Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/07/2023, 10:19

General

  • Target
    93342d5ad54a23ce2df4d6fa19156e77bd8f922d82b82.exe
  • Size 3.9MB
  • Sample230706-mchewsaa23
  • SHA256 93342d5ad54a23ce2df4d6fa19156e77bd8f922d82b8236b03df6d9d8e1e68cc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • furod

C2
  • 77.91.68.70:19073

Attributes
  • auth_value

    d2386245fe11799b28b4521492a5879d

Extracted

Family
  • amadey

Version
  • 3.84

C2
  • 77.91.68.63/doma/net/index.php

Signatures

  • Amadey

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

  • Detects Healer an antivirus disabler dropper 1 IoCs
  • 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.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93342d5ad54a23ce2df4d6fa19156e77bd8f922d82b82.exe
    "C:\Users\Admin\AppData\Local\Temp\93342d5ad54a23ce2df4d6fa19156e77bd8f922d82b82.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4788456.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4788456.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4868
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3697920.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3697920.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2632
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8191402.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8191402.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4120
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3640416.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3640416.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
        "C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2724
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rugen.exe /TR "C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe" /F
          4⤵
          • Creates scheduled task(s)
          PID:4492
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "rugen.exe" /P "Admin:N"&&CACLS "rugen.exe" /P "Admin:R" /E&&echo Y|CACLS "..\200f691d32" /P "Admin:N"&&CACLS "..\200f691d32" /P "Admin:R" /E&&Exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4628
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            5⤵
              PID:3416
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "rugen.exe" /P "Admin:N"
              5⤵
                PID:1508
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "rugen.exe" /P "Admin:R" /E
                5⤵
                  PID:2684
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  5⤵
                    PID:3360
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\200f691d32" /P "Admin:N"
                    5⤵
                      PID:3420
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\200f691d32" /P "Admin:R" /E
                      5⤵
                        PID:860
                    • C:\Windows\SysWOW64\rundll32.exe
                      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
                      4⤵
                      • Loads dropped DLL
                      PID:4108
              • C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                1⤵
                • Executes dropped EXE
                PID:3172
              • C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                1⤵
                • Executes dropped EXE
                PID:856

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    System.dll.log

                    • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log
                    • Size 226B
                    • SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
                    • MD5 SHA1 SHA512

                    rugen.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                    • Size 205KB
                    • SHA256 00f972eb3d4d2fac05c10c0e6e212cf096b4142b5b5075b29c6c100d51432cd4
                    • MD5 SHA1 SHA512 SSDEEP

                    rugen.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                    • Size 205KB
                    • SHA256 00f972eb3d4d2fac05c10c0e6e212cf096b4142b5b5075b29c6c100d51432cd4
                    • MD5 SHA1 SHA512 SSDEEP

                    rugen.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                    • Size 205KB
                    • SHA256 00f972eb3d4d2fac05c10c0e6e212cf096b4142b5b5075b29c6c100d51432cd4
                    • MD5 SHA1 SHA512 SSDEEP

                    rugen.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                    • Size 205KB
                    • SHA256 00f972eb3d4d2fac05c10c0e6e212cf096b4142b5b5075b29c6c100d51432cd4
                    • MD5 SHA1 SHA512 SSDEEP

                    rugen.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\200f691d32\rugen.exe
                    • Size 205KB
                    • SHA256 00f972eb3d4d2fac05c10c0e6e212cf096b4142b5b5075b29c6c100d51432cd4
                    • MD5 SHA1 SHA512 SSDEEP

                    n3640416.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3640416.exe
                    • Size 205KB
                    • SHA256 00f972eb3d4d2fac05c10c0e6e212cf096b4142b5b5075b29c6c100d51432cd4
                    • MD5 SHA1 SHA512 SSDEEP

                    n3640416.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\n3640416.exe
                    • Size 205KB
                    • SHA256 00f972eb3d4d2fac05c10c0e6e212cf096b4142b5b5075b29c6c100d51432cd4
                    • MD5 SHA1 SHA512 SSDEEP

                    y4788456.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4788456.exe
                    • Size 404KB
                    • SHA256 36f3e11acb98a1687ebbaa90adb94831945f2eb1aeee19ffd3f7e959102733c8
                    • MD5 SHA1 SHA512 SSDEEP

                    y4788456.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4788456.exe
                    • Size 404KB
                    • SHA256 36f3e11acb98a1687ebbaa90adb94831945f2eb1aeee19ffd3f7e959102733c8
                    • MD5 SHA1 SHA512 SSDEEP

                    k3697920.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3697920.exe
                    • Size 185KB
                    • SHA256 013bfa8fa2ddaddb2d08a8092805bead656b04580cc67f98c691ad8505092bd4
                    • MD5 SHA1 SHA512 SSDEEP

                    k3697920.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3697920.exe
                    • Size 185KB
                    • SHA256 013bfa8fa2ddaddb2d08a8092805bead656b04580cc67f98c691ad8505092bd4
                    • MD5 SHA1 SHA512 SSDEEP

                    l8191402.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8191402.exe
                    • Size 1.3MB
                    • SHA256 160771bc33ff181283e6b0b9634fc6b1603092276819da589b9ab8deba526153
                    • MD5 SHA1 SHA512 SSDEEP

                    l8191402.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8191402.exe
                    • Size 1.3MB
                    • SHA256 160771bc33ff181283e6b0b9634fc6b1603092276819da589b9ab8deba526153
                    • MD5 SHA1 SHA512 SSDEEP

                    clip64.dll

                    • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                    • Size 89KB
                    • SHA256 08dabdd0b0fb13d5d748daf1173f392aa27eb9943eef78bd29e6a8fa61007a6e
                    • MD5 SHA1 SHA512 SSDEEP

                    clip64.dll

                    • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                    • Size 89KB
                    • SHA256 08dabdd0b0fb13d5d748daf1173f392aa27eb9943eef78bd29e6a8fa61007a6e
                    • MD5 SHA1 SHA512 SSDEEP

                    clip64.dll

                    • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                    • Size 89KB
                    • SHA256 08dabdd0b0fb13d5d748daf1173f392aa27eb9943eef78bd29e6a8fa61007a6e
                    • MD5 SHA1 SHA512 SSDEEP

                    cred64.dll

                    • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll
                    • Size 273B
                    • SHA256 587c2fb0cf025a255a077b24fe6433fd67bdfac451d74d321d86db96c369841e
                    • MD5 SHA1 SHA512

                    memory/2632-153-0x0000000000430000-0x000000000043A000-memory.dmp

                    memory/4120-162-0x0000000000620000-0x0000000000650000-memory.dmp

                    memory/4120-173-0x000000000A990000-0x000000000AA22000-memory.dmp

                    memory/4120-178-0x000000000B960000-0x000000000BE8C000-memory.dmp

                    memory/4120-179-0x0000000004AF0000-0x0000000004B00000-memory.dmp

                    memory/4120-176-0x000000000B5F0000-0x000000000B640000-memory.dmp

                    memory/4120-175-0x000000000B030000-0x000000000B096000-memory.dmp

                    memory/4120-174-0x000000000AA30000-0x000000000AFD4000-memory.dmp

                    memory/4120-177-0x000000000B770000-0x000000000B932000-memory.dmp

                    memory/4120-172-0x000000000A910000-0x000000000A986000-memory.dmp

                    memory/4120-167-0x0000000009F80000-0x000000000A598000-memory.dmp

                    memory/4120-171-0x0000000004AF0000-0x0000000004B00000-memory.dmp

                    memory/4120-170-0x000000000A730000-0x000000000A76C000-memory.dmp

                    memory/4120-169-0x000000000A710000-0x000000000A722000-memory.dmp

                    memory/4120-168-0x000000000A5D0000-0x000000000A6DA000-memory.dmp

                    memory/4180-194-0x0000000000840000-0x00000000008D0000-memory.dmp

                    memory/4180-133-0x0000000000840000-0x00000000008D0000-memory.dmp