Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 14:27

General

  • Target

    bd06bfc2696394e32e12dc7d9c3585842b78bfbdc24f4157679058145abb22a3.exe

  • Size

    390KB

  • MD5

    3a4cea3fc66e9b3d9560878ba1663cd9

  • SHA1

    591d5bef008232bbf43c90708e23f8d8e4eb2f22

  • SHA256

    bd06bfc2696394e32e12dc7d9c3585842b78bfbdc24f4157679058145abb22a3

  • SHA512

    701af6e157e20e8dbab2b81225a4895a3bbf2e5f6c2450e6d0b39b2d54203905f0d565ee59563746ea10fd3ef14dbd9348dc559f3bac600d295fbef27a83e2c0

  • SSDEEP

    12288:HMrCy90LK3WNWBSPa46LcHnl9nZF4rQKL:hywyYzHNF4TL

Malware Config

Extracted

Family

amadey

Version

3.85

C2

http://77.91.68.3

Attributes
  • install_dir

    3ec1f323b5

  • install_file

    danke.exe

  • strings_key

    827021be90f1e85ab27949ea7e9347e8

  • url_paths

    /home/love/index.php

rc4.plain

Extracted

Family

redline

Botnet

nasa

C2

77.91.68.68:19071

Attributes
  • auth_value

    6da71218d8a9738ea3a9a78b5677589b

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 8 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 WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd06bfc2696394e32e12dc7d9c3585842b78bfbdc24f4157679058145abb22a3.exe
    "C:\Users\Admin\AppData\Local\Temp\bd06bfc2696394e32e12dc7d9c3585842b78bfbdc24f4157679058145abb22a3.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6637579.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6637579.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9005778.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9005778.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4392
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0231860.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0231860.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3972
        • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
          "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3176
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN danke.exe /TR "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:4152
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "danke.exe" /P "Admin:N"&&CACLS "danke.exe" /P "Admin:R" /E&&echo Y|CACLS "..\3ec1f323b5" /P "Admin:N"&&CACLS "..\3ec1f323b5" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2076
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:4704
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "danke.exe" /P "Admin:N"
                6⤵
                  PID:3112
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "danke.exe" /P "Admin:R" /E
                  6⤵
                    PID:4268
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:4996
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\3ec1f323b5" /P "Admin:N"
                      6⤵
                        PID:4472
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\3ec1f323b5" /P "Admin:R" /E
                        6⤵
                          PID:3380
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3462548.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3462548.exe
                  2⤵
                  • Executes dropped EXE
                  PID:4676
              • 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=4444,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4612 /prefetch:8
                1⤵
                  PID:1720
                • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3648
                • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  1⤵
                  • Executes dropped EXE
                  PID:1220
                • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3676

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3462548.exe

                  Filesize

                  172KB

                  MD5

                  ea394b5aa07b5b2b24be4e0195fafbce

                  SHA1

                  2d5cd94ec5277b0be1edee8a98c4e0b9859c6e2f

                  SHA256

                  33024d71a4ba3d3b6452789fee01532089a129a3135f166487d313886ccdcdb5

                  SHA512

                  5fcedb4e0079394f05a11ac84c437528d4dd16431baeefda473941029ae5707f4455cc8c1e137ebb54db98dd7c712c72c96aa2febab5692ea6671399af7dc117

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6637579.exe

                  Filesize

                  235KB

                  MD5

                  30c37f591e0e8a3ed8b8ad1e68348f74

                  SHA1

                  5d9721d0957a7226f1c623f6ebcea94f85b0e3f2

                  SHA256

                  b47b4dc33ed5936c521918534d9d74d60400b457306a28777a07953ec4de9915

                  SHA512

                  59d8a567dec16ef16816c83ea9a4047e51252ac07ab297374681a6960f308277c9abfa994b8aa25d88fa14d14af176628cce65a87d3db28d6b507c7bbae90219

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9005778.exe

                  Filesize

                  11KB

                  MD5

                  7e93bacbbc33e6652e147e7fe07572a0

                  SHA1

                  421a7167da01c8da4dc4d5234ca3dd84e319e762

                  SHA256

                  850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

                  SHA512

                  250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0231860.exe

                  Filesize

                  224KB

                  MD5

                  8c6b79ec436d7cf6950a804c1ec7d3e9

                  SHA1

                  4a589d5605d8ef785fdc78b0bf64e769e3a21ad6

                  SHA256

                  4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d

                  SHA512

                  06f2de433876963bb7bbddbe93cab0b7dd22164d1c10726294445944dcf5fa4a0fb450fc683c32565177a81a6103f6a5f11d291958bc7fcff7fdb9cf41a001ce

                • memory/4392-14-0x0000000000A60000-0x0000000000A6A000-memory.dmp

                  Filesize

                  40KB

                • memory/4392-15-0x00007FFDA23A3000-0x00007FFDA23A5000-memory.dmp

                  Filesize

                  8KB

                • memory/4676-33-0x0000000000F90000-0x0000000000FC0000-memory.dmp

                  Filesize

                  192KB

                • memory/4676-34-0x00000000058F0000-0x00000000058F6000-memory.dmp

                  Filesize

                  24KB

                • memory/4676-35-0x0000000006110000-0x0000000006728000-memory.dmp

                  Filesize

                  6.1MB

                • memory/4676-36-0x0000000005C00000-0x0000000005D0A000-memory.dmp

                  Filesize

                  1.0MB

                • memory/4676-37-0x0000000005950000-0x0000000005962000-memory.dmp

                  Filesize

                  72KB

                • memory/4676-38-0x0000000005AF0000-0x0000000005B2C000-memory.dmp

                  Filesize

                  240KB

                • memory/4676-39-0x0000000005B30000-0x0000000005B7C000-memory.dmp

                  Filesize

                  304KB