Analysis

  • max time kernel
    150s
  • max time network
    124s
  • 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

    86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe

  • Size

    97KB

  • MD5

    7ea77163982092dd805a7c2fcfee50d3

  • SHA1

    5580a874ae5f3c570d1e773a9c6185101a64d732

  • SHA256

    86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922

  • SHA512

    becfcd62ec0dfcfa0cff4c2f14d77cf4be5de3dd60c4fa9c1ae9e221dc2f2db4060744a3dffa000f95d5705f67c51ebb3eadcd104c60feaff6e309a683f661ce

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nPff88qP2CsRdxgwGGCIOunToIfiWdN:/3e+a+3dN5Xf8l2CHRGgKTBfik

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe
        "C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2292
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2264
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1628
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$aAC27.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2884
            • C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe
              "C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe"
              4⤵
              • Executes dropped EXE
              PID:2896
          • 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:2776
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2952
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2752
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2916
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2532

          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\$$aAC27.bat

            Filesize

            722B

            MD5

            48fc59e7b4c334e276719ee52c50ae17

            SHA1

            4c8aec9906ad1be62d93c12c3a4e78a0de05ff39

            SHA256

            bdcd4ea8503d9e0649d4d5992acc7b8085f71671d2ebafc592d0e72f221f3bdc

            SHA512

            3cfb739183b5bbfd068dac9e86d20dd58886d00f0ef4e66bfaf5cecda132b0a690ae173309e874209305d368f1fa375496f7b32601ed7ca5d1c43d1bb0c342d2

          • C:\Users\Admin\AppData\Local\Temp\86b614979e651ce5c033c531e0a5fbf300f89724af35ac7c740ea741cf456922.exe.exe

            Filesize

            64KB

            MD5

            ae6ce17005c63b7e9bf15a2a21abb315

            SHA1

            9b6bdfb9d648fa422f54ec07b8c8ea70389c09eb

            SHA256

            4a3387a54eeca83f3a8ff1f5f282f7966c9e7bfe159c8eb45444cab01b3e167e

            SHA512

            c883a5f599540d636efc8c0abc05aab7bad0aa1b10ab507f43f18e0fba905a10b94ff2f1ba10ae0fee15cc1b90a165a768dc078fda0ac27474f0eef66f6a11af

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1200-29-0x0000000002680000-0x0000000002681000-memory.dmp

            Filesize

            4KB

          • memory/2292-15-0x0000000000230000-0x000000000026F000-memory.dmp

            Filesize

            252KB

          • memory/2292-17-0x0000000000230000-0x000000000026F000-memory.dmp

            Filesize

            252KB

          • memory/2292-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2292-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2776-32-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2776-1836-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2776-3716-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2776-4081-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB