Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2024, 07:07

General

  • Target

    38a1b6d3450929d69d2191e21d2f62f29e30a28f99e561121f8ca9b0cf299e56.exe

  • Size

    70KB

  • MD5

    c758781ba663c7e3085b8199ffbf73f6

  • SHA1

    5d6eb6a4b7e17a1c9e736d332e1d8a9ea2859bb4

  • SHA256

    38a1b6d3450929d69d2191e21d2f62f29e30a28f99e561121f8ca9b0cf299e56

  • SHA512

    2b97b8671d36ecc074af9be048242f6dd206df0f48abe6dbdb017f5e2377eaaabeb66aaf7c5d43e152ba9937e777927e4ac40192bd03cab440a3ad0e724b8ac3

  • SSDEEP

    1536:/BqQesrz8VuJlMXaDuiN3riw+d9bHrkT5gUHz7FxtJ:/Bqi8ulMXaK4rBkfkT5xHzD

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:1192
      • C:\Users\Admin\AppData\Local\Temp\38a1b6d3450929d69d2191e21d2f62f29e30a28f99e561121f8ca9b0cf299e56.exe
        "C:\Users\Admin\AppData\Local\Temp\38a1b6d3450929d69d2191e21d2f62f29e30a28f99e561121f8ca9b0cf299e56.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:388
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2348
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2488
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aD884.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1820
          • C:\Users\Admin\AppData\Local\Temp\38a1b6d3450929d69d2191e21d2f62f29e30a28f99e561121f8ca9b0cf299e56.exe
            "C:\Users\Admin\AppData\Local\Temp\38a1b6d3450929d69d2191e21d2f62f29e30a28f99e561121f8ca9b0cf299e56.exe"
            4⤵
            • Executes dropped EXE
            PID:2668
        • 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:2252
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2648
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2804
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2156
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

      Filesize

      258KB

      MD5

      f3daa33c4f426df8cbae44f4a090be92

      SHA1

      c65dea97b5249dabffbb5cf61257a8fb8c71406f

      SHA256

      83553239bce617ddc905d0c045f4fe01643e10ab575d0a70ef67a88ffe849406

      SHA512

      f6410ad9cd28c9977eccb32adad64eac7c0b506b25747721b68f758c3ee9ae12705e36dadea44f2d0a6a1aa875be2b12b3b1172e4d0ea6c735e80775a0f631dd

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

      Filesize

      478KB

      MD5

      fa1ca34b203e8244b1102d8ad38035c2

      SHA1

      d3ec13ced225363368a77396e000538a66d0fd37

      SHA256

      a48bfd2e24c826fbabe3adbc037da84fb2ab5dc4942ed22ca31fad3ef8e657cb

      SHA512

      68943886e5f7c6f7f0b52a6b10232dc3a12db86a3246e12a0da9c827ca0ee115d35e1182b56ef8a9c824e01daa1c5e147bc349ab8e41703a9807e93926b7a165

    • C:\Users\Admin\AppData\Local\Temp\$$aD884.bat

      Filesize

      722B

      MD5

      84d4ae6e582d383c5669b0302c1b14a2

      SHA1

      e12312c687206014f613f89f002f06eca0f9cae9

      SHA256

      2679c6cbae4894850609fc48e1cdd22b6d28a1c9716f952af94aece1537f7c84

      SHA512

      7d340462ed25e4a07ee92ed7c3726dd3373597031bef6f861f4be2a5c273aae90afe1432d239191a6cc84e48897129e77c07142c76583c276d314c93700ec379

    • C:\Users\Admin\AppData\Local\Temp\38a1b6d3450929d69d2191e21d2f62f29e30a28f99e561121f8ca9b0cf299e56.exe.exe

      Filesize

      36KB

      MD5

      9f498971cbe636662f3d210747d619e1

      SHA1

      44b8e2732fa1e2f204fc70eaa1cb406616250085

      SHA256

      8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41

      SHA512

      b73083c2f7b028d2946cb8f7b4fe2289fedaa4175364a2aac37db0aeff4602aede772ccc9eba7e6dcfcb7276e52604ca45d8021952201b5834485b48bca3dc93

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      63f3782c5c4e2474a184e3891df996ad

      SHA1

      727fa46bfd850377a4e53d9440aca6d573ad62a9

      SHA256

      025c4d9b205d7003c44303a47e8bdb7f4b2a50ff1e02d7d28be74f5371059e92

      SHA512

      ec501796a81c1f1f059e9e3f7882f184a9cf01af622f573f55c6ef4c1b3318a818aa93ebc8ecf358a948c39028957360588909255636ae296b6602bd8ba92329

    • F:\$RECYCLE.BIN\S-1-5-21-3551809350-4263495960-1443967649-1000\_desktop.ini

      Filesize

      9B

      MD5

      ee6da0916e43a13c40e1dec936bccc09

      SHA1

      3c41c332d37b563dad6d1c8ccec540428eae35f9

      SHA256

      0259d8b67e15053053cf5d982948c58d2c6121d2f86b7aefa7c7948979c6e28c

      SHA512

      b70fefd584ad9b4f8c71125a4be5e157cdcbccec18c7f64d235d10c98d4c6005b9c8b6261221211b48f5ceec417792d34750b488f0e2a33dfd702e0094f625a7

    • memory/388-19-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/388-17-0x00000000005D0000-0x0000000000610000-memory.dmp

      Filesize

      256KB

    • memory/388-0-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/388-14-0x00000000005D0000-0x0000000000610000-memory.dmp

      Filesize

      256KB

    • memory/1192-28-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

      Filesize

      4KB

    • memory/2252-32-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2252-3002-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2252-4155-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB