Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 18:21

General

  • Target

    437213eb4b67386b44ee8203e45489fe45f788fa215cc4f60982184a2231a6b5.exe

  • Size

    390KB

  • MD5

    23e7870a4f54dc6fc956afc6759af6c9

  • SHA1

    5d27746771ffca43b616dc354411cc1095c4c614

  • SHA256

    437213eb4b67386b44ee8203e45489fe45f788fa215cc4f60982184a2231a6b5

  • SHA512

    fefd9eb34cd8bf6916c6cf1e3ab22b4e691fac02a0bd147f5f0c981f56e5df5b7fe377d1ca9ec184f1617192705f2827c884118d83621f878ef20cea455babb1

  • SSDEEP

    6144:KVy+bnr+yp0yN90QEXDMl237e/srokwdpCUVrebbPg4g+AVmCN6bD4GbpDYHoArv:jMrWy90V0Ge/2wdEwn4DAqbVYIArv

Malware Config

Extracted

Family

amadey

Version

3.86

C2

http://77.91.68.61

Attributes
  • install_dir

    925e7e99c5

  • install_file

    pdates.exe

  • strings_key

    ada76b8b0e1f6892ee93c20ab8946117

  • url_paths

    /rock/index.php

rc4.plain

Extracted

Family

redline

Botnet

krast

C2

77.91.68.68:19071

Attributes
  • auth_value

    9059ea331e4599de3746df73ccb24514

Signatures

  • Amadey

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

  • Detects Healer an antivirus disabler dropper 2 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • 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 6 IoCs
  • Windows security modification 2 TTPs 1 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\437213eb4b67386b44ee8203e45489fe45f788fa215cc4f60982184a2231a6b5.exe
    "C:\Users\Admin\AppData\Local\Temp\437213eb4b67386b44ee8203e45489fe45f788fa215cc4f60982184a2231a6b5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0537401.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0537401.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3164
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9637072.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9637072.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3736
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l9144921.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l9144921.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4048
        • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
          "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2144
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN pdates.exe /TR "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:1836
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "pdates.exe" /P "Admin:N"&&CACLS "pdates.exe" /P "Admin:R" /E&&echo Y|CACLS "..\925e7e99c5" /P "Admin:N"&&CACLS "..\925e7e99c5" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3656
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:976
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "pdates.exe" /P "Admin:N"
                6⤵
                  PID:4684
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "pdates.exe" /P "Admin:R" /E
                  6⤵
                    PID:4628
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:3740
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\925e7e99c5" /P "Admin:N"
                      6⤵
                        PID:1204
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\925e7e99c5" /P "Admin:R" /E
                        6⤵
                          PID:3636
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3478772.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3478772.exe
                  2⤵
                  • Executes dropped EXE
                  PID:3544
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3944 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:1596
                • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                  C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4960

                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\n3478772.exe
                  Filesize

                  174KB

                  MD5

                  24ad364f5879fcb5adc0a5a183baac93

                  SHA1

                  ac04c0b5672df5c3cc23a1e499ed35efcc07920b

                  SHA256

                  92526a4c90d8b32265cebfba995663101f8de5212a531aa9c7d502ff0ab56e45

                  SHA512

                  d96afe4df4400532868f6440564189a2e3753ff9879ecc6124a3d10aeb3b3075bff40f3adc597ac3fe8b905f33c1ff8bb4133925ec914520114484061a364bae

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0537401.exe
                  Filesize

                  234KB

                  MD5

                  520e533fea54a31504aca0ffa2f74f6e

                  SHA1

                  3d7b087f04a1691079dc48831d95b399fc9d07f0

                  SHA256

                  6bf0dd719a66f88eae970ee1bdd4a42431e4867acf51f857e8543f6eecff90c3

                  SHA512

                  ff225a9adb6fc168e968d62ffbc9d447c640b4be23b352c28ffad30b3601e06f6fa54fce518be2aa9e7b26874e2a169c7590be559159dcebbc5d26a6ee8da5ae

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9637072.exe
                  Filesize

                  11KB

                  MD5

                  7e93bacbbc33e6652e147e7fe07572a0

                  SHA1

                  421a7167da01c8da4dc4d5234ca3dd84e319e762

                  SHA256

                  850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

                  SHA512

                  250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l9144921.exe
                  Filesize

                  223KB

                  MD5

                  aea234064483f651010cf9d981f59fea

                  SHA1

                  002ad73a666d2d92d0c6d6b617e61c6fa0c5f3a6

                  SHA256

                  58b02c8b4bc2bf7f5f1e8e45d7c206956f188ae56b648922ca75987b999db503

                  SHA512

                  eae415ef55aeb1b4548c2422a72e618fce17c2c1322918d33dc6b9202a01c743a5684ba28e5d83b6cdb2b703bc12569e6bb0e87ef2decb4e8a18592e1380a434

                • memory/3544-36-0x000000000AE90000-0x000000000AF9A000-memory.dmp
                  Filesize

                  1.0MB

                • memory/3544-33-0x0000000000CB0000-0x0000000000CE0000-memory.dmp
                  Filesize

                  192KB

                • memory/3544-34-0x0000000001660000-0x0000000001666000-memory.dmp
                  Filesize

                  24KB

                • memory/3544-35-0x000000000B3A0000-0x000000000B9B8000-memory.dmp
                  Filesize

                  6.1MB

                • memory/3544-37-0x00000000055E0000-0x00000000055F2000-memory.dmp
                  Filesize

                  72KB

                • memory/3544-38-0x000000000AFA0000-0x000000000AFDC000-memory.dmp
                  Filesize

                  240KB

                • memory/3544-39-0x000000000AFE0000-0x000000000B02C000-memory.dmp
                  Filesize

                  304KB

                • memory/3736-15-0x0000000000DA0000-0x0000000000DAA000-memory.dmp
                  Filesize

                  40KB

                • memory/3736-14-0x00007FFE6D0C3000-0x00007FFE6D0C5000-memory.dmp
                  Filesize

                  8KB