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Analysis

  • max time kernel
    98s
  • max time network
    646s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    01-09-2021 05:12

General

  • Target

    Setup (16).exe

  • Size

    631KB

  • MD5

    cb927513ff8ebff4dd52a47f7e42f934

  • SHA1

    0de47c02a8adc4940a6c18621b4e4a619641d029

  • SHA256

    fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f

  • SHA512

    988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c

Malware Config

Extracted

Family

redline

Botnet

1

C2

37.0.8.88:44263

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 21 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup (16).exe
    "C:\Users\Admin\AppData\Local\Temp\Setup (16).exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\Documents\rOxBKnlPyghMxNPh4WeCms11.exe
      "C:\Users\Admin\Documents\rOxBKnlPyghMxNPh4WeCms11.exe"
      2⤵
      • Executes dropped EXE
      PID:1564
      • C:\Users\Admin\Documents\rOxBKnlPyghMxNPh4WeCms11.exe
        "C:\Users\Admin\Documents\rOxBKnlPyghMxNPh4WeCms11.exe"
        3⤵
          PID:1852
      • C:\Users\Admin\Documents\aObk3DxmExqDGTBU_YVzaCc6.exe
        "C:\Users\Admin\Documents\aObk3DxmExqDGTBU_YVzaCc6.exe"
        2⤵
        • Executes dropped EXE
        PID:1952
      • C:\Users\Admin\Documents\h7C6QwyisDIaHHDL4NN3slSb.exe
        "C:\Users\Admin\Documents\h7C6QwyisDIaHHDL4NN3slSb.exe"
        2⤵
        • Executes dropped EXE
        PID:1352
      • C:\Users\Admin\Documents\sop9LyxmE__ucRwAWxLkubwW.exe
        "C:\Users\Admin\Documents\sop9LyxmE__ucRwAWxLkubwW.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1632
      • C:\Users\Admin\Documents\YjqDkyMDMckgVNvp3Ld6hg9x.exe
        "C:\Users\Admin\Documents\YjqDkyMDMckgVNvp3Ld6hg9x.exe"
        2⤵
        • Executes dropped EXE
        PID:1600
      • C:\Users\Admin\Documents\zTTFgsfFrmGXOtha6_XML6ce.exe
        "C:\Users\Admin\Documents\zTTFgsfFrmGXOtha6_XML6ce.exe"
        2⤵
        • Executes dropped EXE
        PID:904
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\KBAvfsr.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\KBAvfsr.exe"
          3⤵
            PID:1748
          • C:\Users\Admin\AppData\Local\Temp\RarSFX0\FkDS8ej.exe
            "C:\Users\Admin\AppData\Local\Temp\RarSFX0\FkDS8ej.exe"
            3⤵
              PID:3028
          • C:\Users\Admin\Documents\7Rrg2yXiBk9crEuWu9z8wOr3.exe
            "C:\Users\Admin\Documents\7Rrg2yXiBk9crEuWu9z8wOr3.exe"
            2⤵
            • Executes dropped EXE
            PID:1684
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 860
              3⤵
              • Program crash
              PID:2996
          • C:\Users\Admin\Documents\FtJePrCVeuA_Ugt45aAAcUXL.exe
            "C:\Users\Admin\Documents\FtJePrCVeuA_Ugt45aAAcUXL.exe"
            2⤵
            • Executes dropped EXE
            PID:912
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\03059189180.exe"
              3⤵
                PID:3024
                • C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\03059189180.exe
                  "C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\03059189180.exe"
                  4⤵
                    PID:2388
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\55867686485.exe" /mix
                  3⤵
                    PID:316
                    • C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\55867686485.exe
                      "C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\55867686485.exe" /mix
                      4⤵
                        PID:956
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\93646622847.exe" /mix
                      3⤵
                        PID:668
                        • C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\93646622847.exe
                          "C:\Users\Admin\AppData\Local\Temp\{zZCM-6i2Ji-vg8V-bBJi3}\93646622847.exe" /mix
                          4⤵
                            PID:1480
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c taskkill /im "FtJePrCVeuA_Ugt45aAAcUXL.exe" /f & erase "C:\Users\Admin\Documents\FtJePrCVeuA_Ugt45aAAcUXL.exe" & exit
                          3⤵
                            PID:1100
                            • C:\Windows\SysWOW64\taskkill.exe
                              taskkill /im "FtJePrCVeuA_Ugt45aAAcUXL.exe" /f
                              4⤵
                              • Kills process with taskkill
                              PID:2728
                        • C:\Users\Admin\Documents\PcnVr7hQpH7uOP0mNKhyvxPY.exe
                          "C:\Users\Admin\Documents\PcnVr7hQpH7uOP0mNKhyvxPY.exe"
                          2⤵
                          • Executes dropped EXE
                          PID:1472
                        • C:\Users\Admin\Documents\nvFizojnB2Xu73stPA9pooIg.exe
                          "C:\Users\Admin\Documents\nvFizojnB2Xu73stPA9pooIg.exe"
                          2⤵
                          • Executes dropped EXE
                          PID:1824
                        • C:\Users\Admin\Documents\Qd2NWgQYSNvLC4NoJthMqavM.exe
                          "C:\Users\Admin\Documents\Qd2NWgQYSNvLC4NoJthMqavM.exe"
                          2⤵
                          • Executes dropped EXE
                          PID:568
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe"
                            3⤵
                              PID:2980
                              • C:\Program Files\Mozilla Firefox\firefox.exe
                                "C:\Program Files\Mozilla Firefox\firefox.exe"
                                4⤵
                                  PID:1976
                            • C:\Users\Admin\Documents\ZSOpIO0jsfjkncRoyXxGeKdT.exe
                              "C:\Users\Admin\Documents\ZSOpIO0jsfjkncRoyXxGeKdT.exe"
                              2⤵
                              • Executes dropped EXE
                              PID:1696
                            • C:\Users\Admin\Documents\1HdeeKdYyfFVGOh3bpaSfYw3.exe
                              "C:\Users\Admin\Documents\1HdeeKdYyfFVGOh3bpaSfYw3.exe"
                              2⤵
                              • Executes dropped EXE
                              PID:1796
                            • C:\Users\Admin\Documents\mSzvZNAR8aeM8ddWElEyiVxp.exe
                              "C:\Users\Admin\Documents\mSzvZNAR8aeM8ddWElEyiVxp.exe"
                              2⤵
                                PID:772
                              • C:\Users\Admin\Documents\EWvwh75CE7CxUGEzWfwYwQUD.exe
                                "C:\Users\Admin\Documents\EWvwh75CE7CxUGEzWfwYwQUD.exe"
                                2⤵
                                  PID:1496
                                • C:\Users\Admin\Documents\8xbr39GOZhdaP6t2BdbKIn__.exe
                                  "C:\Users\Admin\Documents\8xbr39GOZhdaP6t2BdbKIn__.exe"
                                  2⤵
                                    PID:1668
                                  • C:\Users\Admin\Documents\XvMkYQlUvyOfA6r7NpwZcrcI.exe
                                    "C:\Users\Admin\Documents\XvMkYQlUvyOfA6r7NpwZcrcI.exe"
                                    2⤵
                                      PID:848
                                    • C:\Users\Admin\Documents\ceS0VX2xGwgUdZU60zwcjdyx.exe
                                      "C:\Users\Admin\Documents\ceS0VX2xGwgUdZU60zwcjdyx.exe"
                                      2⤵
                                        PID:1140
                                        • C:\Users\Admin\Documents\ceS0VX2xGwgUdZU60zwcjdyx.exe
                                          C:\Users\Admin\Documents\ceS0VX2xGwgUdZU60zwcjdyx.exe
                                          3⤵
                                            PID:1200
                                          • C:\Users\Admin\Documents\ceS0VX2xGwgUdZU60zwcjdyx.exe
                                            C:\Users\Admin\Documents\ceS0VX2xGwgUdZU60zwcjdyx.exe
                                            3⤵
                                              PID:2904
                                            • C:\Users\Admin\Documents\ceS0VX2xGwgUdZU60zwcjdyx.exe
                                              C:\Users\Admin\Documents\ceS0VX2xGwgUdZU60zwcjdyx.exe
                                              3⤵
                                                PID:3052
                                            • C:\Users\Admin\Documents\n45tMbUqH4M3vILKRE90ywRK.exe
                                              "C:\Users\Admin\Documents\n45tMbUqH4M3vILKRE90ywRK.exe"
                                              2⤵
                                                PID:1624
                                              • C:\Users\Admin\Documents\4LorWZrTRwFBdaB5MunDWASf.exe
                                                "C:\Users\Admin\Documents\4LorWZrTRwFBdaB5MunDWASf.exe"
                                                2⤵
                                                  PID:1476
                                                • C:\Users\Admin\Documents\qfvZxASsJkSWJwIEZfKqdJyY.exe
                                                  "C:\Users\Admin\Documents\qfvZxASsJkSWJwIEZfKqdJyY.exe"
                                                  2⤵
                                                    PID:1968
                                                  • C:\Users\Admin\Documents\77K3WyFXx8ymvB56kSLH0v80.exe
                                                    "C:\Users\Admin\Documents\77K3WyFXx8ymvB56kSLH0v80.exe"
                                                    2⤵
                                                      PID:1620
                                                      • C:\Program Files (x86)\Company\NewProduct\inst001.exe
                                                        "C:\Program Files (x86)\Company\NewProduct\inst001.exe"
                                                        3⤵
                                                          PID:2272
                                                        • C:\Program Files (x86)\Company\NewProduct\cutm3.exe
                                                          "C:\Program Files (x86)\Company\NewProduct\cutm3.exe"
                                                          3⤵
                                                            PID:2288
                                                          • C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe
                                                            "C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe"
                                                            3⤵
                                                              PID:2348

                                                        Network

                                                        MITRE ATT&CK Enterprise v6

                                                        Replay Monitor

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                                                        Downloads

                                                        • memory/568-188-0x0000000004BD0000-0x0000000004C9F000-memory.dmp

                                                          Filesize

                                                          828KB

                                                        • memory/568-201-0x0000000004B00000-0x0000000004BCD000-memory.dmp

                                                          Filesize

                                                          820KB

                                                        • memory/568-204-0x00000000008C0000-0x00000000008CB000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/772-155-0x0000000000100000-0x0000000000101000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1140-177-0x0000000000C90000-0x0000000000C91000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1200-191-0x0000000000400000-0x000000000044A000-memory.dmp

                                                          Filesize

                                                          296KB

                                                        • memory/1200-195-0x0000000000400000-0x000000000044A000-memory.dmp

                                                          Filesize

                                                          296KB

                                                        • memory/1352-157-0x0000000000890000-0x0000000000891000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1472-159-0x00000000003F0000-0x00000000003F1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1632-102-0x0000000000210000-0x0000000000228000-memory.dmp

                                                          Filesize

                                                          96KB

                                                        • memory/1632-104-0x000000001AEE0000-0x000000001AEE2000-memory.dmp

                                                          Filesize

                                                          8KB

                                                        • memory/1632-84-0x0000000000050000-0x0000000000051000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1668-165-0x00000000009B0000-0x00000000009B1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1796-131-0x0000000001040000-0x0000000001041000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1852-147-0x0000000000400000-0x0000000000409000-memory.dmp

                                                          Filesize

                                                          36KB

                                                        • memory/2008-61-0x0000000003D30000-0x0000000003E6F000-memory.dmp

                                                          Filesize

                                                          1.2MB

                                                        • memory/2008-60-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

                                                          Filesize

                                                          8KB