Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2023, 01:54

General

  • Target

    33511d1c8c25b569f134181903104a15df4b4f365806548e79ad93333214804b.exe

  • Size

    27KB

  • MD5

    180e315d0428e35712094268df54ac67

  • SHA1

    2f723dc5904d6b48462621000472cedf78b9c199

  • SHA256

    33511d1c8c25b569f134181903104a15df4b4f365806548e79ad93333214804b

  • SHA512

    3e066ab23a47099bcd2d875e83fbd26378c9ce77f6a80849e037fa44d95cf90d7d222e769ab489308020b2e217e40a2367d1c2639f206ea9f1bd3d1ffafe2cc3

  • SSDEEP

    384:MnjBpo1Gt5M0zhIV/DZ3KZp7JcTO4yf9KFL/KaUUqd3qR+FlYTj9QTN0wpD9p5Cs:qBW16GVRu1yK9fMFLKaTxsujCT7pZpY

Score
6/10

Malware Config

Signatures

  • 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 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3148
      • C:\Users\Admin\AppData\Local\Temp\33511d1c8c25b569f134181903104a15df4b4f365806548e79ad93333214804b.exe
        "C:\Users\Admin\AppData\Local\Temp\33511d1c8c25b569f134181903104a15df4b4f365806548e79ad93333214804b.exe"
        2⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1656
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4572
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3112

      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

              252KB

              MD5

              170e982ce56c50681ca90cb23719bd5b

              SHA1

              7ec19a0410b5c106dd4ffef4e096ec78ea01554c

              SHA256

              4d4a719a087c051964b59c9f2e97e1a7fca91cb4050675e6068c9c300b138a4f

              SHA512

              fbc3a62f6bec0bd82b6ac6d4aa5191fce8a43e586e50bafb8152ab2b24a28d539a438a2778d7e7a6575eef5f54230a4af8155b00e450d5eb5f357cb0cb3544fe

            • C:\Program Files\Google\Chrome\Application\chrome.exe

              Filesize

              2.8MB

              MD5

              7976be98435a2e6a9bf5d0c34d8d05f2

              SHA1

              abee980bb8cb6bdbd56d5c7e90101b59a5a1887f

              SHA256

              787ec6f6b62b64fcd3392db59157d49523484c00553185af29c40437bef58092

              SHA512

              8a5ad3c8c8410db2faf34eaf300669c9d0db4991c076ffda11dfd2d4e73d6cd730fd2ecb87c08f4c00a2d1ff84671d5076071b66eb0b95624d1ac39f0bf5d2d9

            • F:\$RECYCLE.BIN\S-1-5-21-1043950675-1972537973-2972532878-1000\_desktop.ini

              Filesize

              9B

              MD5

              2326d479b287193a70f520700dc8d23e

              SHA1

              afea66d3788a50debd6f5d4c9dd51f68a4477e64

              SHA256

              95d41561a1467d20977f59108e85da181e0b4dfd3db9e40182ae7378c4a927f8

              SHA512

              cb971c406ddf7147536a6a1569d4ff49d7219aa52cde5d110be1109874d66daace832d423d7969af9e6bbc9738a65734c7e68e994591b7677aad51fa0f52cf37

            • memory/1656-27-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-18-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-23-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-0-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-13-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-83-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-1264-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-3421-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-5-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1656-4806-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB