Overview

overview

10

Static

static

INVOICE-PD...PY.exe

windows7_x64

10

INVOICE-PD...PY.exe

windows10_x64

7

Analysis

  • max time kernel
    9s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18-01-2021 18:29

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General

  • Target

    INVOICE-PDF- SCAN COPY.exe

  • Size

    1.5MB

  • MD5

    e6a1db28e3fa9241f8a37fc24a6bd0e7

  • SHA1

    7c3c1c035d5022f035928fba257af94fe4ad81c6

  • SHA256

    ce97e49dca586f267017b8d8778e65e58ca39162d738f696704ce287ad502d9b

  • SHA512

    b3faf1f325fa73d685ce8a44f48d886198c2a07c12aa11c77d017c5f078fa8806f7fd944777dc5a017cdddda356b32c62a2d5a9c7d2df03d6d17c8a55bc03c01

Score
10/10
remcospersistencerat

Malware Config

Extracted

Family

remcos

C2

eileenwmsscm.duckdns.org:2558

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • Executes dropped EXE 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 44 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 189 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:296
    • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
      2⤵
        PID:1060
      • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
        "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
        2⤵
          PID:1216
        • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
          "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
          2⤵
            PID:1364
          • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
            "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
            2⤵
              PID:1292
            • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
              "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
              2⤵
                PID:1624
              • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                2⤵
                  PID:1580
                • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                  "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                  2⤵
                    PID:1680
                  • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                    "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                    2⤵
                      PID:1576
                    • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                      "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                      2⤵
                        PID:1588
                      • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                        "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                        2⤵
                          PID:1376
                        • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                          "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                          2⤵
                            PID:880
                          • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                            "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                            2⤵
                              PID:608
                            • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                              "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                              2⤵
                                PID:1220
                              • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                2⤵
                                  PID:1444
                                • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                  "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                  2⤵
                                    PID:764
                                  • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                    "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                    2⤵
                                      PID:396
                                    • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                      "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                      2⤵
                                        PID:332
                                      • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                        "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                        2⤵
                                          PID:556
                                        • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                          "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                          2⤵
                                            PID:1020
                                          • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                            "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                            2⤵
                                              PID:572
                                            • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                              "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                              2⤵
                                                PID:1516
                                              • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                2⤵
                                                  PID:976
                                                • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                  2⤵
                                                    PID:700
                                                  • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                    2⤵
                                                      PID:772
                                                    • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                      "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                      2⤵
                                                        PID:816
                                                      • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                        2⤵
                                                          PID:1940
                                                        • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                          2⤵
                                                            PID:948
                                                          • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                            2⤵
                                                              PID:592
                                                            • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                              "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                              2⤵
                                                                PID:616
                                                              • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                2⤵
                                                                  PID:964
                                                                • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                  "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                  2⤵
                                                                    PID:544
                                                                  • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                    "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                    2⤵
                                                                      PID:1616
                                                                    • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                      "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                      2⤵
                                                                        PID:1144
                                                                      • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                        "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                        2⤵
                                                                          PID:1324
                                                                        • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                          "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                          2⤵
                                                                            PID:1468
                                                                          • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                            "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                            2⤵
                                                                              PID:560
                                                                            • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                              "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                              2⤵
                                                                                PID:1928
                                                                              • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                                "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                                2⤵
                                                                                  PID:1520
                                                                                • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                                  "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                                  2⤵
                                                                                    PID:680
                                                                                  • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                                    "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                                    2⤵
                                                                                      PID:888
                                                                                    • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                                      "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                                      2⤵
                                                                                        PID:2032
                                                                                      • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                                        "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                                        2⤵
                                                                                          PID:1668
                                                                                        • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                                          "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                                          2⤵
                                                                                            PID:1660
                                                                                          • C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe
                                                                                            "C:\Users\Admin\AppData\Local\Temp\INVOICE-PDF- SCAN COPY.exe"
                                                                                            2⤵
                                                                                            • Adds Run key to start application
                                                                                            PID:316
                                                                                            • C:\Windows\SysWOW64\WScript.exe
                                                                                              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
                                                                                              3⤵
                                                                                                PID:1084
                                                                                                • C:\Windows\SysWOW64\cmd.exe
                                                                                                  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe"
                                                                                                  4⤵
                                                                                                  • Loads dropped DLL
                                                                                                  PID:1236
                                                                                                  • C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe
                                                                                                    C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe
                                                                                                    5⤵
                                                                                                    • Executes dropped EXE
                                                                                                    • Suspicious use of FindShellTrayWindow
                                                                                                    • Suspicious use of SendNotifyMessage
                                                                                                    PID:1512

                                                                                          Network

                                                                                          MITRE ATT&CK Enterprise v6

                                                                                          Replay Monitor

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                                                                                          Downloads

                                                                                          • C:\Users\Admin\AppData\Local\Temp\install.vbs
                                                                                            MD5

                                                                                            b92d64fe5b1d1f59df4b738262aea8df

                                                                                            SHA1

                                                                                            c8fb1981759c2d9bb2ec91b705985fba5fc7af63

                                                                                            SHA256

                                                                                            fa20e9aab03dc8e9f1910aaf0cf42662379fa16ae3a22642084fb97fa3d4f83a

                                                                                            SHA512

                                                                                            2566248b93c0cfb0414f033b8dd18bbd4f88180093eac2861107289bcb4ee160f9593706ff1f7d1f2e4ecea430d67a5a2897551a4f9ebd82b707243e300520e2

                                                                                            Download Submit

                                                                                          • C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe
                                                                                            MD5

                                                                                            e6a1db28e3fa9241f8a37fc24a6bd0e7

                                                                                            SHA1

                                                                                            7c3c1c035d5022f035928fba257af94fe4ad81c6

                                                                                            SHA256

                                                                                            ce97e49dca586f267017b8d8778e65e58ca39162d738f696704ce287ad502d9b

                                                                                            SHA512

                                                                                            b3faf1f325fa73d685ce8a44f48d886198c2a07c12aa11c77d017c5f078fa8806f7fd944777dc5a017cdddda356b32c62a2d5a9c7d2df03d6d17c8a55bc03c01

                                                                                            Download Submit

                                                                                          • C:\Users\Admin\AppData\Roaming\Remcos\remcos.exe
                                                                                            MD5

                                                                                            e6a1db28e3fa9241f8a37fc24a6bd0e7

                                                                                            SHA1

                                                                                            7c3c1c035d5022f035928fba257af94fe4ad81c6

                                                                                            SHA256

                                                                                            ce97e49dca586f267017b8d8778e65e58ca39162d738f696704ce287ad502d9b

                                                                                            SHA512

                                                                                            b3faf1f325fa73d685ce8a44f48d886198c2a07c12aa11c77d017c5f078fa8806f7fd944777dc5a017cdddda356b32c62a2d5a9c7d2df03d6d17c8a55bc03c01

                                                                                            Download Submit

                                                                                          • \Users\Admin\AppData\Roaming\Remcos\remcos.exe
                                                                                            MD5

                                                                                            e6a1db28e3fa9241f8a37fc24a6bd0e7

                                                                                            SHA1

                                                                                            7c3c1c035d5022f035928fba257af94fe4ad81c6

                                                                                            SHA256

                                                                                            ce97e49dca586f267017b8d8778e65e58ca39162d738f696704ce287ad502d9b

                                                                                            SHA512

                                                                                            b3faf1f325fa73d685ce8a44f48d886198c2a07c12aa11c77d017c5f078fa8806f7fd944777dc5a017cdddda356b32c62a2d5a9c7d2df03d6d17c8a55bc03c01

                                                                                            Download Submit

                                                                                          • memory/296-7-0x00000000000B0000-0x00000000000B3000-memory.dmp

                                                                                            Filesize

                                                                                            12KB

                                                                                            Download

                                                                                          • memory/296-5-0x0000000000150000-0x0000000000171000-memory.dmp

                                                                                            Filesize

                                                                                            132KB

                                                                                            Download

                                                                                          • memory/296-2-0x0000000076381000-0x0000000076383000-memory.dmp

                                                                                            Filesize

                                                                                            8KB

                                                                                            Download

                                                                                          • memory/316-6-0x0000000000400000-0x0000000000421000-memory.dmp

                                                                                            Filesize

                                                                                            132KB

                                                                                            Download

                                                                                          • memory/316-3-0x0000000000413FA4-mapping.dmp

                                                                                            Download

                                                                                          • memory/1084-8-0x0000000000000000-mapping.dmp

                                                                                            Download

                                                                                          • memory/1084-12-0x0000000002770000-0x0000000002774000-memory.dmp

                                                                                            Filesize

                                                                                            16KB

                                                                                            Download

                                                                                          • memory/1236-11-0x0000000000000000-mapping.dmp

                                                                                            Download

                                                                                          • memory/1512-15-0x0000000000000000-mapping.dmp

                                                                                            Download