Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2024, 19:32

General

  • Target

    79b3f9630ba66b90e63ca87c9e55db1030fe5fae9c11f24b262415df8bbf4cb0.exe

  • Size

    72KB

  • MD5

    55eb01d65d1be47bb0fcb009b9eace53

  • SHA1

    7b8efe95ade2192156fec0f1f70c022c0a58a400

  • SHA256

    79b3f9630ba66b90e63ca87c9e55db1030fe5fae9c11f24b262415df8bbf4cb0

  • SHA512

    44a894d7e1fd50a617e858f122a33e81595c5e1261405d73c5bc482a085e00cc3007aad8b782492b3ced15e418c7d86aaeb058698ac9a33c176e1e1ccaff6d23

  • SSDEEP

    1536:8oqe+Zk7VJbwlYXjPrsqrZMYR5p8wk2kKzs2Irj5hN:8je+azbRPrlr9RXFk2kKzQj5r

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3428
      • C:\Users\Admin\AppData\Local\Temp\79b3f9630ba66b90e63ca87c9e55db1030fe5fae9c11f24b262415df8bbf4cb0.exe
        "C:\Users\Admin\AppData\Local\Temp\79b3f9630ba66b90e63ca87c9e55db1030fe5fae9c11f24b262415df8bbf4cb0.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2104
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4208
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1492
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6254.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2320
            • C:\Users\Admin\AppData\Local\Temp\79b3f9630ba66b90e63ca87c9e55db1030fe5fae9c11f24b262415df8bbf4cb0.exe
              "C:\Users\Admin\AppData\Local\Temp\79b3f9630ba66b90e63ca87c9e55db1030fe5fae9c11f24b262415df8bbf4cb0.exe"
              4⤵
              • Executes dropped EXE
              PID:2936
          • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3044
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4196
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2984
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:5064
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2488

          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

            264KB

            MD5

            5607ab9d477658733de1dc92f1c5df0e

            SHA1

            3ecf0a7e0fbe49389bee0a28135478ec386b17c0

            SHA256

            a03531b2769537e5363cf793bdc80f097dbe3a2766c180350a569019beeda830

            SHA512

            1b0a7a2bce1225230943fe1957db146d5c3e82a508e33940c0a654b89701506a36bf713f7257d654158b9b4faab26a8aad35ab22ea84c8961cfb1db349d53875

          • C:\Program Files\MergeRequest.exe

            Filesize

            445KB

            MD5

            922b4fd164580683265d70f6164e4d37

            SHA1

            801574734a3e65288559f900b44deefb2302aa89

            SHA256

            53c776ed715e68e296d065ac3b6a8b2ea3a443e1e4eb3b821861c254994b5cc1

            SHA512

            0d0b67a0def760add166423d4c931ec94d06ff8c4aa2823eb576b1a252529f0a1ae17a3919d427e6779b38d917bfa7df11c881b31750bf75577ece0193104f7c

          • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

            Filesize

            494KB

            MD5

            d514ce87b356cef8d2ba02c1680cf782

            SHA1

            0d87db8e33c254f024f2fdb9fb88277ecf11b1f3

            SHA256

            735d079cee41fddd6aafcfd4bba8caab23b37646a97bc45266b8cdb6ebbd6d26

            SHA512

            fc60dae14a29467d17997bdfb0cd7289a1c7b5abb3fd75de90ae1dcd9d1d5c7aa710f0a8113fb24561617debe8d548996df3782d999d98a0638a893fb8502c40

          • C:\Users\Admin\AppData\Local\Temp\$$a6254.bat

            Filesize

            722B

            MD5

            6f3c2d238dec45ff31ef8d868615a68b

            SHA1

            2476949a4a5e28cfa2810b3ed96d714c0823bb43

            SHA256

            c7dea979ffc496fc608962d273a12b45cf3f1c92baf8aabef1118a890153e2d6

            SHA512

            22c521a65179902e7795ce2b21d106cbb3aaf38646cfe09a70bc32ef54cdec2a58be5ec88ef7b6ed14826327b2ca3d2e13997d9b1f08278100eec77897fbe154

          • C:\Users\Admin\AppData\Local\Temp\79b3f9630ba66b90e63ca87c9e55db1030fe5fae9c11f24b262415df8bbf4cb0.exe.exe

            Filesize

            33KB

            MD5

            97ec61761e1fdfb2f1d4ea4d221a43d1

            SHA1

            d6e1682a8dd967bdffe8c145731fb9ea1d0a3509

            SHA256

            1f3069b596484ffa16181226b07c67ee1cb0f41d191ddde7c02f6bb75336cc52

            SHA512

            7d34cc27dce09e2711d76f39c5f44525937ac15723aaedc303c154223f3ec42e6043374582614cc3067795781a2daf6ea8935f3f3b0a8747fa783cedf36090a9

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            a93f5efc0b2c641bd652a684e460e1c6

            SHA1

            3e14fa1a93963965769d42a31b494afc7aa894c0

            SHA256

            ce50adfbb271796afc33d20c4433bee5e16446b56596c7a7cb100e8748b17310

            SHA512

            cbcab17e89a46cf8c2136dff9b4684776a92d7a429b6772198e7f6e48047e054c41d5935302719d615a6a7219edaf1f5fd60f096d9a56caf8eb12f5bc5565265

          • F:\$RECYCLE.BIN\S-1-5-21-1790404759-2178872477-2616469472-1000\_desktop.ini

            Filesize

            9B

            MD5

            cfe6f484be357c72eb43c1bf358667cc

            SHA1

            e3d7e0445522b691704b4118172728b6a29eb809

            SHA256

            da822ce24d9fbaf4a51165971caf1c53642c637bb0140121b9041e3b23b05946

            SHA512

            29d9ed22715e24413a7b4110e4a45e99110c8b7c0e4f6b0033d5b41f9564687e70aabb182ff809223355daccc6bebf4a90df3dfd6bbbc54649227bf38097b236

          • memory/2104-8-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2104-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3044-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3044-1257-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3044-5135-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3044-10-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3044-8620-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB