Analysis

  • max time kernel
    149s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06/08/2024, 10:51

General

  • Target

    e1066ef14ec8594a82e63e288bf3a8d0d52a4d2d242760aebbfc1e7f4b061098.exe

  • Size

    583KB

  • MD5

    dab431530a62b110d3a70c98a34307d3

  • SHA1

    ba69cfe0f4da5e6b31c30ef27614767543d30372

  • SHA256

    e1066ef14ec8594a82e63e288bf3a8d0d52a4d2d242760aebbfc1e7f4b061098

  • SHA512

    a290f7a4dd666134259801fad07c260a49a6fb6fbe384bedb9d3213913f52f58385ab42d9752a6747640366ce662acbba38f028142954ff9c13e188abb614473

  • SSDEEP

    6144:8+aezDE7cV3iwbAFRWAbd4nf0H05yqE6Hl0ChW0+ksllAXBu0lWGWUJJQ4t0BHQL:8+aB7a3iwbihym2g7XO3LWUQfh4Co

Malware Config

Signatures

  • 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:1268
      • C:\Users\Admin\AppData\Local\Temp\e1066ef14ec8594a82e63e288bf3a8d0d52a4d2d242760aebbfc1e7f4b061098.exe
        "C:\Users\Admin\AppData\Local\Temp\e1066ef14ec8594a82e63e288bf3a8d0d52a4d2d242760aebbfc1e7f4b061098.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2052
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2892
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2800
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a88CF.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2848
          • C:\Users\Admin\AppData\Local\Temp\e1066ef14ec8594a82e63e288bf3a8d0d52a4d2d242760aebbfc1e7f4b061098.exe
            "C:\Users\Admin\AppData\Local\Temp\e1066ef14ec8594a82e63e288bf3a8d0d52a4d2d242760aebbfc1e7f4b061098.exe"
            4⤵
            • Executes dropped EXE
            PID:2832
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1880
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2716
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2352
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2736
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2696

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            484KB

            MD5

            7b714d463f7db900d5b6e757778a8ab8

            SHA1

            2cfc0e9f54236af8e10b0bfa551d87a20982b733

            SHA256

            c995370836939a29853611830ca08d437286d4f45603edce88f36aa1f99a0d97

            SHA512

            e8fe8823b5b7f282c24c964cbf4f248b7562259a13410bf95997288727f9bfc6ea51c4aa40182b649a2235bafc02062e0c57f4f62876b5174395071a8d68f9bb

          • C:\Users\Admin\AppData\Local\Temp\$$a88CF.bat

            Filesize

            722B

            MD5

            30d689b147dc6f2402a01a6dd4c90da0

            SHA1

            b5873d2de5870aa632c4ffbd7a38eb0a6b69ab91

            SHA256

            5ae8cce778213e6c64e4bea2e666472c4c5854880971166522fee49d8a8c657c

            SHA512

            db24b2dd3f41277fdf3d91c72ee1d43b9acdb92de2741e4e689631e2c256d061ac30d78b8db70aaca5b135bce4371e5c44b2d71500385470c49cbb12ffba5430

          • C:\Users\Admin\AppData\Local\Temp\e1066ef14ec8594a82e63e288bf3a8d0d52a4d2d242760aebbfc1e7f4b061098.exe.exe

            Filesize

            544KB

            MD5

            9a1dd1d96481d61934dcc2d568971d06

            SHA1

            f136ef9bf8bd2fc753292fb5b7cf173a22675fb3

            SHA256

            8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525

            SHA512

            7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            0b3e5838766a0c02b48c13bb788ea6ac

            SHA1

            e731414ec9b80247aea6ddf2ef1688d4ff91bbac

            SHA256

            4c41c543ecead6a41761e5d11050800b82e601fb5fe574373876a88be5de7da1

            SHA512

            e036448efe467269f27a3daf04e0012d3ce0a6eba89a9323fc0b1f3ced12d22f52310d7a97c0205ea76cfb407578cf4b1c9d174793c72b7c292d38f377b8ff51

          • F:\$RECYCLE.BIN\S-1-5-21-940600906-3464502421-4240639183-1000\_desktop.ini

            Filesize

            8B

            MD5

            b3317f5683e250dbd6c0e382ce3bc97c

            SHA1

            84261260605717b15275902ca71eb5eea0d2a423

            SHA256

            01f7156c49e1dbb12c8503de3ddac5a37005bd3ad103341a60a830f4b361bd5a

            SHA512

            537b27b08eba3b7d9262b43fc979a9642acd60d8970b9da936cebea873ec0ae851bdefc421c955d3ed9e1fbcc1cbb5669d9b848d5767d1119fc4ed2addf4710c

          • memory/1268-27-0x00000000025C0000-0x00000000025C1000-memory.dmp

            Filesize

            4KB

          • memory/1880-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1880-31-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1880-3342-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1880-4189-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2052-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2052-16-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB