Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 09:54

General

  • Target

    8d2837f05ff43bc5c5c3734eb685c39e3ff19b27d50659b45d8404272838cc42.exe

  • Size

    1.2MB

  • MD5

    8c1c0914a0def51e04e998dd838101cd

  • SHA1

    b87baade2891a73a85efed31f915502e52ac9c8a

  • SHA256

    8d2837f05ff43bc5c5c3734eb685c39e3ff19b27d50659b45d8404272838cc42

  • SHA512

    2a5cbd449be690d512471ca0a3d1c3a8e1e6f88e31cb92cc01c007c418f90f4194f5b4d25c1d8781957be8a050617e21ca7eec9212bc5bac2db0c35db1160b55

  • SSDEEP

    24576:nybWEzJzFzI7rAK+1QrZkCcedGcTkWKRLGFA34cMaxHzq96AuR6r6SR6T5Es:ybWEzNFzI/AK+1QaCcedGKkT3vxTqUyf

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 9 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\8d2837f05ff43bc5c5c3734eb685c39e3ff19b27d50659b45d8404272838cc42.exe
    "C:\Users\Admin\AppData\Local\Temp\8d2837f05ff43bc5c5c3734eb685c39e3ff19b27d50659b45d8404272838cc42.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5814265.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5814265.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1016
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0727749.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0727749.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y4415555.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y4415555.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1296
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l6060572.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l6060572.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3060
            • 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:4464
              • 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:1616
              • 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:4552
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  8⤵
                    PID:1692
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:N"
                    8⤵
                      PID:2340
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "saves.exe" /P "Admin:R" /E
                      8⤵
                        PID:2080
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                        8⤵
                          PID:60
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:N"
                          8⤵
                            PID:1544
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "..\b40d11255d" /P "Admin:R" /E
                            8⤵
                              PID:404
                      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m1961210.exe
                        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m1961210.exe
                        5⤵
                        • Executes dropped EXE
                        PID:2184
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3786566.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3786566.exe
                      4⤵
                      • Executes dropped EXE
                      PID:4884
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:408
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:4508

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5814265.exe

                Filesize

                1.1MB

                MD5

                aa4d4ad338e8e551114d9d85f2a031a4

                SHA1

                35f60dde4386e20b755ef41c437b2c1ce1716c1a

                SHA256

                4d1b51d579d3fe54ae45157358809f193325e900b72ed6ebb0f2110d4e03acf3

                SHA512

                ab40ad5ea4aef4be07d03240003baabddb37f4aa2104b92a239c5e65551cfa14d16b9a13e2172364bf13a7c659a6ad63f0df58fdae4385e8875d073f7f2f631e

              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0727749.exe

                Filesize

                475KB

                MD5

                8ac394bb457b45f64caa8510e90284e9

                SHA1

                25a8038634e2d9bbe11bf62fbdf301c1792c94be

                SHA256

                fc8d9d51877cae60f1229e0502e634edabb0c0047e5fa2123bdf3d806be86ff3

                SHA512

                c5be52edf7e76a2436bc531a50f4502adfce3677b44c6f0d82e32891e947528defe289510e288ed1ca96d146cf6d12e94dd801b6505ed6bd7d0de2f0473c95ff

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3786566.exe

                Filesize

                174KB

                MD5

                8d32340fdf8442a241158774abb34e19

                SHA1

                9ebef518b75d702fbaa1e7e9b3633d5cca25ec14

                SHA256

                26439ad1a73d2b60e18639cc5881edd14c95ccad667a48ddd2a62083cf80b4b4

                SHA512

                7ff44388e36b102056df4f218fc642e90f87290f69b4de0adb86214cdf0c0dca1cf9cc9eaefc287f603f12a89fc7cff7e474b11e1af7c8d62d1727e312bdbca5

              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y4415555.exe

                Filesize

                319KB

                MD5

                fcb1f8e59c9bfbd8327b0bd981d3a8a7

                SHA1

                29304a7017ba311eac729688ee076f165b9b34f4

                SHA256

                8d06fe3e0d8770dc1535fc0bb0c6b23bb07b06d713bc9d61e3aae530ec85c1a9

                SHA512

                f897a61270c73797b273936a9526782762d74669cb8de7c7dd59596b99e9c89a9a41e5c6774f3eaaf0e99c6c4e203910d89e7a5ba2e2f92077ccfc99ac801900

              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l6060572.exe

                Filesize

                337KB

                MD5

                408d61c25ae8e8a4f0e393420d122653

                SHA1

                3f30e056d27cc60bac5897e0101ddf77eb6c3e75

                SHA256

                62d857831a501237da194659ff2526d90eec828ea04ba4cc6486422d52aae26d

                SHA512

                c8b1c1310e175cc382e58e41cae53cfeb72417e0a96addcb8c329e567a5bf25005aa6f953bef2a729f7586f4cb15ffb99a19512ce7e7828f225997caf160d72c

              • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m1961210.exe

                Filesize

                142KB

                MD5

                324905fc85eb390c1ef3e707a7a589ba

                SHA1

                6bce9aac9311620dc2a096dcb608e53f9d0a3263

                SHA256

                9a111fa4a6fa5ccd2cb5cd55b0e8ee6423ea3bf62ee657527b0093d62b238a66

                SHA512

                3db649b624fc684a2bb8ee228d0ef2eac8bdf352b31b7c2bfe4030a5e2aa561549e7712e03ea32a5b6017d11d9b15cce0093060a27df937894fb2791485f9f2b

              • memory/4884-44-0x00000000026F0000-0x00000000026F6000-memory.dmp

                Filesize

                24KB

              • memory/4884-43-0x00000000003C0000-0x00000000003F0000-memory.dmp

                Filesize

                192KB

              • memory/4884-45-0x00000000054A0000-0x0000000005AB8000-memory.dmp

                Filesize

                6.1MB

              • memory/4884-47-0x0000000004E80000-0x0000000004E92000-memory.dmp

                Filesize

                72KB

              • memory/4884-46-0x0000000004F90000-0x000000000509A000-memory.dmp

                Filesize

                1.0MB

              • memory/4884-48-0x0000000004EE0000-0x0000000004F1C000-memory.dmp

                Filesize

                240KB

              • memory/4884-49-0x0000000004F30000-0x0000000004F7C000-memory.dmp

                Filesize

                304KB