Analysis

  • max time kernel
    104s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2023 22:34

General

  • Target

    bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe

  • Size

    235KB

  • MD5

    bc45f9797f848df442a883f994adad4a

  • SHA1

    192cc4bc45c4f47147631d04a7fafe418acf7131

  • SHA256

    bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3

  • SHA512

    c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031

  • SSDEEP

    6144:AbxUDsiH4X/Et6xXQ31UrhfSK6uVyWVYN+tGgUO:AbQOXUghSuVyWVG+7

Malware Config

Extracted

Family

amadey

Version

3.65

C2

45.66.230.123/g8kdkeXs2qL/index.php

Signatures

  • Amadey

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

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe
    "C:\Users\Admin\AppData\Local\Temp\bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4272
    • C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe
      "C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:876
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN nbveek.exe /TR "C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:624
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "nbveek.exe" /P "Admin:N"&&CACLS "nbveek.exe" /P "Admin:R" /E&&echo Y|CACLS "..\5ca56b659f" /P "Admin:N"&&CACLS "..\5ca56b659f" /P "Admin:R" /E&&Exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1656
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
          4⤵
            PID:2640
          • C:\Windows\SysWOW64\cacls.exe
            CACLS "nbveek.exe" /P "Admin:N"
            4⤵
              PID:1524
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "nbveek.exe" /P "Admin:R" /E
              4⤵
                PID:1416
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                4⤵
                  PID:2284
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\5ca56b659f" /P "Admin:N"
                  4⤵
                    PID:2232
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\5ca56b659f" /P "Admin:R" /E
                    4⤵
                      PID:3740
                  • C:\Windows\SysWOW64\rundll32.exe
                    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
                    3⤵
                    • Loads dropped DLL
                    • Suspicious use of WriteProcessMemory
                    PID:2804
                    • C:\Windows\system32\rundll32.exe
                      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
                      4⤵
                      • Loads dropped DLL
                      PID:1804
                      • C:\Windows\system32\WerFault.exe
                        C:\Windows\system32\WerFault.exe -u -p 1804 -s 688
                        5⤵
                        • Program crash
                        PID:4236
              • C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe
                C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe
                1⤵
                • Executes dropped EXE
                PID:3188
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -pss -s 408 -p 1804 -ip 1804
                1⤵
                  PID:2720
                • C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe
                  C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4028

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe

                  Filesize

                  235KB

                  MD5

                  bc45f9797f848df442a883f994adad4a

                  SHA1

                  192cc4bc45c4f47147631d04a7fafe418acf7131

                  SHA256

                  bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3

                  SHA512

                  c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031

                • C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe

                  Filesize

                  235KB

                  MD5

                  bc45f9797f848df442a883f994adad4a

                  SHA1

                  192cc4bc45c4f47147631d04a7fafe418acf7131

                  SHA256

                  bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3

                  SHA512

                  c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031

                • C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe

                  Filesize

                  235KB

                  MD5

                  bc45f9797f848df442a883f994adad4a

                  SHA1

                  192cc4bc45c4f47147631d04a7fafe418acf7131

                  SHA256

                  bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3

                  SHA512

                  c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031

                • C:\Users\Admin\AppData\Local\Temp\5ca56b659f\nbveek.exe

                  Filesize

                  235KB

                  MD5

                  bc45f9797f848df442a883f994adad4a

                  SHA1

                  192cc4bc45c4f47147631d04a7fafe418acf7131

                  SHA256

                  bef6710dbe58cb2a400e94e471509b8bb3605ef74ba6c177f9744254ab2278e3

                  SHA512

                  c4d4e2f53eaf779e889e86cc059c3b7a8518bb8c86e58dd0bd25d4b4683bca59ce36afd6e5b1cbf62e93437d08beda2c74aae74abf1af623678b636c83461031

                • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll

                  Filesize

                  1.0MB

                  MD5

                  0017009aa184ebbd2d53a323114b0a34

                  SHA1

                  2049b480d74b0a9fe5f813e4ddb13328f930878d

                  SHA256

                  aafc78dfac130ded368b8a0eb3648d371c2f2332804732e43c8431ddf01033ce

                  SHA512

                  90434d597fd6d0cc65840a2607d4586d1cd855b42041ac80727b819cb3ada58ee29c2fc9e79ce2a566fd940d4b21acc9dcdc8bdc8b1a86f9bd3eaec80681e244

                • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll

                  Filesize

                  1.0MB

                  MD5

                  0017009aa184ebbd2d53a323114b0a34

                  SHA1

                  2049b480d74b0a9fe5f813e4ddb13328f930878d

                  SHA256

                  aafc78dfac130ded368b8a0eb3648d371c2f2332804732e43c8431ddf01033ce

                  SHA512

                  90434d597fd6d0cc65840a2607d4586d1cd855b42041ac80727b819cb3ada58ee29c2fc9e79ce2a566fd940d4b21acc9dcdc8bdc8b1a86f9bd3eaec80681e244

                • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll

                  Filesize

                  1.0MB

                  MD5

                  0017009aa184ebbd2d53a323114b0a34

                  SHA1

                  2049b480d74b0a9fe5f813e4ddb13328f930878d

                  SHA256

                  aafc78dfac130ded368b8a0eb3648d371c2f2332804732e43c8431ddf01033ce

                  SHA512

                  90434d597fd6d0cc65840a2607d4586d1cd855b42041ac80727b819cb3ada58ee29c2fc9e79ce2a566fd940d4b21acc9dcdc8bdc8b1a86f9bd3eaec80681e244

                • memory/624-135-0x0000000000000000-mapping.dmp

                • memory/876-132-0x0000000000000000-mapping.dmp

                • memory/1416-139-0x0000000000000000-mapping.dmp

                • memory/1524-138-0x0000000000000000-mapping.dmp

                • memory/1656-136-0x0000000000000000-mapping.dmp

                • memory/1804-147-0x0000000000000000-mapping.dmp

                • memory/2232-141-0x0000000000000000-mapping.dmp

                • memory/2284-140-0x0000000000000000-mapping.dmp

                • memory/2640-137-0x0000000000000000-mapping.dmp

                • memory/2804-144-0x0000000000000000-mapping.dmp

                • memory/3740-142-0x0000000000000000-mapping.dmp