Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    29-08-2024 14:17

General

  • Target

    998eb7f53f0193957622c1f0975337a46095af71406f4be9963bd737a69dd927.exe

  • Size

    177KB

  • MD5

    51628916327cfbc45fc7c15f2e4b5751

  • SHA1

    b609c00c6fdfd75b78b149d5ab74d029233eb709

  • SHA256

    998eb7f53f0193957622c1f0975337a46095af71406f4be9963bd737a69dd927

  • SHA512

    88511839d15701d7e851ace7bf7611329160fc2bbe8e34097f561d08f450cca139ff1bea25db0ed3e4c20ace8da78ef04e687d0a14dde3292bf29a499c4f7bd2

  • SSDEEP

    3072:BofZ4ZHUIWDfByOpGjAvb3eLG2FmDDSrDVTFooWZet3:mMHqpyOpGcj3UFmDDSrDVTSBQ3

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1252
      • C:\Users\Admin\AppData\Local\Temp\998eb7f53f0193957622c1f0975337a46095af71406f4be9963bd737a69dd927.exe
        "C:\Users\Admin\AppData\Local\Temp\998eb7f53f0193957622c1f0975337a46095af71406f4be9963bd737a69dd927.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2472
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2152
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2212
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1545.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2840
          • C:\Users\Admin\AppData\Local\Temp\998eb7f53f0193957622c1f0975337a46095af71406f4be9963bd737a69dd927.exe
            "C:\Users\Admin\AppData\Local\Temp\998eb7f53f0193957622c1f0975337a46095af71406f4be9963bd737a69dd927.exe"
            4⤵
            • Executes dropped EXE
            PID:2868
        • 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:2784
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2892
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2920
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2120
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

      Filesize

      478KB

      MD5

      6028470621a870e37ea49499b4044df3

      SHA1

      90f86d2b21cd3b2d2940c3b0066fd46680c4ff62

      SHA256

      8a4b651cc3b85bcec5f000ebba490795941af94b8680dd4876d35153d3242e18

      SHA512

      21927cbfb83b5e0b90c2baadba1bf845bee1e3a733447adedd29b143e1defadc79443661f0686a5d2549310dee27c1c3e442f3e22981d0b808436380655601a2

    • C:\Users\Admin\AppData\Local\Temp\$$a1545.bat

      Filesize

      722B

      MD5

      a2de677d23e163a79d8ddd27396f2a90

      SHA1

      96e5a98f726f38fa44621704e57c5157e9906b16

      SHA256

      1dd9cb9d01f114aca84f8367a1e80f07812881686b7014ebfdb453a392ef0c86

      SHA512

      06c0b6adbcc12c9675813fbeefe75c5e407ea02d01630cc1c6f01348f6958579b295dfef485690ddcb3dce41d6e83a0867593d01b4c6045164893278bab022ec

    • C:\Users\Admin\AppData\Local\Temp\998eb7f53f0193957622c1f0975337a46095af71406f4be9963bd737a69dd927.exe.exe

      Filesize

      143KB

      MD5

      33b4c87f18b4c49114d7a8980241657a

      SHA1

      254c67b915e45ad8584434a4af5e06ca730baa3b

      SHA256

      587296f3ff624295079471e529104385e5c30ddc46462096d343c76515e1d662

      SHA512

      42b48b4dcd76a8b2200cfafddc064c053a9d1a4b91b81dee9153322c0b2269e4d75f340c1bf7e7750351fb656445efaf1e1fe0f7e543497b247dd3f83f0c86f9

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      51a089bf74658f5774db7fb483ec0f6d

      SHA1

      b7f66ab6b8b280bd3dfd46b33384d1873cab8d3e

      SHA256

      4822382013f33b78fe0ee1d8a414a62b2c784a11fa7cb9bbd4c0e9251ced88ce

      SHA512

      16d2846e4682a722ff1d2c347427736f3cdd1a9dd85f7f63b4b1f6777f3daa7e89f948bc44059e0445477a59ad1bdb9c6ba2453e81331f4fdc9b77210fc1bb3c

    • F:\$RECYCLE.BIN\S-1-5-21-2212144002-1172735686-1556890956-1000\_desktop.ini

      Filesize

      9B

      MD5

      9810b812fea5407a7c6a6b912eab6de9

      SHA1

      653710a103c34c6d87e85d547de48561b1579927

      SHA256

      497dc92fb09ed6740a1e704ddf5f45daf1d330f0977aaf1142604be15753e7ef

      SHA512

      a23126d1624a391a08931a8f98ec9c26bc5bbe75de0f111bcdbf17b5bbe9bc6e748ca58e52c96fb9ea80509d5ad1c90bf1d92e472b08b2532321106ba1aca2cd

    • memory/1252-28-0x0000000002A70000-0x0000000002A71000-memory.dmp

      Filesize

      4KB

    • memory/2472-19-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2472-18-0x00000000003B0000-0x00000000003ED000-memory.dmp

      Filesize

      244KB

    • memory/2472-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2472-12-0x00000000003B0000-0x00000000003ED000-memory.dmp

      Filesize

      244KB

    • memory/2784-32-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2784-1672-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2784-4518-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2784-6347-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB