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Analysis

  • max time kernel
    191s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2023, 13:42

General

  • Target

    PURCHASE ORDER RFQ_CF-170419S3_.exe

  • Size

    1.1MB

  • MD5

    10e0c2c544c56f8bb1deb536590606ff

  • SHA1

    99a8d3a2bc97c8941d0c78bb655e2d57244706f4

  • SHA256

    77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

  • SHA512

    3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

  • SSDEEP

    24576:LCMmK3Aw7NM0AiSYLaTm4W0hZEd3/2dhJgM9bObUtv:LC+7q0tqT5No6wMl8Ut

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER RFQ_CF-170419S3_.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER RFQ_CF-170419S3_.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
      2⤵
        PID:912
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
        2⤵
        • Drops desktop.ini file(s)
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1608
      • C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
        C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
          3⤵
            PID:3488
          • C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
            C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1580
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
              4⤵
                PID:1404
              • C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                4⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:4704
                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
                  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
                  5⤵
                    PID:1168
                  • C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                    C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                    5⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    PID:4988
                    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
                      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
                      6⤵
                        PID:1464
                      • C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                        C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                        6⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        PID:1624
                        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
                          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
                          7⤵
                            PID:4652
                          • C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                            C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                            7⤵
                            • Executes dropped EXE
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1412

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\TYboDhwl\VQHHtUoO.exe

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

              • C:\TYboDhwl\VQHHtUoO.exe

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

              • C:\TYboDhwl\VQHHtUoO.exe

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

              • C:\TYboDhwl\VQHHtUoO.exe

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

              • C:\TYboDhwl\VQHHtUoO.exe

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\regasm.exe.log

                Filesize

                319B

                MD5

                824ba7b7eed8b900a98dd25129c4cd83

                SHA1

                54478770b2158000ef365591d42977cb854453a1

                SHA256

                d182dd648c92e41cd62dccc65f130c07f0a96c03b32f907c3d1218e9aa5bda03

                SHA512

                ae4f3a9673711ecb6cc5d06874c587341d5094803923b53b6e982278fa64549d7acf866de165e23750facd55da556b6794c0d32f129f4087529c73acd4ffb11e

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

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

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

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

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

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

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

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

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

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

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

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

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

                Filesize

                1.1MB

                MD5

                10e0c2c544c56f8bb1deb536590606ff

                SHA1

                99a8d3a2bc97c8941d0c78bb655e2d57244706f4

                SHA256

                77b7607e09f39f64d606008da2c8009faf892f625843e3db0dff4ac304edba8d

                SHA512

                3fed3afdc39e4635bc9fb6a2525e4850c00d882b15dc8fd218c64d4df1ad4e358564cf3e13f7909aa96c0afcca1c3e48245b83e91b83fa69dd578c98b409f1ea

              • memory/1168-179-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/1396-148-0x0000000003320000-0x0000000003415000-memory.dmp

                Filesize

                980KB

              • memory/1396-147-0x0000000002B80000-0x0000000002C75000-memory.dmp

                Filesize

                980KB

              • memory/1396-145-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/1396-154-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/1396-155-0x0000000003320000-0x0000000003415000-memory.dmp

                Filesize

                980KB

              • memory/1396-158-0x0000000003320000-0x0000000003415000-memory.dmp

                Filesize

                980KB

              • memory/1404-167-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/1404-166-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/1412-209-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/1412-210-0x0000000002AC0000-0x0000000002BB5000-memory.dmp

                Filesize

                980KB

              • memory/1412-211-0x0000000003300000-0x00000000033F5000-memory.dmp

                Filesize

                980KB

              • memory/1464-191-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/1580-169-0x0000000003460000-0x0000000003555000-memory.dmp

                Filesize

                980KB

              • memory/1580-168-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/1580-160-0x0000000002CD0000-0x0000000002DC5000-memory.dmp

                Filesize

                980KB

              • memory/1580-172-0x0000000003460000-0x0000000003555000-memory.dmp

                Filesize

                980KB

              • memory/1580-159-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/1580-161-0x0000000003460000-0x0000000003555000-memory.dmp

                Filesize

                980KB

              • memory/1608-140-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/1608-137-0x0000000000400000-0x000000000045A000-memory.dmp

                Filesize

                360KB

              • memory/1608-153-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/1624-205-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/1624-202-0x00000000032F0000-0x00000000033E5000-memory.dmp

                Filesize

                980KB

              • memory/1624-201-0x0000000002AA0000-0x0000000002B95000-memory.dmp

                Filesize

                980KB

              • memory/1624-197-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/1624-208-0x00000000032F0000-0x00000000033E5000-memory.dmp

                Filesize

                980KB

              • memory/3488-151-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/3488-152-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/4652-203-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/4652-204-0x0000000074AF0000-0x00000000750A1000-memory.dmp

                Filesize

                5.7MB

              • memory/4704-175-0x0000000002B40000-0x0000000002C35000-memory.dmp

                Filesize

                980KB

              • memory/4704-184-0x00000000033A0000-0x0000000003495000-memory.dmp

                Filesize

                980KB

              • memory/4704-181-0x00000000033A0000-0x0000000003495000-memory.dmp

                Filesize

                980KB

              • memory/4704-180-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/4704-176-0x00000000033A0000-0x0000000003495000-memory.dmp

                Filesize

                980KB

              • memory/4704-173-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/4928-138-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/4928-133-0x0000000002C10000-0x0000000002D05000-memory.dmp

                Filesize

                980KB

              • memory/4928-134-0x0000000003460000-0x0000000003555000-memory.dmp

                Filesize

                980KB

              • memory/4928-132-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/4928-139-0x0000000003460000-0x0000000003555000-memory.dmp

                Filesize

                980KB

              • memory/4928-144-0x0000000003460000-0x0000000003555000-memory.dmp

                Filesize

                980KB

              • memory/4988-196-0x00000000033E0000-0x00000000034D5000-memory.dmp

                Filesize

                980KB

              • memory/4988-188-0x00000000033E0000-0x00000000034D5000-memory.dmp

                Filesize

                980KB

              • memory/4988-186-0x0000000002B90000-0x0000000002C85000-memory.dmp

                Filesize

                980KB

              • memory/4988-192-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/4988-185-0x0000000000400000-0x00000000004FF000-memory.dmp

                Filesize

                1020KB

              • memory/4988-193-0x00000000033E0000-0x00000000034D5000-memory.dmp

                Filesize

                980KB