Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 09:25

General

  • Target

    b9d52b79e93d62ef5deb7a7567839940N.exe

  • Size

    38KB

  • MD5

    b9d52b79e93d62ef5deb7a7567839940

  • SHA1

    a9d63580b314d7fd1922d29ed298694815fbb7f5

  • SHA256

    7068e9a5d5452a1d38a05500a22e3be40366d42a3513e4795c0cd2dc2231f1fc

  • SHA512

    182aa92c2f62f7ea88253ef0f2012a13a7e268815e105132fc2b1d97d25985ac18b724395de5a1ebe0e1a136d20db59254a3d5eb7319c1cd628ca4c792ddf107

  • SSDEEP

    384:NbbJ1Gt5M0zhIV/DZ3KZp7JcTO4yf9Knuf2MqlUV2V9wVfUnfRqOzGOnJhKPMSfh:pl16GVRu1yK9fMnJG2V9dHS8WPNUGJ

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
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3472
      • C:\Users\Admin\AppData\Local\Temp\b9d52b79e93d62ef5deb7a7567839940N.exe
        "C:\Users\Admin\AppData\Local\Temp\b9d52b79e93d62ef5deb7a7567839940N.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5024
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4699.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4792
          • C:\Users\Admin\AppData\Local\Temp\b9d52b79e93d62ef5deb7a7567839940N.exe
            "C:\Users\Admin\AppData\Local\Temp\b9d52b79e93d62ef5deb7a7567839940N.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2264
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 796
              5⤵
              • Program crash
              PID:3728
        • 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:2340
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:208
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2264 -ip 2264
      1⤵
        PID:4980
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4608 /prefetch:8
        1⤵
          PID:5056

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

          Filesize

          247KB

          MD5

          9df527acc87f26a8f2c7444df43e085f

          SHA1

          2422617c1032273b617371e9499b54a0412396c5

          SHA256

          1b645faae7ad7459e6f330421830287300c911767c45e6feb2c09aba83f4afeb

          SHA512

          ae86248982dc4e0c4b04e0c582e73e96e2267c210c8d211b86e185dc9b656173bb87e1c2e628b3988c00330d3bb2204f35d7c88d2bda0ce6e75be22d2b8393a4

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

          Filesize

          573KB

          MD5

          d185370674e8d5b5d4dbe36a54db9efc

          SHA1

          44fa35f5f6d8106f7c351d31bcbd8d6ccc1fd4a0

          SHA256

          2fffea07439104c35a8e70e72e55f12edc25104ca6484cdee458f0e4fdbaab2e

          SHA512

          e18c745bd7544dd24e666f94060278cce81fef4c1189966f813cb447243a90c4ea1e0570527c7d7fa5e1e91034e8f7cf52e2b3fcd2e0b4fc45f13a02ec0cbbcd

        • C:\Users\Admin\AppData\Local\Temp\$$a4699.bat

          Filesize

          536B

          MD5

          fb5cf5f31342eef6eeb0e7256d6ff432

          SHA1

          b9294a6cbd61b33c2978cc1312f9feba33c9598e

          SHA256

          0a40f11d08356ea44453a6bb71ec1435203148f905f720b07838fa69441dea1c

          SHA512

          afdbd98cdc5ba2ade2691a980f70ba8a898148eb224f63982adb1ad877bdeead3e9d11b9e4225db3ec4001d7205d9d497f60e2d5a724a2b34d7b67ad53fea128

        • C:\Users\Admin\AppData\Local\Temp\b9d52b79e93d62ef5deb7a7567839940N.exe.exe

          Filesize

          9KB

          MD5

          d43613c6ae1506ca4961aaebabf19b63

          SHA1

          f0028e0908fd6bd170b3e297f137964526f2de8e

          SHA256

          34ded1f940ea26bcdb8ee34e8adfab4f234f2748f21fa4cefed8f246cabb159b

          SHA512

          84fafdd624daa3523d1e242c8a8ead793ff3df2db1eb456b2638fd78a6b3e192dfb0036ef828569c97ed522dee77347e978a5cef9c86ac9707d7d468a38bf9f4

        • C:\Windows\Logo1_.exe

          Filesize

          29KB

          MD5

          668b9b2a023470ef8e41a8dd5913892a

          SHA1

          9459ca7efe49aa5573e0fca1c160c54dae9c2170

          SHA256

          033b6cc47ebe0c706b32bbf040fe93350aa0118b49837fb97d3912542c37fb58

          SHA512

          6c894b1c1610a888e5f8ddd204e4e3d150a73248c582fa305832e6e40a9b7f4cee4c10e5f7bb7a793714e89ca535f40c8f042ba4b51e1ac316e1644cb5b67c6d

        • F:\$RECYCLE.BIN\S-1-5-21-2170637797-568393320-3232933035-1000\_desktop.ini

          Filesize

          9B

          MD5

          ee6da0916e43a13c40e1dec936bccc09

          SHA1

          3c41c332d37b563dad6d1c8ccec540428eae35f9

          SHA256

          0259d8b67e15053053cf5d982948c58d2c6121d2f86b7aefa7c7948979c6e28c

          SHA512

          b70fefd584ad9b4f8c71125a4be5e157cdcbccec18c7f64d235d10c98d4c6005b9c8b6261221211b48f5ceec417792d34750b488f0e2a33dfd702e0094f625a7

        • memory/2264-20-0x0000000005790000-0x0000000005D34000-memory.dmp

          Filesize

          5.6MB

        • memory/2264-19-0x0000000000A20000-0x0000000000A28000-memory.dmp

          Filesize

          32KB

        • memory/2264-18-0x000000007444E000-0x000000007444F000-memory.dmp

          Filesize

          4KB

        • memory/2340-22-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2340-30-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2340-36-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2340-40-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2340-192-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2340-1243-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2340-8-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2340-4868-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/5024-0-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/5024-9-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB