Analysis

  • max time kernel
    149s
  • 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, 16:11

General

  • Target

    c2403fd86eb71518f57632f76ebbc15989972571b56cf08fb6c9abfa49f5795c.exe

  • Size

    398KB

  • MD5

    5f2fb607f98ff62daaff838e31469b79

  • SHA1

    9cda87117e83d972987ef8cbf0ca24de7ce3a3d6

  • SHA256

    c2403fd86eb71518f57632f76ebbc15989972571b56cf08fb6c9abfa49f5795c

  • SHA512

    24e581df5c3863c1bbbcef66f81c74262b2a26ec72b1e2f3291ffd24cce9fefc8c2b2c5550fb09c7a386b18fc1222e94175dbca9d5b60f953df0d6817ba9e30b

  • SSDEEP

    6144:kk46tGdye41inDXYQ/BWJjmpgtBZQZKQj8p3jyb7HREd4SZ1tzLbF:kk3NbADXYJmSTZwYp32bY4qtDF

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • 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:1208
      • C:\Users\Admin\AppData\Local\Temp\c2403fd86eb71518f57632f76ebbc15989972571b56cf08fb6c9abfa49f5795c.exe
        "C:\Users\Admin\AppData\Local\Temp\c2403fd86eb71518f57632f76ebbc15989972571b56cf08fb6c9abfa49f5795c.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3068
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:840
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a99FE.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2152
          • C:\Users\Admin\AppData\Local\Temp\c2403fd86eb71518f57632f76ebbc15989972571b56cf08fb6c9abfa49f5795c.exe
            "C:\Users\Admin\AppData\Local\Temp\c2403fd86eb71518f57632f76ebbc15989972571b56cf08fb6c9abfa49f5795c.exe"
            4⤵
            • Executes dropped EXE
            PID:2888
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • 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:2208
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:764
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2824
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2960
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2896

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            478KB

            MD5

            8570085d6376ce20619da309fc24d598

            SHA1

            26e5e2041b4a2085e461394522d544cdd1784938

            SHA256

            5a7bdabc9772cdb871fd25438f84260cec940dd512a00064f98fb7b00f528199

            SHA512

            1f436a715e9b013fcc4c74aa06022bbee257ac76453ce419e12fd3d4f0ee2418b4f96d244be5112cdc938906ca0940c3d1650ae1fe962b8b004a433144da29ea

          • C:\Users\Admin\AppData\Local\Temp\$$a99FE.bat

            Filesize

            722B

            MD5

            ef8e3d1315129fd350d774f1e676cbae

            SHA1

            4fd57f9167b4e6442589cdb198e9a2de6f915617

            SHA256

            a45c494dea54c4c8c5730484a714f97e50ae8b759ff904b6c17ef83a9bfc3f49

            SHA512

            934ead42ea02f26de7c208545109bf5a0b3b7ed2a08facead76163e2ec418d249c7ee2817b7e5056d0c1401ada2962e9dcb6797864f7cc2e30b3d903a5eed52e

          • C:\Users\Admin\AppData\Local\Temp\c2403fd86eb71518f57632f76ebbc15989972571b56cf08fb6c9abfa49f5795c.exe.exe

            Filesize

            364KB

            MD5

            213eeb5e8f54231f68e5b26a0fc81bd1

            SHA1

            1bc31a42536eacbb57d1cd92ec4b5524a82264d2

            SHA256

            b309045509efc205eb35d6037d64640093fde6c54ec5934e329b447417005a50

            SHA512

            ce35c5f453126c98329df141f821c55692f9252549c76921c231d8170df356cda1689e636758519c0b6898f11b5c836cdb4967d296b99f915e4d1980470a083b

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            8b60374da6a287b6f74bf6f13d3e1f90

            SHA1

            fbd6a77ccc999577aa3fba55f3c51b14f69b9d69

            SHA256

            ed6b7410c5970a4c7a79c07a7e4e04ea8af10e0062a129740773824e33c84785

            SHA512

            25406024f25721e0ff62dc957641c5902e9c590d2599841195b92e2e7a7b041338d7e195df46c08e093d81ed3b66f099a3470f3f374dadf47772076b3825e43a

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

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

            Filesize

            9B

            MD5

            9810b812fea5407a7c6a6b912eab6de9

            SHA1

            653710a103c34c6d87e85d547de48561b1579927

            SHA256

            497dc92fb09ed6740a1e704ddf5f45daf1d330f0977aaf1142604be15753e7ef

            SHA512

            a23126d1624a391a08931a8f98ec9c26bc5bbe75de0f111bcdbf17b5bbe9bc6e748ca58e52c96fb9ea80509d5ad1c90bf1d92e472b08b2532321106ba1aca2cd

          • memory/1208-30-0x00000000039F0000-0x00000000039F1000-memory.dmp

            Filesize

            4KB

          • memory/2208-33-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2208-1622-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2208-4443-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2208-6352-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3008-17-0x0000000000270000-0x00000000002AE000-memory.dmp

            Filesize

            248KB

          • memory/3008-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3008-18-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3008-19-0x0000000000270000-0x00000000002AE000-memory.dmp

            Filesize

            248KB