Analysis

  • max time kernel
    149s
  • max time network
    145s
  • 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

    fc2a3968133c3c96ae55dfdd56ca5b4dd51ed30658a98d55193b96e1533f4013.exe

  • Size

    814KB

  • MD5

    4527bf2f344a13d6185f1a6da0302c2e

  • SHA1

    bd22d40e1536515deab632cec917ae895dd3587e

  • SHA256

    fc2a3968133c3c96ae55dfdd56ca5b4dd51ed30658a98d55193b96e1533f4013

  • SHA512

    1373be04134192b800c106ba9214941e12cfd6366b97023a07724ab7a86468996509604a20e6284cb5d549d4a4bd5a193e511487a054ee059c226f849f548c1b

  • SSDEEP

    12288:kMrAy90Wv+ehdmYET2qlvV1x0nt6o58Q82qcaLRjWwL0Gj4iycQLrZNNqXGl6u:EyLvPhXYzJjTo982v5a0duQLXlp

Malware Config

Extracted

Family

redline

Botnet

gruha

C2

77.91.124.55:19071

Attributes
  • auth_value

    2f4cf2e668a540e64775b27535cc6892

Extracted

Family

amadey

Version

3.89

Botnet

fb0fb8

C2

http://77.91.68.52

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explonde.exe

  • strings_key

    916aae73606d7a9e02a1d3b47c199688

  • url_paths

    /mac/index.php

rc4.plain

Signatures

  • Amadey

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

  • Detect Mystic stealer payload 3 IoCs
  • Detects Healer an antivirus disabler dropper 1 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 10 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 3 IoCs
  • 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc2a3968133c3c96ae55dfdd56ca5b4dd51ed30658a98d55193b96e1533f4013.exe
    "C:\Users\Admin\AppData\Local\Temp\fc2a3968133c3c96ae55dfdd56ca5b4dd51ed30658a98d55193b96e1533f4013.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z1104153.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z1104153.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z5110447.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z5110447.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\q0333871.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\q0333871.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2120
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1284
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 564
            5⤵
            • Program crash
            PID:4788
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\r1269069.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\r1269069.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4804
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
              PID:3172
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 564
              5⤵
              • Program crash
              PID:3288
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\s7095323.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\s7095323.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3592
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:5044
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 592
              4⤵
              • Program crash
              PID:4568
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t7635827.exe
          C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t7635827.exe
          2⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4740
          • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
            "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe"
            3⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4276
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN explonde.exe /TR "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe" /F
              4⤵
              • Creates scheduled task(s)
              PID:1976
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "explonde.exe" /P "Admin:N"&&CACLS "explonde.exe" /P "Admin:R" /E&&echo Y|CACLS "..\fefffe8cea" /P "Admin:N"&&CACLS "..\fefffe8cea" /P "Admin:R" /E&&Exit
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:60
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                5⤵
                  PID:4988
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "explonde.exe" /P "Admin:N"
                  5⤵
                    PID:4612
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "explonde.exe" /P "Admin:R" /E
                    5⤵
                      PID:2420
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                      5⤵
                        PID:412
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\fefffe8cea" /P "Admin:N"
                        5⤵
                          PID:4860
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\fefffe8cea" /P "Admin:R" /E
                          5⤵
                            PID:3688
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2120 -ip 2120
                    1⤵
                      PID:4644
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4804 -ip 4804
                      1⤵
                        PID:1060
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3592 -ip 3592
                        1⤵
                          PID:3164
                        • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                          C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                          1⤵
                          • Executes dropped EXE
                          PID:3304
                        • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                          C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                          1⤵
                          • Executes dropped EXE
                          PID:4420
                        • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                          C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                          1⤵
                          • Executes dropped EXE
                          PID:4452

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t7635827.exe

                          Filesize

                          219KB

                          MD5

                          c256a814d3f9d02d73029580dfe882b3

                          SHA1

                          e11e9ea937183139753f3b0d5e71c8301d000896

                          SHA256

                          53f129d7c6b008406a6214c261e45c06dfc1cd7dc36639018e37b07416bf5f7c

                          SHA512

                          1f263232f9bcf8f936239cd0866594c5d14c4b6cca8337c1a20dabfedf588fbc5839deba7f5fc8243f1a6fa64f87a2133afde6ce7b6eb4293b4807f66e05df3a

                        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z1104153.exe

                          Filesize

                          631KB

                          MD5

                          970619f6f7f6e244dfac1e7a7e369871

                          SHA1

                          04c4abe7aeda51c77a29c8fada2dc74d8935f8f8

                          SHA256

                          dc9af48b00c6cbca5baf3939aaa0cdf67859b65c29d1168b2641f81f43b7d8b0

                          SHA512

                          ab481d7bbcc57687122c5c36a67a5177bbe990d3a759f6932b07d0c21ace256209f41717211b1a038d742808fe1a5ed1b41889ab92ff64038b69d64eaf9a6fb5

                        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\s7095323.exe

                          Filesize

                          413KB

                          MD5

                          572a0c3f784a4d8575e01329318bd816

                          SHA1

                          8e8d0c9373f72a09bae0ef1e5ad9d96a325e1d99

                          SHA256

                          7389ce6b01667ece65e0a3ce7d964467f72437c67de307e6a8d8abb6b6ae1cf6

                          SHA512

                          8b5c3d07fb08e65d18901ba7513b9492dd7584958ce6be3b41e096d242d4dbf09336a83bc7fb3fc108788bd6c912da1aa7e3be5fbf94e9393cba996814045659

                        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z5110447.exe

                          Filesize

                          354KB

                          MD5

                          64799c1e31cbe561941e4e20f8877b65

                          SHA1

                          a9fa7625ecdb81f8442cfba927e0bff4662169ab

                          SHA256

                          f8c8fad9621f805807f4438b8a7ed2545d0730c56e4038a3298621e8a123c102

                          SHA512

                          9f1a863294480ce2336d6c22d033265eeae4e2efb8fe3d9a1a108f766adc0da12e449c3c9ae8b667d6ee0005ca0d24ade01d1e2129349ee1c7d48de54c0b44c6

                        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\q0333871.exe

                          Filesize

                          250KB

                          MD5

                          5115c0887d8b76b2d0ae3c90a0cb6684

                          SHA1

                          f56a82116338a244f0ca421f9dceef39287cca27

                          SHA256

                          4c15f5fb26045cd6d658b91e7e91f3646f5af528cffe081db283c3858411ff38

                          SHA512

                          e1a52cb0aa355425c0374530ae47824329b6f4cf5c321be8e09d6757f953f96f3e8be2e6be0fa51ed18f1468c7ee24b74a10b66d4188df988dbce86f214628f0

                        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\r1269069.exe

                          Filesize

                          379KB

                          MD5

                          12b9b4622125bd43d3ea374831342568

                          SHA1

                          13545d2906704e2908a77264b91317e78a54ebff

                          SHA256

                          e6495d795982b473940ec7c4fdeb69ca55e4f739ae1ab585bd4db52c7b3b1b76

                          SHA512

                          befa1cf56aeeaf184852c4d123d00905d21ef7ee10a9ad1828165b0f9ba67b08b040c979b6921b741200d33eeaae9010f33f2d67a4df1f3c8be42b7a14564029

                        • memory/1284-21-0x0000000000400000-0x000000000040A000-memory.dmp

                          Filesize

                          40KB

                        • memory/3172-26-0x0000000000400000-0x0000000000428000-memory.dmp

                          Filesize

                          160KB

                        • memory/3172-28-0x0000000000400000-0x0000000000428000-memory.dmp

                          Filesize

                          160KB

                        • memory/3172-25-0x0000000000400000-0x0000000000428000-memory.dmp

                          Filesize

                          160KB

                        • memory/5044-32-0x0000000000400000-0x0000000000430000-memory.dmp

                          Filesize

                          192KB

                        • memory/5044-33-0x0000000002E20000-0x0000000002E26000-memory.dmp

                          Filesize

                          24KB

                        • memory/5044-39-0x000000000B170000-0x000000000B788000-memory.dmp

                          Filesize

                          6.1MB

                        • memory/5044-44-0x000000000AC60000-0x000000000AD6A000-memory.dmp

                          Filesize

                          1.0MB

                        • memory/5044-46-0x000000000AB70000-0x000000000AB82000-memory.dmp

                          Filesize

                          72KB

                        • memory/5044-49-0x000000000ABD0000-0x000000000AC0C000-memory.dmp

                          Filesize

                          240KB

                        • memory/5044-50-0x0000000002E80000-0x0000000002ECC000-memory.dmp

                          Filesize

                          304KB