Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2023, 01:00

General

  • Target

    90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe

  • Size

    73KB

  • MD5

    9737eabaab648bc92049174a2e50962e

  • SHA1

    e08f8b08bd1b5985ce74820a720bcc56f00bc0a7

  • SHA256

    90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8

  • SHA512

    a09688927076688048fb6f008aabd106f90ade1699c7fccd9c19079f1cb27974869eeab9d99fa74fc876a3a6789da750b8b712490257b0c23f6082ecbad42d93

  • SSDEEP

    1536:PfgLdQAQfcfymNUq0DnyvpQ8/g0biDGv0AcutQE:PftffjmNsyvO0gRrAcsH

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3180
      • C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe
        "C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3172
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8741.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2388
          • C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe
            "C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe"
            4⤵
            • Executes dropped EXE
            PID:4824
        • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2648
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3656
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4820

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

              Filesize

              251KB

              MD5

              f9355d276bece82a92f67e30ddffff08

              SHA1

              b1f764a07e6ce8e450242845b9aaa978267f1259

              SHA256

              2da96256524dc65e3e6a4b837fa793a48be6a69216174c72f8661fbdf50dce22

              SHA512

              1cb5e6fbbaf89804642627f07e1c73230311fe1d28a055dfe551088d7e443dbbf1d93cf8e4c20c198f377ea201bf1aecfa329015202dff4f53ceb58006dcd92a

            • C:\Program Files\7-Zip\7z.exe

              Filesize

              484KB

              MD5

              d9df985266c5b23337284dbc93d5016a

              SHA1

              bedfce9948174285ae21b97e5097e8b9686f071b

              SHA256

              6458db9840e0ff7810fdcf068852cc45284047cfb5550f23b43078ed7521f824

              SHA512

              1c9747ca1fdb1d1752fd4045cb7695216e53ce52134c32fdfe0c49f55ad63c1e8744f7765c9f42f8f626ea800a344dcb4e85b647d5855b37081c795d2bebae35

            • C:\Users\Admin\AppData\Local\Temp\$$a8741.bat

              Filesize

              722B

              MD5

              412f32ff291a0deb82c6a3f9d4bf8791

              SHA1

              72f20c869924e2f006f15963e4590b92c173777d

              SHA256

              acb3c930fe48764cc9665a4e743a6dbaf16ce15f31213a83137a7be2fcade842

              SHA512

              ca2f4c5165142f6e9b67c3e80d118733929013bd7dbdb9c6c3aeecf3e764922c549c596bd95212925cc319a79b45cebfb5475840492b2b3288d17be7db8658e2

            • C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe

              Filesize

              47KB

              MD5

              68826ea2108df610a59b6590648da99d

              SHA1

              b934e775b7466ae16a920768230f2c6f473b446c

              SHA256

              0fe0b4a2c17b507e77ece9c0c1b27e67ccead9f2bbb0e6efc26dcaccd5dd1b64

              SHA512

              6ea1125a09a1f144c9aa426cf501694976ac3c4a32a31b39658e0298ebca6972bd2e4ae08710f82def7fb72cb096bae8af1b71f0d1a6e260984e36096ea7079c

            • C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe.exe

              Filesize

              47KB

              MD5

              68826ea2108df610a59b6590648da99d

              SHA1

              b934e775b7466ae16a920768230f2c6f473b446c

              SHA256

              0fe0b4a2c17b507e77ece9c0c1b27e67ccead9f2bbb0e6efc26dcaccd5dd1b64

              SHA512

              6ea1125a09a1f144c9aa426cf501694976ac3c4a32a31b39658e0298ebca6972bd2e4ae08710f82def7fb72cb096bae8af1b71f0d1a6e260984e36096ea7079c

            • C:\Windows\Logo1_.exe

              Filesize

              26KB

              MD5

              57421e0ad6d6cde884d99ac4513935e2

              SHA1

              4c3bdbca37bac500488aa23842a4e77a1b65675c

              SHA256

              9b7564d2d24f5a52f4b6c30260dd664ed84aba7d74f383c9051dc493dd2c75b0

              SHA512

              8e5b55bd2bacc14ccc536b63e34dfe39efa8cd17644015c5c3ca99b0dadc678e22e6bc95a6aa03abdb4067516c1c97fb02f0c556e794eef0821cc753d1dddc1e

            • C:\Windows\Logo1_.exe

              Filesize

              26KB

              MD5

              57421e0ad6d6cde884d99ac4513935e2

              SHA1

              4c3bdbca37bac500488aa23842a4e77a1b65675c

              SHA256

              9b7564d2d24f5a52f4b6c30260dd664ed84aba7d74f383c9051dc493dd2c75b0

              SHA512

              8e5b55bd2bacc14ccc536b63e34dfe39efa8cd17644015c5c3ca99b0dadc678e22e6bc95a6aa03abdb4067516c1c97fb02f0c556e794eef0821cc753d1dddc1e

            • C:\Windows\rundl132.exe

              Filesize

              26KB

              MD5

              57421e0ad6d6cde884d99ac4513935e2

              SHA1

              4c3bdbca37bac500488aa23842a4e77a1b65675c

              SHA256

              9b7564d2d24f5a52f4b6c30260dd664ed84aba7d74f383c9051dc493dd2c75b0

              SHA512

              8e5b55bd2bacc14ccc536b63e34dfe39efa8cd17644015c5c3ca99b0dadc678e22e6bc95a6aa03abdb4067516c1c97fb02f0c556e794eef0821cc753d1dddc1e

            • F:\$RECYCLE.BIN\S-1-5-21-1722984668-1829624581-3022101259-1000\_desktop.ini

              Filesize

              9B

              MD5

              ec7139d5bb99bcebaf0b91c58a9ec5aa

              SHA1

              70404362dd74e309722fd282c3492ec95674123c

              SHA256

              eb17ae1b1de9e95e0d159893048f2de5c1c158467e768cc0ddbaa517c45e0582

              SHA512

              b0114d8f74b17836819b750cff2b590b652e04bb2dc0e9dc8bffac7ed66bd9ded03cd35abc7fc0fcd0127a994c283dcd162e97e6dd76f5a903ff59e4951dfc48

            • memory/2648-32-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2648-19-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2648-26-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2648-37-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2648-41-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2648-434-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2648-1278-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2648-12-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/2648-4819-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/3172-0-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/3172-8-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB