Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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 14:49

General

  • Target

    4ef1a0149daef80693bc6f0b8f8337399c8687c08ca4792d24e3bdaab9bf6f77.exe

  • Size

    390KB

  • MD5

    859f7291df89d775b2c13b9eba46f15e

  • SHA1

    cd432f7142d19ca13261a674f4456669fff79c8d

  • SHA256

    4ef1a0149daef80693bc6f0b8f8337399c8687c08ca4792d24e3bdaab9bf6f77

  • SHA512

    6ffb75ac3d4d5a3cfed9131d46abd4dc0305df6125c5c4e6e926541ee360dfb2e0ed497655873f483089a4154ef5563a691aecb0a5bde83e456e983976411729

  • SSDEEP

    6144:KOy+bnr+op0yN90QEJVyucfzJ8b9U+BuekimU0dYTCcHnlRHBd11szcoN:6Mrsy90RcF8b20qUscHnl9T11snN

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 7 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\4ef1a0149daef80693bc6f0b8f8337399c8687c08ca4792d24e3bdaab9bf6f77.exe
    "C:\Users\Admin\AppData\Local\Temp\4ef1a0149daef80693bc6f0b8f8337399c8687c08ca4792d24e3bdaab9bf6f77.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5561416.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5561416.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0060239.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0060239.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:232
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3817400.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3817400.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2132
        • 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:2088
          • 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:2488
          • 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:4240
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:1956
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "danke.exe" /P "Admin:N"
                6⤵
                  PID:1088
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "danke.exe" /P "Admin:R" /E
                  6⤵
                    PID:2924
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:1272
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\3ec1f323b5" /P "Admin:N"
                      6⤵
                        PID:3288
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\3ec1f323b5" /P "Admin:R" /E
                        6⤵
                          PID:1612
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n9925328.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n9925328.exe
                  2⤵
                  • Executes dropped EXE
                  PID:1388
              • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                1⤵
                • Executes dropped EXE
                PID:4012
              • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                1⤵
                • Executes dropped EXE
                PID:1428

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n9925328.exe

                Filesize

                173KB

                MD5

                d7cda797b9c584fcf98555ef3bc3adaf

                SHA1

                d3352ccb80d85a1005246541d8137a8274e19b00

                SHA256

                f96f415c79ab66c72bb7f20fd2108e7978b411ba8dcc0b4732995de62ce589f5

                SHA512

                7c09f54e3887d2b39a068dd173a28a429f5f14c852fa9365ebdb9f6b5acfae9400adc8820558377f7bcd0cd16de0a7abfb56fcb90eac69bb0635e96f668a36c3

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5561416.exe

                Filesize

                235KB

                MD5

                06eb179deca33c91e7d24ead602161c8

                SHA1

                4d1820ad56b4d9786f089dc6e1548efe3b5fc37a

                SHA256

                86db0959564d815df771fb195d70a271421ce57da65bc2985b655f9f9a1ff886

                SHA512

                989e0fa36525813dfc281ff7416d906d18e50b2d36461eb91ceb42ed8a035791f0d2171d55915528cc8df6cf59cba371d5741762d241099ff4623ff9cfea6d3b

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0060239.exe

                Filesize

                11KB

                MD5

                7e93bacbbc33e6652e147e7fe07572a0

                SHA1

                421a7167da01c8da4dc4d5234ca3dd84e319e762

                SHA256

                850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

                SHA512

                250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3817400.exe

                Filesize

                224KB

                MD5

                8c6b79ec436d7cf6950a804c1ec7d3e9

                SHA1

                4a589d5605d8ef785fdc78b0bf64e769e3a21ad6

                SHA256

                4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d

                SHA512

                06f2de433876963bb7bbddbe93cab0b7dd22164d1c10726294445944dcf5fa4a0fb450fc683c32565177a81a6103f6a5f11d291958bc7fcff7fdb9cf41a001ce

              • memory/232-14-0x0000000000DD0000-0x0000000000DDA000-memory.dmp

                Filesize

                40KB

              • memory/232-15-0x00007FF8B0FB3000-0x00007FF8B0FB5000-memory.dmp

                Filesize

                8KB

              • memory/1388-33-0x0000000000550000-0x0000000000580000-memory.dmp

                Filesize

                192KB

              • memory/1388-34-0x0000000004F70000-0x0000000004F76000-memory.dmp

                Filesize

                24KB

              • memory/1388-35-0x00000000055C0000-0x0000000005BD8000-memory.dmp

                Filesize

                6.1MB

              • memory/1388-36-0x00000000050E0000-0x00000000051EA000-memory.dmp

                Filesize

                1.0MB

              • memory/1388-37-0x0000000005020000-0x0000000005032000-memory.dmp

                Filesize

                72KB

              • memory/1388-38-0x0000000005080000-0x00000000050BC000-memory.dmp

                Filesize

                240KB

              • memory/1388-39-0x00000000051F0000-0x000000000523C000-memory.dmp

                Filesize

                304KB