Analysis

  • max time kernel
    149s
  • max time network
    126s
  • 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 18:47

General

  • Target

    ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69.exe

  • Size

    277KB

  • MD5

    7914d68695cc6f54cb467bbd1ea1b980

  • SHA1

    a44f0dcc322e4cddf86f087ca9b97b7c44fd6091

  • SHA256

    ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69

  • SHA512

    644f90613eb98fe37d95d215271f468ffce81bf939000b9acf5479ae8a8d2668202da25ebab5df1095349bfa3ab650cbfdd2a723f9e3b5bbd3bb7be8471eb07e

  • SSDEEP

    6144:K6y+bnr+Wp0yN90QENekbA4OPoMeP90Rk7WD6:GMriy90vekbLOQMeP+k7WG

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

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
  • 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 1 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69.exe
    "C:\Users\Admin\AppData\Local\Temp\ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g1576079.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g1576079.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4596
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h7224939.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h7224939.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:924
      • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
        "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1484
        • 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
          4⤵
          • Creates scheduled task(s)
          PID:4036
        • 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
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3188
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            5⤵
              PID:2608
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "saves.exe" /P "Admin:N"
              5⤵
                PID:5032
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "saves.exe" /P "Admin:R" /E
                5⤵
                  PID:3544
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  5⤵
                    PID:4836
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\b40d11255d" /P "Admin:N"
                    5⤵
                      PID:4176
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\b40d11255d" /P "Admin:R" /E
                      5⤵
                        PID:4312
              • 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 --field-trial-handle=4276,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
                1⤵
                  PID:2172
                • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2284
                • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4312
                • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4116

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g1576079.exe

                  Filesize

                  11KB

                  MD5

                  a9a9b032259d39964aefe070a190c7dd

                  SHA1

                  f33fe4fa32548e45a442266288de7426f35d109b

                  SHA256

                  05774bd7f40ef00f3143fd3b036894cfb4c549db08436bdbd466082882249458

                  SHA512

                  20cae14b1eff0c15f78189bdd0d71410edfc707a706e8da68e9476a4a62e0810eae50b74532ba4e1f31bc35e9ad6f58095c1f06680bcc075c364369f88d0b27a

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h7224939.exe

                  Filesize

                  339KB

                  MD5

                  edb6b6b0d56ded5c2b165f2c36683593

                  SHA1

                  6aef97f54fb55b37823c95963fae1d462428f99d

                  SHA256

                  f2acd2202eb8c190af62b0771f4a10a869ae8842b2579ec5d76d6e54238f4d74

                  SHA512

                  9fab876b63e8a846b632b8f3d5513990cff2cdf5108eedc0885564d93fe7836df335d909254b64f185f999c82a1506550ef19503dfce5d5d7cb727d54a56db09

                • memory/4596-7-0x0000000000650000-0x000000000065A000-memory.dmp

                  Filesize

                  40KB

                • memory/4596-8-0x00007FF991E33000-0x00007FF991E35000-memory.dmp

                  Filesize

                  8KB