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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2023, 13:36

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 7 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 56 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:3720
    • 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:3896
    • 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:1612
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
        3⤵
          PID:4852
        • 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:1260
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
            4⤵
              PID:3964
            • 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:2212
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
                "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
                5⤵
                  PID:1444
                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
                  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
                  5⤵
                    PID:316
                  • 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:4020
                    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
                      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
                      6⤵
                        PID:4408
                      • 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:2248
                        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
                          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
                          7⤵
                            PID:5096
                          • C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                            C:\Users\Admin\AppData\Local\Temp\VQwinup.exe
                            7⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of WriteProcessMemory
                            PID:1452
                            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
                              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
                              8⤵
                                PID:4508

                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:\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/316-177-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/1260-160-0x0000000003330000-0x0000000003425000-memory.dmp

                  Filesize

                  980KB

                • memory/1260-165-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/1260-169-0x0000000003330000-0x0000000003425000-memory.dmp

                  Filesize

                  980KB

                • memory/1260-157-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/1260-159-0x0000000002B90000-0x0000000002C85000-memory.dmp

                  Filesize

                  980KB

                • memory/1260-166-0x0000000003330000-0x0000000003425000-memory.dmp

                  Filesize

                  980KB

                • memory/1452-211-0x00000000032F0000-0x00000000033E5000-memory.dmp

                  Filesize

                  980KB

                • memory/1452-208-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/1452-210-0x0000000002A90000-0x0000000002B85000-memory.dmp

                  Filesize

                  980KB

                • memory/1612-156-0x0000000003360000-0x0000000003455000-memory.dmp

                  Filesize

                  980KB

                • memory/1612-150-0x0000000003360000-0x0000000003455000-memory.dmp

                  Filesize

                  980KB

                • memory/1612-149-0x0000000002B00000-0x0000000002BF5000-memory.dmp

                  Filesize

                  980KB

                • memory/1612-153-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/1612-145-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/2212-171-0x0000000002A70000-0x0000000002B65000-memory.dmp

                  Filesize

                  980KB

                • memory/2212-178-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/2212-182-0x00000000032C0000-0x00000000033B5000-memory.dmp

                  Filesize

                  980KB

                • memory/2212-170-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/2212-172-0x00000000032C0000-0x00000000033B5000-memory.dmp

                  Filesize

                  980KB

                • memory/2212-179-0x00000000032C0000-0x00000000033B5000-memory.dmp

                  Filesize

                  980KB

                • memory/2248-203-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/2248-195-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/2248-197-0x0000000003320000-0x0000000003415000-memory.dmp

                  Filesize

                  980KB

                • memory/2248-196-0x0000000002B70000-0x0000000002C65000-memory.dmp

                  Filesize

                  980KB

                • memory/2248-207-0x0000000003320000-0x0000000003415000-memory.dmp

                  Filesize

                  980KB

                • memory/2248-204-0x0000000003320000-0x0000000003415000-memory.dmp

                  Filesize

                  980KB

                • memory/3720-133-0x0000000002BD0000-0x0000000002CC5000-memory.dmp

                  Filesize

                  980KB

                • memory/3720-136-0x0000000003420000-0x0000000003515000-memory.dmp

                  Filesize

                  980KB

                • memory/3720-144-0x0000000003420000-0x0000000003515000-memory.dmp

                  Filesize

                  980KB

                • memory/3720-132-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/3720-139-0x0000000002BD0000-0x0000000002CC5000-memory.dmp

                  Filesize

                  980KB

                • memory/3720-138-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/3896-135-0x0000000000400000-0x000000000045A000-memory.dmp

                  Filesize

                  360KB

                • memory/3896-137-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/3896-140-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/3964-164-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/4020-185-0x0000000002B10000-0x0000000002C05000-memory.dmp

                  Filesize

                  980KB

                • memory/4020-191-0x0000000003360000-0x0000000003455000-memory.dmp

                  Filesize

                  980KB

                • memory/4020-194-0x0000000003360000-0x0000000003455000-memory.dmp

                  Filesize

                  980KB

                • memory/4020-190-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/4020-186-0x0000000003360000-0x0000000003455000-memory.dmp

                  Filesize

                  980KB

                • memory/4020-183-0x0000000000400000-0x00000000004FF000-memory.dmp

                  Filesize

                  1020KB

                • memory/4408-189-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/4508-214-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/4852-151-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/4852-152-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/5096-202-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB

                • memory/5096-201-0x0000000074E80000-0x0000000075431000-memory.dmp

                  Filesize

                  5.7MB