e87ebe054ff837439dfd46e58926dd643c98824a84bc59d6a

  • SSDEEP

    1536:IJhe+Zk77RNzLiTO7yapmebn4ddJZeY86iLflLJYEIs67rxo:ITe+aX3zv2LK4ddJMY86ipmns6S

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:3516
      • C:\Users\Admin\AppData\Local\Temp\ef5abe5ba80a2d2d0c7e05484d845a66d182de27fcbb42d90b052e3d9e54032c.exe
        "C:\Users\Admin\AppData\Local\Temp\ef5abe5ba80a2d2d0c7e05484d845a66d182de27fcbb42d90b052e3d9e54032c.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2836
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1964
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aAD76.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4532
          • C:\Users\Admin\AppData\Local\Temp\ef5abe5ba80a2d2d0c7e05484d845a66d182de27fcbb42d90b052e3d9e54032c.exe
            "C:\Users\Admin\AppData\Local\Temp\ef5abe5ba80a2d2d0c7e05484d845a66d182de27fcbb42d90b052e3d9e54032c.exe"
            4⤵
            • Executes dropped EXE
            PID:4700
        • 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:4540
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4564
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4852
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5416
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4880

    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\DebugClose.exe

            Filesize

            139KB

            MD5

            99a4f029cbd9642c090f8a642f119ffd

            SHA1

            d52346df4f04adc6dd709a93d483a130210511be

            SHA256

            6aa136c79d55ca692b51bab4fbb1b98a6b50a6c3e95467cd42b40e7ed8ab7d06

            SHA512

            1b0f717f0c8891bb5be3c94b939a52c3f25e8addcbf141b26be32d2edcbaff661f57678acf4577e9eeeb08dbe4b68f79b1b3208ba161eb684d530904c3e0b8f0

          • 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\$$aAD76.bat

            Filesize

            722B

            MD5

            5db5e4a89395e307dd50f1136d020727

            SHA1

            9e0bd8024de147a60f9267ffa5fcb304478a22b3

            SHA256

            998aa9e8cf74572578f5d70773592ec3da9d9e22f4c98afbe6d6d4af29f9f7e8

            SHA512

            24a9d39dad72532d23a030d8035789e562d48f41e6215bc192dfe583871443d36bb6f04b6f4bbba57b00d6709ce13efaa9adeb4dbd1e226fb197f95c38d1beeb

          • C:\Users\Admin\AppData\Local\Temp\ef5abe5ba80a2d2d0c7e05484d845a66d182de27fcbb42d90b052e3d9e54032c.exe.exe

            Filesize

            59KB

            MD5

            dfc18f7068913dde25742b856788d7ca

            SHA1

            cbaa23f782c2ddcd7c9ff024fd0b096952a2b387

            SHA256

            ff4ac75c02247000da084de006c214d3dd3583867bd3533ba788e22734c7a2bf

            SHA512

            d0c7ec1dae41a803325b51c12490c355ed779d297daa35247889950491e52427810132f0829fc7ffa3022f1a106f4e4ba78ed612223395313a6f267e9ab24945

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            649d803324cb36e58b674d3cd0dc08e2

            SHA1

            3231951e20d5e26a61674f82cdd270ea8831a8e2

            SHA256

            7cf122782c0a1f53068858937cc9e92d2ca17c45a1715cff5ef718ba2ccdc1ea

            SHA512

            17e5d0fd1e46589ec8d4eb6a3660befea7679312c7aa4e191fda12a5089ee8bd3d25e7c2d8abbde65b975d6bb0c0be42a4ca3904cd7e76146022629b86a804fa

          • F:\$RECYCLE.BIN\S-1-5-21-4144907350-1836498122-2806216936-1000\_desktop.ini

            Filesize

            8B

            MD5

            24c49e895be062b0bc063b7f1d713545

            SHA1

            096a87b1f8369fb3a4c4fc8323606dad58b8e790

            SHA256

            c18ba10163eca907f0f0957d320e3f831cdfaf81758c3a3a7aef62236d4d3f2f

            SHA512

            ae5d7fd55ea8caaea714d7baf66fe7c074e5d12d81bb10a774965ed23fd4d1dae5d2820c811bcbc5c84eab6aa7a2d6b8e81aef19875d87f62910c7387ec24f36

          • memory/2836-10-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2836-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4540-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4540-1704-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4540-11-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4540-9717-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4540-9923-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB