Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-05-2024 08:13

General

  • Target

    f48c36cb917c3b50876b9e4240a3abaae73007be0713d0630ca8279bfae862ef.exe

  • Size

    359KB

  • MD5

    2787331b97e3aa4d3322ea6e057cdbde

  • SHA1

    63a7e7bc5543dd7d46541dcedc7c75137d347fe0

  • SHA256

    f48c36cb917c3b50876b9e4240a3abaae73007be0713d0630ca8279bfae862ef

  • SHA512

    683f3aec82d00db1e691311a6e770a7ce828bb64cd1672261e9454d50580c7957d76f31b173b74f7fc1a14359b328970470b3002a74b09997f276503b5692bff

  • SSDEEP

    6144:Key+bnr+Ip0yN90QETAAaLHM+RkWt7ZNm8gbAm6NzpjsRsyDDK16sP4/7lw4t:2Mr8y90tAAao+ObAmmZsWyK1b4/7Ge

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

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

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
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 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\f48c36cb917c3b50876b9e4240a3abaae73007be0713d0630ca8279bfae862ef.exe
    "C:\Users\Admin\AppData\Local\Temp\f48c36cb917c3b50876b9e4240a3abaae73007be0713d0630ca8279bfae862ef.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1829188.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1829188.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1288
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1004644.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1004644.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1004
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6163347.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6163347.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3768
        • 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:2884
          • 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:1232
          • 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:3764
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:4596
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "pdates.exe" /P "Admin:N"
                6⤵
                  PID:3748
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "pdates.exe" /P "Admin:R" /E
                  6⤵
                    PID:3368
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:4980
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\925e7e99c5" /P "Admin:N"
                      6⤵
                        PID:984
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\925e7e99c5" /P "Admin:R" /E
                        6⤵
                          PID:904
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c9824766.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c9824766.exe
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: MapViewOfSection
                  PID:4828
              • 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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:2284
                • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                  C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                  1⤵
                  • Executes dropped EXE
                  PID:228

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c9824766.exe

                  Filesize

                  35KB

                  MD5

                  618b3e194dbf7699044820bb95df112b

                  SHA1

                  182475f4d6e9c6adf091fc3cf5f558fedf7b1237

                  SHA256

                  8495ef03db3ad28ffbaeb7b53ed23ef72412c93682195bc956d1359f0c4d4e20

                  SHA512

                  70e426542b6ccafe7ef27dfe9980587a0604810c09e2e6fddf5c0230ef31993c511a8beb65630bbfa42c846c308b943b66a48ef1f9a7fdc9d775cbdb0a694fe7

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1829188.exe

                  Filesize

                  234KB

                  MD5

                  77a2c048f0ede9f316b5b5f5d1ecab1c

                  SHA1

                  b35de3c895d990563532acc7d27c62d503b2fb52

                  SHA256

                  648134ff7c65b51c9537808d1cffa2a5f5c7a6606800d35bfe798902e6e1a33a

                  SHA512

                  1fc3be6cca3caa27b3a49430bab8a6dc75172f508d147856b4cbd74f9e390dc11a8632a7aef9151ee45a645c0f775370683a211c83610c6160ac48530503f829

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1004644.exe

                  Filesize

                  11KB

                  MD5

                  817b8fd52c65af45a2a8c422d055d532

                  SHA1

                  e8204336f5c8ecd2e3c0ff32b6f4a52cdef8d70c

                  SHA256

                  655fe5a470d9092f10056b63276ed320c54d9a1fbd723c38e58887c706260b25

                  SHA512

                  fb0fc0f269614041f855352a55cf9856b8d254ccd31d5a4176872c6ea359e8786c35186ec9a111d8c6da806dc9dcc72f0f9171ffc101474b1eca7cec52ed0a14

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b6163347.exe

                  Filesize

                  223KB

                  MD5

                  5bea7201a336572aabeb4b2efb9dd294

                  SHA1

                  d0c9ccef4d641e2e2a91ea6c71d8cf0cd90729bc

                  SHA256

                  8040d5da177e25df02ee69569061a43498ae264dbd04da6fd0f1f3d52a018445

                  SHA512

                  7584a489bc7f9463d849a6405b90d74946b06619333efd2f9a973ed017c8c4a380a06480e85be34c4c688076e6325ccb361fb776a09c4580c6cb6f2aecab2c87

                • memory/1004-14-0x00007FF986E33000-0x00007FF986E35000-memory.dmp

                  Filesize

                  8KB

                • memory/1004-15-0x00000000005B0000-0x00000000005BA000-memory.dmp

                  Filesize

                  40KB

                • memory/3348-34-0x0000000008420000-0x0000000008436000-memory.dmp

                  Filesize

                  88KB

                • memory/4828-32-0x0000000000400000-0x0000000000409000-memory.dmp

                  Filesize

                  36KB

                • memory/4828-37-0x0000000000400000-0x0000000000409000-memory.dmp

                  Filesize

                  36KB