Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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 18:50

General

  • Target

    4c3f025b17ec1550b7a07d7cea6744acb261f9a5de6fd780bef377978b6b2ca7.exe

  • Size

    1.2MB

  • MD5

    dcd9239b4bb709fc94e727b9ee27967c

  • SHA1

    8ef4e373ab58a741760183d789277198dfde7ba9

  • SHA256

    4c3f025b17ec1550b7a07d7cea6744acb261f9a5de6fd780bef377978b6b2ca7

  • SHA512

    1c9d81725cbf5b0eec0ca4c2cd61b4e9d0da644dc6c8d64877c46f11a732f4d3467f212065eef436c9892872a832b865d7d5489a7eeeda90891330ebce036ae0

  • SSDEEP

    24576:AyUqqXwz+yZ7ocKLgR86dxL5R44FKMeeJ6qQp+iRCLP8rxk8T1fxg+n4GA:HUXwz+yZUcKLgRFdxL5WMeeJo4LEk8TX

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

Extracted

Family

redline

Botnet

mrak

C2

77.91.124.82:19071

Attributes
  • auth_value

    7d9a335ab5dfd42d374867c96fe25302

Signatures

  • Amadey

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

  • Detect Mystic stealer payload 1 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 2 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 4 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 use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c3f025b17ec1550b7a07d7cea6744acb261f9a5de6fd780bef377978b6b2ca7.exe
    "C:\Users\Admin\AppData\Local\Temp\4c3f025b17ec1550b7a07d7cea6744acb261f9a5de6fd780bef377978b6b2ca7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9077140.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9077140.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y3076544.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y3076544.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3804
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y0868718.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y0868718.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4192
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l3349439.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l3349439.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1360
            • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
              "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:752
              • 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
                7⤵
                • Creates scheduled task(s)
                PID:4196
              • 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
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1388
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  8⤵
                    PID:4560
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:N"
                    8⤵
                      PID:1980
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "saves.exe" /P "Admin:R" /E
                      8⤵
                        PID:4252
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                        8⤵
                          PID:4680
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:N"
                          8⤵
                            PID:2172
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "..\b40d11255d" /P "Admin:R" /E
                            8⤵
                              PID:364
                      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m4258000.exe
                        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m4258000.exe
                        5⤵
                        • Executes dropped EXE
                        PID:4728
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n7482544.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n7482544.exe
                      4⤵
                      • Executes dropped EXE
                      PID:4984
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1852
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:1600
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:3828

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9077140.exe

                Filesize

                1.1MB

                MD5

                6c5629162c8404822ccc15b2c58ece70

                SHA1

                508a02ed32266dc74810e0a1e4820bca4ed82dc3

                SHA256

                79d234cd978fb4b1532633309a5079a8c6916791a27bae598c69a49257c72264

                SHA512

                a6fbc71a10fe3e5c056ab86915dbc2b85f823f164226f805144b40af31ad9e837f8a7e846c10ab620f2b422ea030de60dc3a749bac30cdb2b7397f923c658bfa

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y3076544.exe

                Filesize

                475KB

                MD5

                0c2fc1a1074e1b48e74f671d826438c4

                SHA1

                d32d61c3b7b9d39da08e7c8564acd9f38274d730

                SHA256

                93d4e6083e31f1757777b7ccaaa9537677b632e06202c1af36dae9b7d10252a9

                SHA512

                ee782aecca70529fc292377b71aef82c650485682c1c236db3ca79eb9086605424a9dd1c85e102b064e95f4a809bc8e60a7be9547ebb9e6f49fb497de95ee498

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n7482544.exe

                Filesize

                174KB

                MD5

                b841b67fe0267b0f91658e604b2d972c

                SHA1

                733d473c0c96d1b749866f63fe6c5727217d9d97

                SHA256

                fa8cd02ef80c12e3bf9b6d16317181ff7208b4c6584a9894cd270109f3a6455e

                SHA512

                6e8229fbb16e9004226ba9e7eb48b3f95dba7b6415cf17c5e6c2f4896b6e7eaba42bb37573abc271eb0f7724ec287e0ea995e9b9d41da3374cf231fe4e309fb4

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y0868718.exe

                Filesize

                319KB

                MD5

                cbffa97af79a8a71ace90f125bd19853

                SHA1

                8004dc02abe1891faf93fef8cfd508a890958dd1

                SHA256

                ac6327eb3c3155fa64ff851c7c07b6c07c63ac0c430c010452657657d1b6d38d

                SHA512

                778f9fe27a47741e482f9979cc799ac9dbe8724eca7d97f6648590dd43dc347e51053ef1390105bee756e529c3c6a1bb59199e54261cb00dfa079cfd68f6afd9

              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l3349439.exe

                Filesize

                337KB

                MD5

                ec69365719ae7b104380ce1f4625cb73

                SHA1

                fabc244540a28c16c8bee3d13121559f1191fcf2

                SHA256

                1fcc7d20ba3469da25be3c7e9ad9b7f51e2a1a19af1ce00a223ec25b5501daaf

                SHA512

                163aa5d05945e63d80f42b484ba531bcec4b966b04c046c93ba1c87947f955d8aef1ef76c3095ad3a03beed4c0eb5fa98871ccf3a05ca92706d957276b716bcf

              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m4258000.exe

                Filesize

                142KB

                MD5

                89d575bec105c59389672a253e97d0a0

                SHA1

                6cd99bc5c44a9a3783d39ba681809a98e4c03473

                SHA256

                89219073267b666e9bc4c2985b34a1639bce0fab011846bb69dc5e6a078239f3

                SHA512

                78be1fca5f43fae5f36793234244e30226c94c88c78cb6a0b77a64d8110336744f9f73a13921f5bd3ea4184cbc1f00ada6352a0f5027812d4834ac3620d3c4d6

              • memory/4984-43-0x0000000000CD0000-0x0000000000D00000-memory.dmp

                Filesize

                192KB

              • memory/4984-44-0x0000000002E80000-0x0000000002E86000-memory.dmp

                Filesize

                24KB

              • memory/4984-45-0x0000000005C70000-0x0000000006288000-memory.dmp

                Filesize

                6.1MB

              • memory/4984-46-0x0000000005760000-0x000000000586A000-memory.dmp

                Filesize

                1.0MB

              • memory/4984-47-0x0000000005650000-0x0000000005662000-memory.dmp

                Filesize

                72KB

              • memory/4984-48-0x00000000056B0000-0x00000000056EC000-memory.dmp

                Filesize

                240KB

              • memory/4984-49-0x0000000005700000-0x000000000574C000-memory.dmp

                Filesize

                304KB