Analysis

  • max time kernel
    111s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    15/12/2022, 22:30

General

  • Target
    file.exe
  • Size 367KB
  • Sample221215-2etchadf78
  • SHA256 b1fe15394d3a406b37ce60bacb43aa513b13dcf07f726cf801d1ddf7b0022b30
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.60

C2
  • 62.204.41.79/fb73jc3/index.php

  • 62.204.41.13/gjend7w/index.php

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 11 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 14 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:568
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "gntuud.exe" /P "Admin:N"&&CACLS "gntuud.exe" /P "Admin:R" /E&&echo Y|CACLS "..\2c33368f7d" /P "Admin:N"&&CACLS "..\2c33368f7d" /P "Admin:R" /E&&Exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:756
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
          4⤵
            PID:1700
          • C:\Windows\SysWOW64\cacls.exe
            CACLS "gntuud.exe" /P "Admin:N"
            4⤵
              PID:1760
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "gntuud.exe" /P "Admin:R" /E
              4⤵
                PID:1840
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                4⤵
                  PID:1100
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\2c33368f7d" /P "Admin:N"
                  4⤵
                    PID:1484
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\2c33368f7d" /P "Admin:R" /E
                    4⤵
                      PID:1880
                  • C:\Users\Admin\Desktop\1000020053\Lega.exe
                    "C:\Users\Admin\Desktop\1000020053\Lega.exe"
                    3⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Suspicious use of WriteProcessMemory
                    PID:824
                    • C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                      "C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe"
                      4⤵
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:1712
                      • C:\Windows\SysWOW64\schtasks.exe
                        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe" /F
                        5⤵
                        • Creates scheduled task(s)
                        PID:1624
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "gntuud.exe" /P "Admin:N"&&CACLS "gntuud.exe" /P "Admin:R" /E&&echo Y|CACLS "..\6d87dfb3e7" /P "Admin:N"&&CACLS "..\6d87dfb3e7" /P "Admin:R" /E&&Exit
                        5⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1588
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                          6⤵
                            PID:1124
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "gntuud.exe" /P "Admin:N"
                            6⤵
                              PID:2036
                            • C:\Windows\SysWOW64\cacls.exe
                              CACLS "gntuud.exe" /P "Admin:R" /E
                              6⤵
                                PID:2028
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                                6⤵
                                  PID:268
                                • C:\Windows\SysWOW64\cacls.exe
                                  CACLS "..\6d87dfb3e7" /P "Admin:N"
                                  6⤵
                                    PID:468
                                  • C:\Windows\SysWOW64\cacls.exe
                                    CACLS "..\6d87dfb3e7" /P "Admin:R" /E
                                    6⤵
                                      PID:960
                                  • C:\Windows\SysWOW64\rundll32.exe
                                    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
                                    5⤵
                                    • Blocklisted process makes network request
                                    • Loads dropped DLL
                                    • Accesses Microsoft Outlook profiles
                                    • Suspicious behavior: EnumeratesProcesses
                                    • outlook_win_path
                                    PID:960
                              • C:\Users\Admin\Desktop\1000021053\linda5.exe
                                "C:\Users\Admin\Desktop\1000021053\linda5.exe"
                                3⤵
                                • Executes dropped EXE
                                PID:756
                                • C:\Windows\SysWOW64\regsvr32.exe
                                  "C:\Windows\System32\regsvr32.exe" /s .\YLM4E.eIQ
                                  4⤵
                                  • Loads dropped DLL
                                  PID:1816
                              • C:\Windows\SysWOW64\rundll32.exe
                                "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
                                3⤵
                                • Blocklisted process makes network request
                                • Loads dropped DLL
                                • Accesses Microsoft Outlook profiles
                                • Suspicious behavior: EnumeratesProcesses
                                PID:1596
                          • C:\Windows\system32\taskeng.exe
                            taskeng.exe {C954DA9A-E612-4343-AD60-FBC67156FC8C} S-1-5-21-1214520366-621468234-4062160515-1000:VDWSWJJD\Admin:Interactive:[1]
                            1⤵
                              PID:1808
                              • C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                2⤵
                                • Executes dropped EXE
                                PID:2036
                              • C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                2⤵
                                • Executes dropped EXE
                                PID:1576

                            Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  gntuud.exe

                                  • Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                                  • Size 367KB
                                  • SHA256 b1fe15394d3a406b37ce60bacb43aa513b13dcf07f726cf801d1ddf7b0022b30
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gntuud.exe

                                  • Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                                  • Size 367KB
                                  • SHA256 b1fe15394d3a406b37ce60bacb43aa513b13dcf07f726cf801d1ddf7b0022b30
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gntuud.exe

                                  • Path C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                  • Size 243KB
                                  • SHA256 16fb8609cbf720e31b7850a02fc3a2951a44efcdaf1b5fb960160e7d15e7d009
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gntuud.exe

                                  • Path C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                  • Size 243KB
                                  • SHA256 16fb8609cbf720e31b7850a02fc3a2951a44efcdaf1b5fb960160e7d15e7d009
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gntuud.exe

                                  • Path C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                  • Size 243KB
                                  • SHA256 16fb8609cbf720e31b7850a02fc3a2951a44efcdaf1b5fb960160e7d15e7d009
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gntuud.exe

                                  • Path C:\Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                  • Size 243KB
                                  • SHA256 16fb8609cbf720e31b7850a02fc3a2951a44efcdaf1b5fb960160e7d15e7d009
                                  • MD5 SHA1 SHA512 SSDEEP

                                  YLM4E.eIQ

                                  • Path C:\Users\Admin\AppData\Local\Temp\YLM4E.eIQ
                                  • Size 1.8MB
                                  • SHA256 576848a8cee62893ce25ba5e00a831b1925e0e898dc437f84309736d7d44a65d
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                                  • Size 126KB
                                  • SHA256 55642e6e20a38399879a1c3614023ecfa7ff85d3896c1f83d928d581af6c4748
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                                  • Size 126KB
                                  • SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Lega.exe

                                  • Path C:\Users\Admin\Desktop\1000020053\Lega.exe
                                  • Size 243KB
                                  • SHA256 16fb8609cbf720e31b7850a02fc3a2951a44efcdaf1b5fb960160e7d15e7d009
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Lega.exe

                                  • Path C:\Users\Admin\Desktop\1000020053\Lega.exe
                                  • Size 243KB
                                  • SHA256 16fb8609cbf720e31b7850a02fc3a2951a44efcdaf1b5fb960160e7d15e7d009
                                  • MD5 SHA1 SHA512 SSDEEP

                                  linda5.exe

                                  • Path C:\Users\Admin\Desktop\1000021053\linda5.exe
                                  • Size 1.8MB
                                  • SHA256 1f8587588f938bba43f093b00889be4f97319d675ede224a45c6ce0145e56ada
                                  • MD5 SHA1 SHA512 SSDEEP

                                  linda5.exe

                                  • Path C:\Users\Admin\Desktop\1000021053\linda5.exe
                                  • Size 1.8MB
                                  • SHA256 1f8587588f938bba43f093b00889be4f97319d675ede224a45c6ce0145e56ada
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gntuud.exe

                                  • Path \Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                                  • Size 367KB
                                  • SHA256 b1fe15394d3a406b37ce60bacb43aa513b13dcf07f726cf801d1ddf7b0022b30
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gntuud.exe

                                  • Path \Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                                  • Size 367KB
                                  • SHA256 b1fe15394d3a406b37ce60bacb43aa513b13dcf07f726cf801d1ddf7b0022b30
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gntuud.exe

                                  • Path \Users\Admin\AppData\Local\Temp\6d87dfb3e7\gntuud.exe
                                  • Size 243KB
                                  • SHA256 16fb8609cbf720e31b7850a02fc3a2951a44efcdaf1b5fb960160e7d15e7d009
                                  • MD5 SHA1 SHA512 SSDEEP

                                  yLM4E.eIQ

                                  • Path \Users\Admin\AppData\Local\Temp\yLM4E.eIQ
                                  • Size 1.8MB
                                  • SHA256 576848a8cee62893ce25ba5e00a831b1925e0e898dc437f84309736d7d44a65d
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path \Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                                  • Size 126KB
                                  • SHA256 55642e6e20a38399879a1c3614023ecfa7ff85d3896c1f83d928d581af6c4748
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path \Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                                  • Size 126KB
                                  • SHA256 55642e6e20a38399879a1c3614023ecfa7ff85d3896c1f83d928d581af6c4748
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path \Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                                  • Size 126KB
                                  • SHA256 55642e6e20a38399879a1c3614023ecfa7ff85d3896c1f83d928d581af6c4748
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path \Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                                  • Size 126KB
                                  • SHA256 55642e6e20a38399879a1c3614023ecfa7ff85d3896c1f83d928d581af6c4748
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                                  • Size 126KB
                                  • SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                                  • Size 126KB
                                  • SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                                  • Size 126KB
                                  • SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
                                  • MD5 SHA1 SHA512 SSDEEP

                                  cred64.dll

                                  • Path \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                                  • Size 126KB
                                  • SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Lega.exe

                                  • Path \Users\Admin\Desktop\1000020053\Lega.exe
                                  • Size 243KB
                                  • SHA256 16fb8609cbf720e31b7850a02fc3a2951a44efcdaf1b5fb960160e7d15e7d009
                                  • MD5 SHA1 SHA512 SSDEEP

                                  linda5.exe

                                  • Path \Users\Admin\Desktop\1000021053\linda5.exe
                                  • Size 1.8MB
                                  • SHA256 1f8587588f938bba43f093b00889be4f97319d675ede224a45c6ce0145e56ada
                                  • MD5 SHA1 SHA512 SSDEEP

                                  memory/960-128-0x0000000000190000-0x00000000001B4000-memory.dmp

                                  memory/1284-61-0x0000000000400000-0x0000000000462000-memory.dmp

                                  memory/1284-60-0x00000000003A0000-0x00000000003DE000-memory.dmp

                                  memory/1284-55-0x00000000753F1000-0x00000000753F3000-memory.dmp

                                  memory/1816-117-0x0000000002890000-0x0000000002961000-memory.dmp

                                  memory/1816-101-0x0000000001F50000-0x000000000211D000-memory.dmp

                                  memory/1816-104-0x0000000002380000-0x00000000024DD000-memory.dmp

                                  memory/1816-116-0x00000000027A0000-0x0000000002887000-memory.dmp

                                  memory/1816-105-0x0000000002640000-0x000000000279A000-memory.dmp

                                  memory/1816-118-0x0000000002890000-0x0000000002961000-memory.dmp

                                  memory/1816-120-0x0000000002640000-0x000000000279A000-memory.dmp

                                  memory/2024-103-0x0000000000400000-0x0000000000462000-memory.dmp

                                  memory/2024-73-0x0000000000400000-0x0000000000462000-memory.dmp

                                  memory/2024-72-0x000000000063C000-0x000000000065B000-memory.dmp

                                  memory/2024-102-0x000000000063C000-0x000000000065B000-memory.dmp