Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:20

General

  • Target

    a025c0e61987ac5dff969885b12ced5a1064ab0b0ae71e3751eb0331b3e6332e.exe

  • Size

    539KB

  • MD5

    a45778de16313f7bdf760c890122347f

  • SHA1

    5c1544de791cd35041106e4bdf7b5f3c5a0c9c65

  • SHA256

    a025c0e61987ac5dff969885b12ced5a1064ab0b0ae71e3751eb0331b3e6332e

  • SHA512

    1efee5745ad4741b77309bde7c0063ba3d8a4b8eba44489acea81a8df89b89ccd657256c6305e47064840078d747670ef29dff093e2d107b60e002104c1a2af3

  • SSDEEP

    12288:1MrPy906oA/07qnoBKRBSCaNRi5iNeTwwmZsFwF8vu:uyavqnogMQnZwF8G

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\a025c0e61987ac5dff969885b12ced5a1064ab0b0ae71e3751eb0331b3e6332e.exe
    "C:\Users\Admin\AppData\Local\Temp\a025c0e61987ac5dff969885b12ced5a1064ab0b0ae71e3751eb0331b3e6332e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6275139.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6275139.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3248
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g0009234.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g0009234.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2756
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h3444670.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h3444670.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2584
        • 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:2828
          • 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:3292
          • 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:3404
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:2248
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "saves.exe" /P "Admin:N"
                6⤵
                  PID:4560
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "saves.exe" /P "Admin:R" /E
                  6⤵
                    PID:2540
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:684
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\b40d11255d" /P "Admin:N"
                      6⤵
                        PID:1840
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\b40d11255d" /P "Admin:R" /E
                        6⤵
                          PID:1948
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i7693563.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i7693563.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2944
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1436
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4380

              Network

              MITRE ATT&CK Matrix ATT&CK v13

              Execution

              Scheduled Task/Job

              1
              T1053

              Persistence

              Create or Modify System Process

              1
              T1543

              Windows Service

              1
              T1543.003

              Boot or Logon Autostart Execution

              1
              T1547

              Registry Run Keys / Startup Folder

              1
              T1547.001

              Scheduled Task/Job

              1
              T1053

              Privilege Escalation

              Create or Modify System Process

              1
              T1543

              Windows Service

              1
              T1543.003

              Boot or Logon Autostart Execution

              1
              T1547

              Registry Run Keys / Startup Folder

              1
              T1547.001

              Scheduled Task/Job

              1
              T1053

              Defense Evasion

              Modify Registry

              3
              T1112

              Impair Defenses

              2
              T1562

              Disable or Modify Tools

              2
              T1562.001

              Discovery

              Query Registry

              1
              T1012

              System Information Discovery

              2
              T1082

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i7693563.exe
                Filesize

                173KB

                MD5

                256ff37205e473df17a94ac4124bcbd3

                SHA1

                10156e81765bad8b6bab124a8d3fc42f55864e51

                SHA256

                b5e451dc86781ad98f1d86d3d96e1fb61e6b48242bd4f106402f69e1ef7e1d9f

                SHA512

                cc246f9c79fcf4746fc58b1be1dab3f4941fcd82bbcb5f91911f0e86cb14853a6176cb119cad2126ea0c146c20c823a9c7ee89ac731c1a3fe0441ff4703731c2

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6275139.exe
                Filesize

                384KB

                MD5

                505daad07a1ad98a666dcbc386d7239d

                SHA1

                86805ddaa1de086e53898337738734630dfb5c9e

                SHA256

                ac4e3896b136603cb0c7133d7530ad7f68b5b40fc6099840a6342c082cace3ec

                SHA512

                b2bc758d8085f1d357473bc2e181480c028ff3c82550e9927bec1d18f2b30a8694244e9a8255836f3516d9861ba732232728eaefb0248212e9105c3d87ee7891

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g0009234.exe
                Filesize

                185KB

                MD5

                a39dea187a59762212d62cf760d928b2

                SHA1

                db6f60b5405c803fcc6fdf71b706e88e5a738415

                SHA256

                d99e422e8ec3906e23172586ed4598fc0a688844ea2cba71a20086c460d6a805

                SHA512

                77c78a66df1aa8a095c230d64b5629e459266a149dc98fe3b37adc99c1d0041f443cabd96d52445e9b0929fa364f1d7bd6fb2cfbc77ce9c00c7a44a88ee9b8f6

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h3444670.exe
                Filesize

                336KB

                MD5

                7466ba3b591d7b7901d9f982a2bac556

                SHA1

                e223e08ecf3834ab0be1c61fe92b06e97279e5a0

                SHA256

                3f99b316b12aaaac5a490985f51022edd91055664ccbb79a84e5108cb0743957

                SHA512

                beb20cea85025baef06570e96c169bccf54c16239620136e623ef1ebd291754f6f312eb2c6a1901276579837cfa0539c5b97a41528088c76ff0b8afe99f4db3e

              • memory/2756-47-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-25-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-18-0x0000000002670000-0x000000000268C000-memory.dmp
                Filesize

                112KB

              • memory/2756-19-0x0000000074280000-0x0000000074A30000-memory.dmp
                Filesize

                7.7MB

              • memory/2756-16-0x0000000074280000-0x0000000074A30000-memory.dmp
                Filesize

                7.7MB

              • memory/2756-45-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-43-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-41-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-39-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-37-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-35-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-33-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-31-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-29-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-27-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-17-0x0000000004C20000-0x00000000051C4000-memory.dmp
                Filesize

                5.6MB

              • memory/2756-23-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-21-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-20-0x0000000002670000-0x0000000002686000-memory.dmp
                Filesize

                88KB

              • memory/2756-49-0x0000000074280000-0x0000000074A30000-memory.dmp
                Filesize

                7.7MB

              • memory/2756-15-0x00000000021E0000-0x00000000021FE000-memory.dmp
                Filesize

                120KB

              • memory/2756-14-0x000000007428E000-0x000000007428F000-memory.dmp
                Filesize

                4KB

              • memory/2944-65-0x00000000001F0000-0x0000000000220000-memory.dmp
                Filesize

                192KB

              • memory/2944-66-0x0000000002210000-0x0000000002216000-memory.dmp
                Filesize

                24KB

              • memory/2944-67-0x0000000005170000-0x0000000005788000-memory.dmp
                Filesize

                6.1MB

              • memory/2944-68-0x0000000004C60000-0x0000000004D6A000-memory.dmp
                Filesize

                1.0MB

              • memory/2944-69-0x0000000004B70000-0x0000000004B82000-memory.dmp
                Filesize

                72KB

              • memory/2944-70-0x0000000004BD0000-0x0000000004C0C000-memory.dmp
                Filesize

                240KB

              • memory/2944-71-0x0000000004D70000-0x0000000004DBC000-memory.dmp
                Filesize

                304KB