Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 19:14

General

  • Target

    fe4637fc55e4d63255c3b02952a834c069c877aa1dfdde60df1f120c2aa0bef5.exe

  • Size

    56KB

  • MD5

    fc2b57dae8ce84523b3d8f4297e94cf4

  • SHA1

    7a48d1d0faca8a5f430d06db409e8c9ef6c4a769

  • SHA256

    fe4637fc55e4d63255c3b02952a834c069c877aa1dfdde60df1f120c2aa0bef5

  • SHA512

    483e836531c9412d23b33f5b102ce7d12034779302e9df6d2b44be92a4f35b56c6e842dc952efdbd58cb6afd76c54db2ebd6882dcebe911f803b4acf38fcc8b8

  • SSDEEP

    768:/qLPcTO5RroZJ76739sBWsNscWlM3dN9N3ZjfPPB8M7A+eK+OJfZFd/bhifLGWrI:/qbSe+Zk78NR3dN5nPBdeK+UfZ/XWrI

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 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
  • 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\fe4637fc55e4d63255c3b02952a834c069c877aa1dfdde60df1f120c2aa0bef5.exe
        "C:\Users\Admin\AppData\Local\Temp\fe4637fc55e4d63255c3b02952a834c069c877aa1dfdde60df1f120c2aa0bef5.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1952
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2000
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2420
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2D19.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2608
            • C:\Users\Admin\AppData\Local\Temp\fe4637fc55e4d63255c3b02952a834c069c877aa1dfdde60df1f120c2aa0bef5.exe
              "C:\Users\Admin\AppData\Local\Temp\fe4637fc55e4d63255c3b02952a834c069c877aa1dfdde60df1f120c2aa0bef5.exe"
              4⤵
              • Executes dropped EXE
              PID:2760
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • 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:2668
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2852
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2080
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2812
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2596

          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

            3e2d3392a9d3ae3ed27661f81e853478

            SHA1

            fa8c023a3bff75e89ed39f5d4bfb5693d818ca8b

            SHA256

            09da8a31b7f420b9e4ed6d02e698bcc12a4f3efa46a53d1492a241a5784d44a8

            SHA512

            27652a29d728b92995b8ce46b150cd14baf5b65789591085ef3fa959dbc99efaa071b7a014ccaabeb6e84cdea642769dc98a7a1684afcda9be82dbb0b8d3fa17

          • C:\Users\Admin\AppData\Local\Temp\$$a2D19.bat

            Filesize

            722B

            MD5

            e214791c274ed590297e57dce26832a1

            SHA1

            15d773017737910211dbc69fd2d345cca050e7d6

            SHA256

            c1bda940ba1680252766a6b386e54e106473b0d43005007640ec2e8598aaa4be

            SHA512

            63839067eb8c1c3f19420399de8d3306ae71290e51234e7b417e77a7ba08356fbe5ad23f374e13c2d42e84e4f8576f38b5790fb0a493400e8eab937a5933a05e

          • C:\Users\Admin\AppData\Local\Temp\fe4637fc55e4d63255c3b02952a834c069c877aa1dfdde60df1f120c2aa0bef5.exe.exe

            Filesize

            22KB

            MD5

            b2f7631fe9ac1f6eb4f276bd7259626c

            SHA1

            ca1147287b78e3a15d30654a47b37c9aba2b4767

            SHA256

            23a59a0acd84d07313d6ea78fcf7f629ecdc93ae0c32574c73ef1a467f2831b5

            SHA512

            aa7e3e9ea219d64c1f9dbca0095968087574dea92e466139c2c8a19d03c1341b53191077504fc07366ceb6bd46323b8f95c454b7a0103e27c939622b0e0a0f6e

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\_desktop.ini

            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1208-27-0x0000000002590000-0x0000000002591000-memory.dmp

            Filesize

            4KB

          • memory/1952-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1952-17-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2668-19-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2668-31-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2668-3318-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2668-4141-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB