Analysis

  • max time kernel
    163s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08/12/2022, 22:45

General

  • Target
    file.exe
  • Size 296KB
  • Sample221208-2pd1kaef91
  • SHA256 bf2b57ec5048d574ad425e14ba2b184d6372b245eff964e63c10ff20a516d9a7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.50

C2
  • 31.41.244.237/jg94cVd30f/index.php

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 5 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 15 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 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 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:1928
    • C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:940
      • 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\9c69749b54\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1488
      • 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 "..\9c69749b54" /P "Admin:N"&&CACLS "..\9c69749b54" /P "Admin:R" /E&&Exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1336
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
          4⤵
            PID:1000
          • C:\Windows\SysWOW64\cacls.exe
            CACLS "gntuud.exe" /P "Admin:N"
            4⤵
              PID:980
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "gntuud.exe" /P "Admin:R" /E
              4⤵
                PID:432
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                4⤵
                  PID:520
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\9c69749b54" /P "Admin:N"
                  4⤵
                    PID:1860
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\9c69749b54" /P "Admin:R" /E
                    4⤵
                      PID:1624
                  • C:\Users\Admin\AppData\Local\Temp\1000005001\linda5.exe
                    "C:\Users\Admin\AppData\Local\Temp\1000005001\linda5.exe"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:1076
                    • C:\Windows\SysWOW64\control.exe
                      "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\385LZMZ.cpl",
                      4⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1868
                      • C:\Windows\SysWOW64\rundll32.exe
                        "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\385LZMZ.cpl",
                        5⤵
                        • Loads dropped DLL
                        • Suspicious use of WriteProcessMemory
                        PID:944
                        • C:\Windows\system32\RunDll32.exe
                          C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\385LZMZ.cpl",
                          6⤵
                            PID:856
                            • C:\Windows\SysWOW64\rundll32.exe
                              "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\385LZMZ.cpl",
                              7⤵
                              • Loads dropped DLL
                              PID:468
                    • C:\Windows\SysWOW64\rundll32.exe
                      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll, Main
                      3⤵
                      • Blocklisted process makes network request
                      • Loads dropped DLL
                      • Accesses Microsoft Outlook profiles
                      • Suspicious behavior: EnumeratesProcesses
                      • outlook_win_path
                      PID:1928
                • C:\Windows\system32\taskeng.exe
                  taskeng.exe {394466D6-04AC-4F7F-B2AB-869DF92E83DA} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
                  1⤵
                  • Suspicious use of WriteProcessMemory
                  PID:616
                  • C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                    C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                    2⤵
                    • Executes dropped EXE
                    PID:1736
                  • C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                    C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                    2⤵
                    • Executes dropped EXE
                    PID:1816
                  • C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                    C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                    2⤵
                    • Executes dropped EXE
                    PID:812

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      linda5.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000005001\linda5.exe
                      • Size 1.6MB
                      • SHA256 bbc1530a22f687ace0c7fc28818096d8e9846d4cab1fa8375a10aa4a581d78e7
                      • MD5 SHA1 SHA512 SSDEEP

                      linda5.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000005001\linda5.exe
                      • Size 1.6MB
                      • SHA256 bbc1530a22f687ace0c7fc28818096d8e9846d4cab1fa8375a10aa4a581d78e7
                      • MD5 SHA1 SHA512 SSDEEP

                      385LZMZ.cpl

                      • Path C:\Users\Admin\AppData\Local\Temp\385LZMZ.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      gntuud.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                      • Size 296KB
                      • SHA256 bf2b57ec5048d574ad425e14ba2b184d6372b245eff964e63c10ff20a516d9a7
                      • MD5 SHA1 SHA512 SSDEEP

                      gntuud.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                      • Size 296KB
                      • SHA256 bf2b57ec5048d574ad425e14ba2b184d6372b245eff964e63c10ff20a516d9a7
                      • MD5 SHA1 SHA512 SSDEEP

                      gntuud.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                      • Size 296KB
                      • SHA256 bf2b57ec5048d574ad425e14ba2b184d6372b245eff964e63c10ff20a516d9a7
                      • MD5 SHA1 SHA512 SSDEEP

                      gntuud.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                      • Size 296KB
                      • SHA256 bf2b57ec5048d574ad425e14ba2b184d6372b245eff964e63c10ff20a516d9a7
                      • MD5 SHA1 SHA512 SSDEEP

                      gntuud.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                      • Size 296KB
                      • SHA256 bf2b57ec5048d574ad425e14ba2b184d6372b245eff964e63c10ff20a516d9a7
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
                      • Size 126KB
                      • SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
                      • MD5 SHA1 SHA512 SSDEEP

                      linda5.exe

                      • Path \Users\Admin\AppData\Local\Temp\1000005001\linda5.exe
                      • Size 1.6MB
                      • SHA256 bbc1530a22f687ace0c7fc28818096d8e9846d4cab1fa8375a10aa4a581d78e7
                      • MD5 SHA1 SHA512 SSDEEP

                      385Lzmz.cpl

                      • Path \Users\Admin\AppData\Local\Temp\385Lzmz.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      385Lzmz.cpl

                      • Path \Users\Admin\AppData\Local\Temp\385Lzmz.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      385Lzmz.cpl

                      • Path \Users\Admin\AppData\Local\Temp\385Lzmz.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      385Lzmz.cpl

                      • Path \Users\Admin\AppData\Local\Temp\385Lzmz.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      385Lzmz.cpl

                      • Path \Users\Admin\AppData\Local\Temp\385Lzmz.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      385Lzmz.cpl

                      • Path \Users\Admin\AppData\Local\Temp\385Lzmz.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      385Lzmz.cpl

                      • Path \Users\Admin\AppData\Local\Temp\385Lzmz.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      385Lzmz.cpl

                      • Path \Users\Admin\AppData\Local\Temp\385Lzmz.cpl
                      • Size 2.0MB
                      • SHA256 637a16f1f57eb9aedf5835605b51eb0a3eda45d16fa074a94373c02a5c238b2e
                      • MD5 SHA1 SHA512 SSDEEP

                      gntuud.exe

                      • Path \Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                      • Size 296KB
                      • SHA256 bf2b57ec5048d574ad425e14ba2b184d6372b245eff964e63c10ff20a516d9a7
                      • MD5 SHA1 SHA512 SSDEEP

                      gntuud.exe

                      • Path \Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
                      • Size 296KB
                      • SHA256 bf2b57ec5048d574ad425e14ba2b184d6372b245eff964e63c10ff20a516d9a7
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path \Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
                      • Size 126KB
                      • SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path \Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
                      • Size 126KB
                      • SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path \Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
                      • Size 126KB
                      • SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path \Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
                      • Size 126KB
                      • SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/468-125-0x0000000001F30000-0x0000000002B7A000-memory.dmp

                      memory/468-118-0x0000000001F30000-0x0000000002B7A000-memory.dmp

                      memory/468-119-0x0000000001F30000-0x0000000002B7A000-memory.dmp

                      memory/468-127-0x0000000002BC0000-0x0000000002CAB000-memory.dmp

                      memory/468-128-0x0000000002BC0000-0x0000000002CAB000-memory.dmp

                      memory/468-130-0x0000000001F30000-0x0000000002061000-memory.dmp

                      memory/812-134-0x00000000005AB000-0x00000000005CA000-memory.dmp

                      memory/812-135-0x0000000000400000-0x0000000000467000-memory.dmp

                      memory/940-73-0x0000000000400000-0x0000000000467000-memory.dmp

                      memory/940-72-0x00000000008CB000-0x00000000008EA000-memory.dmp

                      memory/940-96-0x00000000008CB000-0x00000000008EA000-memory.dmp

                      memory/940-97-0x0000000000400000-0x0000000000467000-memory.dmp

                      memory/944-107-0x0000000002B20000-0x0000000002C0B000-memory.dmp

                      memory/944-98-0x0000000002140000-0x0000000002D8A000-memory.dmp

                      memory/944-106-0x0000000001F10000-0x0000000002012000-memory.dmp

                      memory/944-94-0x0000000002140000-0x0000000002D8A000-memory.dmp

                      memory/944-95-0x0000000002140000-0x0000000002D8A000-memory.dmp

                      memory/1736-78-0x0000000000400000-0x0000000000467000-memory.dmp

                      memory/1736-77-0x000000000065B000-0x000000000067A000-memory.dmp

                      memory/1816-123-0x000000000055B000-0x000000000057A000-memory.dmp

                      memory/1816-124-0x0000000000400000-0x0000000000467000-memory.dmp

                      memory/1928-59-0x000000000062B000-0x000000000064A000-memory.dmp

                      memory/1928-54-0x0000000075521000-0x0000000075523000-memory.dmp

                      memory/1928-61-0x0000000000400000-0x0000000000467000-memory.dmp

                      memory/1928-60-0x0000000000220000-0x000000000025E000-memory.dmp