Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:20

General

  • Target

    5e70f35516878f784c795b9bc0d243a75bde82267717162cdb1838a7e102b600.exe

  • Size

    540KB

  • MD5

    4c6202ca27eb3db897c82c8b078592ca

  • SHA1

    dec25fca3509c65005bfec21a5c058dc16ec6264

  • SHA256

    5e70f35516878f784c795b9bc0d243a75bde82267717162cdb1838a7e102b600

  • SHA512

    f765a0fba8a60c0eafbb5c5a51e56f05cdf71f4e3af472bb05547da9af3bfef3dca1f644b43d39d574b9697d6c2de551e4209ac3d11e90aa79f83436756b01fe

  • SSDEEP

    12288:yMruy90B65+x8NqnoBu5z6NY9DBqwFEjcL4:4yr4xwqnoc31pEjck

Malware Config

Extracted

Family

amadey

Version

3.87

Botnet

59b440

C2

http://77.91.68.18

Attributes
  • install_dir

    b40d11255d

  • install_file

    saves.exe

  • strings_key

    fa622dfc42544927a6471829ee1fa9fe

  • url_paths

    /nice/index.php

rc4.plain

Extracted

Family

redline

Botnet

mrak

C2

77.91.124.82:19071

Attributes
  • auth_value

    7d9a335ab5dfd42d374867c96fe25302

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • RedLine payload 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e70f35516878f784c795b9bc0d243a75bde82267717162cdb1838a7e102b600.exe
    "C:\Users\Admin\AppData\Local\Temp\5e70f35516878f784c795b9bc0d243a75bde82267717162cdb1838a7e102b600.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x7669086.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x7669086.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:440
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9378982.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9378982.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3224
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h9272460.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h9272460.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
          "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2912
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:1724
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2328
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:764
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "saves.exe" /P "Admin:N"
                6⤵
                  PID:2216
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "saves.exe" /P "Admin:R" /E
                  6⤵
                    PID:4332
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:4028
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\b40d11255d" /P "Admin:N"
                      6⤵
                        PID:2700
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\b40d11255d" /P "Admin:R" /E
                        6⤵
                          PID:2724
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i6890094.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i6890094.exe
                  2⤵
                  • Executes dropped EXE
                  PID:4452
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1584
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4140

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i6890094.exe

                Filesize

                174KB

                MD5

                34f8be57dbb89afcc2c5c0384c4b4a39

                SHA1

                27b34e32ed5fd416c1b3d29a1b106dbfadc9008d

                SHA256

                c9a5bfbdf9b97b3985a3415c8d46d01f89c40ec4c62965b7a2847d82186bb031

                SHA512

                1f02a73263cb6c27baed0e8572a2336e4a9f8ca055652a3c19b9e137c0b2ad842826ecca1b0c4e2fb0067738ded3ea63b303016dee6f359a9c3a72ad732cf8f4

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x7669086.exe

                Filesize

                384KB

                MD5

                52cb02c9acc922cf2f535300e6f5a031

                SHA1

                4d9cac7f6c4cef3262f49d192c5ae1825f99beb3

                SHA256

                666007104749481a0a25d22b0631a006825c87bec6817ef640ae34cb6192933b

                SHA512

                f0cd8484d02f93961d98982f5a2cdbf4cf6af7edb2272bf03ac7fb9e432c5840ed0d6a7ad1c988bf7da9637c13b11cbe9441ca9630307e31458728c58b9d8f90

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9378982.exe

                Filesize

                202KB

                MD5

                88edc14aab22a9f5a06b8c975d368c2d

                SHA1

                1fb0829f4d24ec3310127568b34d87547d97ac7b

                SHA256

                cad5b671b29765404f342249e6e061a08c224415ffd2941525bf73fd9804037d

                SHA512

                c1a94fc08a0f75380f5e40366974813f8768204e8291d48461418c3fe89e4af96b63cceb2723ecc74994c735127141e392728e8159a9a405c20a776f4a399fd5

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h9272460.exe

                Filesize

                337KB

                MD5

                bca53761508862e23870c4b61ad2ee5b

                SHA1

                24a0eba54c168e4147e818f063bfe767e3557498

                SHA256

                91c38f5e0ae19b02230c32b095ed4048802db554c29d7b9606dc98fd10b9aa27

                SHA512

                53996e3b017d88b4527c0f030c8080d022cc2712135de90b5fa32e67fb63a69834280e2a38333d4f05476051aec1784b6330d4036bd0aecf4bc51f5664cec9cf

              • memory/3224-25-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-20-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-18-0x0000000002680000-0x000000000269C000-memory.dmp

                Filesize

                112KB

              • memory/3224-19-0x0000000074110000-0x00000000748C0000-memory.dmp

                Filesize

                7.7MB

              • memory/3224-47-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-39-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-37-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-35-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-33-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-31-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-29-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-27-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-17-0x0000000004D10000-0x00000000052B4000-memory.dmp

                Filesize

                5.6MB

              • memory/3224-23-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-21-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-16-0x0000000074110000-0x00000000748C0000-memory.dmp

                Filesize

                7.7MB

              • memory/3224-45-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-43-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-41-0x0000000002680000-0x0000000002696000-memory.dmp

                Filesize

                88KB

              • memory/3224-48-0x0000000074110000-0x00000000748C0000-memory.dmp

                Filesize

                7.7MB

              • memory/3224-50-0x0000000074110000-0x00000000748C0000-memory.dmp

                Filesize

                7.7MB

              • memory/3224-15-0x00000000023C0000-0x00000000023DE000-memory.dmp

                Filesize

                120KB

              • memory/3224-14-0x000000007411E000-0x000000007411F000-memory.dmp

                Filesize

                4KB

              • memory/4452-66-0x0000000000770000-0x00000000007A0000-memory.dmp

                Filesize

                192KB

              • memory/4452-67-0x0000000001070000-0x0000000001076000-memory.dmp

                Filesize

                24KB

              • memory/4452-68-0x00000000056F0000-0x0000000005D08000-memory.dmp

                Filesize

                6.1MB

              • memory/4452-69-0x00000000051E0000-0x00000000052EA000-memory.dmp

                Filesize

                1.0MB

              • memory/4452-70-0x00000000050F0000-0x0000000005102000-memory.dmp

                Filesize

                72KB

              • memory/4452-71-0x0000000005150000-0x000000000518C000-memory.dmp

                Filesize

                240KB

              • memory/4452-72-0x00000000052F0000-0x000000000533C000-memory.dmp

                Filesize

                304KB