Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 14:14

General

  • Target

    0f3f94febf17d70ef6f290241354e2044bab68509f668e729d0a33f41e8edbcd.exe

  • Size

    393KB

  • MD5

    7996ff74841e87374cf8b81a2a794388

  • SHA1

    e97f0da6291690a4f5e7f3d2e7a47acb3bb026b0

  • SHA256

    0f3f94febf17d70ef6f290241354e2044bab68509f668e729d0a33f41e8edbcd

  • SHA512

    4e84e8fafd068d68cdab743927c2f42c6334f4c1c9f3e30632bbbe04a327e31f6eb6b87946b60cb970f77b7b735fbc29eb427c2cf7692d9e091dd7f3dceb0939

  • SSDEEP

    6144:m+aMHP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYF1moH2:m+aMAahVy41

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:1372
      • C:\Users\Admin\AppData\Local\Temp\0f3f94febf17d70ef6f290241354e2044bab68509f668e729d0a33f41e8edbcd.exe
        "C:\Users\Admin\AppData\Local\Temp\0f3f94febf17d70ef6f290241354e2044bab68509f668e729d0a33f41e8edbcd.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2364
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2328
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1216
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a12A6.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2940
            • C:\Users\Admin\AppData\Local\Temp\0f3f94febf17d70ef6f290241354e2044bab68509f668e729d0a33f41e8edbcd.exe
              "C:\Users\Admin\AppData\Local\Temp\0f3f94febf17d70ef6f290241354e2044bab68509f668e729d0a33f41e8edbcd.exe"
              4⤵
              • Executes dropped EXE
              PID:2080
          • 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:2552
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2672
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2592
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2304
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2784

          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\$$a12A6.bat
            Filesize

            722B

            MD5

            35a4ecfc06e2d585f6fbf14fc502da9b

            SHA1

            defaf580a8dc60815647a961866ef0d9bb9f5225

            SHA256

            2f5e8e4ea17e00b28e32a86c44b13a5654e9632e6373ef5fd4497435de01da81

            SHA512

            0d352331dd1ea78acd2f4abc392e594b964ca148e9f26912d279eecd70a7551c8956ec114ab2b999bbb79a2f15bf21c6885f30182155c0317431c0e3dcf9ede7

          • C:\Users\Admin\AppData\Local\Temp\0f3f94febf17d70ef6f290241354e2044bab68509f668e729d0a33f41e8edbcd.exe.exe
            Filesize

            360KB

            MD5

            5fbd45261a2de3bb42f489e825a9a935

            SHA1

            ff388f6e9efe651ec62c4152c1739783e7899293

            SHA256

            9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

            SHA512

            7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1372-29-0x0000000003CF0000-0x0000000003CF1000-memory.dmp
            Filesize

            4KB

          • memory/2364-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2364-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2364-17-0x0000000000230000-0x000000000026F000-memory.dmp
            Filesize

            252KB

          • memory/2364-14-0x0000000000230000-0x000000000026F000-memory.dmp
            Filesize

            252KB

          • memory/2552-20-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2552-32-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2552-3319-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2552-4124-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB