Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2023, 21:33

General

  • Target
    file.exe
  • Size 8.0MB
  • Sample230127-1d62jadb97
  • SHA256 2e09674fc46e09a14bcfc5e3078de72c91c17d6fd3aac5146677cbe94a784d24
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.65

C2
  • 77.73.134.27/8bmdh3Slb2/index.php

Signatures

  • Amadey

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

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 24 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 22 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:876
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {07E400D5-8C33-465B-96E9-433C641E81DB} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
          3⤵
            PID:1948
            • C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
              C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
              4⤵
              • Executes dropped EXE
              PID:1552
            • C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
              C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
              4⤵
              • Executes dropped EXE
              PID:840
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k WspService
          2⤵
          • Drops file in System32 directory
          • Checks processor information in registry
          • Modifies data under HKEY_USERS
          • Modifies registry class
          • Suspicious behavior: GetForegroundWindowSpam
          PID:584
      • 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:1524
        • C:\Users\Admin\AppData\Local\Temp\Player3.exe
          "C:\Users\Admin\AppData\Local\Temp\Player3.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:952
          • C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
            "C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1380
            • C:\Windows\SysWOW64\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll, Main
              4⤵
              • Loads dropped DLL
              PID:1576
              • C:\Windows\system32\rundll32.exe
                "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll, Main
                5⤵
                • Loads dropped DLL
                PID:320
                • C:\Windows\system32\WerFault.exe
                  C:\Windows\system32\WerFault.exe -u -p 320 -s 344
                  6⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:1176
        • C:\Users\Admin\AppData\Local\Temp\slwang.exe
          "C:\Users\Admin\AppData\Local\Temp\slwang.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:864
          • C:\Users\Admin\AppData\Local\Temp\slwang.exe
            "C:\Users\Admin\AppData\Local\Temp\slwang.exe" -h
            3⤵
            • Executes dropped EXE
            PID:1996
        • C:\Users\Admin\AppData\Local\Temp\birge.exe
          "C:\Users\Admin\AppData\Local\Temp\birge.exe"
          2⤵
          • Executes dropped EXE
          PID:1940
        • C:\Users\Admin\AppData\Local\Temp\pb1111.exe
          "C:\Users\Admin\AppData\Local\Temp\pb1111.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:580
      • 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\16de06bfb4\nbveek.exe" /F
        1⤵
        • Creates scheduled task(s)
        PID:1768
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 580 -s 56
        1⤵
        • Loads dropped DLL
        • Program crash
        PID:1476
      • 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 "..\16de06bfb4" /P "Admin:N"&&CACLS "..\16de06bfb4" /P "Admin:R" /E&&Exit
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:768
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
          2⤵
            PID:1748
          • C:\Windows\SysWOW64\cacls.exe
            CACLS "nbveek.exe" /P "Admin:N"
            2⤵
              PID:1772
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "nbveek.exe" /P "Admin:R" /E
              2⤵
                PID:1636
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                2⤵
                  PID:960
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\16de06bfb4" /P "Admin:R" /E
                  2⤵
                    PID:1672
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\16de06bfb4" /P "Admin:N"
                    2⤵
                      PID:1252
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
                    1⤵
                    • Process spawned unexpected child process
                    • Suspicious use of WriteProcessMemory
                    PID:1176
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
                      2⤵
                      • Loads dropped DLL
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1404

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        nbveek.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                        • Size 244KB
                        • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                        • MD5 SHA1 SHA512 SSDEEP

                        nbveek.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                        • Size 244KB
                        • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                        • MD5 SHA1 SHA512 SSDEEP

                        nbveek.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                        • Size 244KB
                        • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                        • MD5 SHA1 SHA512 SSDEEP

                        nbveek.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                        • Size 244KB
                        • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                        • MD5 SHA1 SHA512 SSDEEP

                        Player3.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\Player3.exe
                        • Size 244KB
                        • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                        • MD5 SHA1 SHA512 SSDEEP

                        Player3.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\Player3.exe
                        • Size 244KB
                        • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                        • MD5 SHA1 SHA512 SSDEEP

                        birge.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\birge.exe
                        • Size 4.1MB
                        • SHA256 d5ad882f073204e5a841f0478fbf27ee1ad4ae2bbf09853fedf85cea9c35bb98
                        • MD5 SHA1 SHA512 SSDEEP

                        db.dat

                        • Path C:\Users\Admin\AppData\Local\Temp\db.dat
                        • Size 557KB
                        • SHA256 b7cb464cd0c61026ec38d89c0a041393bc9369e217303677551eec65a09d2628
                        • MD5 SHA1 SHA512 SSDEEP

                        db.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\db.dll
                        • Size 52KB
                        • SHA256 ec01d244074f45d4f698f5713147e99d76053824a648b306e1debf69f3ba9ce6
                        • MD5 SHA1 SHA512 SSDEEP

                        pb1111.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\pb1111.exe
                        • Size 3.5MB
                        • SHA256 ac371bda90a40da22f6fcf633b7ad731c9b11de21cc91ed47ab12cbe18d18ae5
                        • MD5 SHA1 SHA512 SSDEEP

                        slwang.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\slwang.exe
                        • Size 160KB
                        • SHA256 01138f2318e59e1fe59f1eb7de3859af815ebf9a59aae1084c1a97a99319ee35
                        • MD5 SHA1 SHA512 SSDEEP

                        slwang.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\slwang.exe
                        • Size 160KB
                        • SHA256 01138f2318e59e1fe59f1eb7de3859af815ebf9a59aae1084c1a97a99319ee35
                        • MD5 SHA1 SHA512 SSDEEP

                        slwang.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\slwang.exe
                        • Size 160KB
                        • SHA256 01138f2318e59e1fe59f1eb7de3859af815ebf9a59aae1084c1a97a99319ee35
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        nbveek.exe

                        • Path \Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                        • Size 244KB
                        • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                        • MD5 SHA1 SHA512 SSDEEP

                        Player3.exe

                        • Path \Users\Admin\AppData\Local\Temp\Player3.exe
                        • Size 244KB
                        • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                        • MD5 SHA1 SHA512 SSDEEP

                        birge.exe

                        • Path \Users\Admin\AppData\Local\Temp\birge.exe
                        • Size 4.1MB
                        • SHA256 d5ad882f073204e5a841f0478fbf27ee1ad4ae2bbf09853fedf85cea9c35bb98
                        • MD5 SHA1 SHA512 SSDEEP

                        db.dll

                        • Path \Users\Admin\AppData\Local\Temp\db.dll
                        • Size 52KB
                        • SHA256 ec01d244074f45d4f698f5713147e99d76053824a648b306e1debf69f3ba9ce6
                        • MD5 SHA1 SHA512 SSDEEP

                        db.dll

                        • Path \Users\Admin\AppData\Local\Temp\db.dll
                        • Size 52KB
                        • SHA256 ec01d244074f45d4f698f5713147e99d76053824a648b306e1debf69f3ba9ce6
                        • MD5 SHA1 SHA512 SSDEEP

                        db.dll

                        • Path \Users\Admin\AppData\Local\Temp\db.dll
                        • Size 52KB
                        • SHA256 ec01d244074f45d4f698f5713147e99d76053824a648b306e1debf69f3ba9ce6
                        • MD5 SHA1 SHA512 SSDEEP

                        db.dll

                        • Path \Users\Admin\AppData\Local\Temp\db.dll
                        • Size 52KB
                        • SHA256 ec01d244074f45d4f698f5713147e99d76053824a648b306e1debf69f3ba9ce6
                        • MD5 SHA1 SHA512 SSDEEP

                        pb1111.exe

                        • Path \Users\Admin\AppData\Local\Temp\pb1111.exe
                        • Size 3.5MB
                        • SHA256 ac371bda90a40da22f6fcf633b7ad731c9b11de21cc91ed47ab12cbe18d18ae5
                        • MD5 SHA1 SHA512 SSDEEP

                        pb1111.exe

                        • Path \Users\Admin\AppData\Local\Temp\pb1111.exe
                        • Size 3.5MB
                        • SHA256 ac371bda90a40da22f6fcf633b7ad731c9b11de21cc91ed47ab12cbe18d18ae5
                        • MD5 SHA1 SHA512 SSDEEP

                        pb1111.exe

                        • Path \Users\Admin\AppData\Local\Temp\pb1111.exe
                        • Size 3.5MB
                        • SHA256 ac371bda90a40da22f6fcf633b7ad731c9b11de21cc91ed47ab12cbe18d18ae5
                        • MD5 SHA1 SHA512 SSDEEP

                        pb1111.exe

                        • Path \Users\Admin\AppData\Local\Temp\pb1111.exe
                        • Size 3.5MB
                        • SHA256 ac371bda90a40da22f6fcf633b7ad731c9b11de21cc91ed47ab12cbe18d18ae5
                        • MD5 SHA1 SHA512 SSDEEP

                        slwang.exe

                        • Path \Users\Admin\AppData\Local\Temp\slwang.exe
                        • Size 160KB
                        • SHA256 01138f2318e59e1fe59f1eb7de3859af815ebf9a59aae1084c1a97a99319ee35
                        • MD5 SHA1 SHA512 SSDEEP

                        slwang.exe

                        • Path \Users\Admin\AppData\Local\Temp\slwang.exe
                        • Size 160KB
                        • SHA256 01138f2318e59e1fe59f1eb7de3859af815ebf9a59aae1084c1a97a99319ee35
                        • MD5 SHA1 SHA512 SSDEEP

                        slwang.exe

                        • Path \Users\Admin\AppData\Local\Temp\slwang.exe
                        • Size 160KB
                        • SHA256 01138f2318e59e1fe59f1eb7de3859af815ebf9a59aae1084c1a97a99319ee35
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        cred64.dll

                        • Path \Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                        • Size 1.0MB
                        • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                        • MD5 SHA1 SHA512 SSDEEP

                        memory/580-72-0x0000000140000000-0x0000000140618000-memory.dmp

                        memory/584-123-0x0000000002CF0000-0x0000000002DFA000-memory.dmp

                        memory/584-124-0x00000000004A0000-0x00000000004C0000-memory.dmp

                        memory/584-106-0x0000000000060000-0x00000000000AD000-memory.dmp

                        memory/584-127-0x0000000002CF0000-0x0000000002DFA000-memory.dmp

                        memory/584-126-0x00000000004D0000-0x0000000000542000-memory.dmp

                        memory/584-125-0x0000000001C70000-0x0000000001C8B000-memory.dmp

                        memory/584-122-0x0000000000480000-0x000000000049B000-memory.dmp

                        memory/584-119-0x0000000000060000-0x00000000000AD000-memory.dmp

                        memory/584-120-0x00000000004D0000-0x0000000000542000-memory.dmp

                        memory/584-121-0x000007FEFB5E1000-0x000007FEFB5E3000-memory.dmp

                        memory/876-112-0x0000000001090000-0x0000000001102000-memory.dmp

                        memory/876-111-0x0000000000930000-0x000000000097D000-memory.dmp

                        memory/1404-110-0x0000000000960000-0x0000000000A61000-memory.dmp

                        memory/1404-109-0x00000000007F0000-0x000000000084E000-memory.dmp

                        memory/1524-55-0x0000000075B51000-0x0000000075B53000-memory.dmp

                        memory/1524-54-0x00000000003A0000-0x0000000000B9A000-memory.dmp

                        memory/1940-95-0x0000000000400000-0x0000000000B67000-memory.dmp