Analysis

  • max time kernel
    114s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-05-2022 19:47

General

  • Target

    920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe

  • Size

    321KB

  • MD5

    198929adc74b1ba1e260c2b614e1ed80

  • SHA1

    2bc01b272b38257f357104ae6c2a7e70e59aabce

  • SHA256

    920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3

  • SHA512

    094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff

Malware Config

Extracted

Family

amadey

Version

3.08

C2

185.215.113.35/d2VxjasuwS/index.php

Signatures

  • Amadey

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

  • suricata: ET MALWARE Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • 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 15 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe
    "C:\Users\Admin\AppData\Local\Temp\920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
      "C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4904
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\e014321378\
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4536
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\e014321378\
          4⤵
            PID:5112
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN ftewk.exe /TR "C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe" /F
          3⤵
          • Creates scheduled task(s)
          PID:4760
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • outlook_win_path
          PID:4376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 1260
        2⤵
        • Program crash
        PID:1008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4776 -ip 4776
      1⤵
        PID:3620
      • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
        C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
        1⤵
        • Executes dropped EXE
        PID:4916
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 484
          2⤵
          • Program crash
          PID:2392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4916 -ip 4916
        1⤵
          PID:2020

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          Filesize

          321KB

          MD5

          198929adc74b1ba1e260c2b614e1ed80

          SHA1

          2bc01b272b38257f357104ae6c2a7e70e59aabce

          SHA256

          920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3

          SHA512

          094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff

        • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          Filesize

          321KB

          MD5

          198929adc74b1ba1e260c2b614e1ed80

          SHA1

          2bc01b272b38257f357104ae6c2a7e70e59aabce

          SHA256

          920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3

          SHA512

          094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff

        • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          Filesize

          321KB

          MD5

          198929adc74b1ba1e260c2b614e1ed80

          SHA1

          2bc01b272b38257f357104ae6c2a7e70e59aabce

          SHA256

          920872b6c2b2f2c535729538c8359f8a8456399dbe6eec8cf52389e16c1458d3

          SHA512

          094e75cf694278231c479d556dd48d6cf19ba6dad4569cf701914fc3f671253881e20d787adad555820d05be3c922279befea23100f7718452d35d05239b4cff

        • C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dll
          Filesize

          126KB

          MD5

          d4ca12f7203548519be8455bd836274f

          SHA1

          7c8a18a80ba96c3944462f3a68e63b55da0e1bf4

          SHA256

          7bc6a9edc592553dcb9250d70816f511d43a998f95f4e0b2a347dc2b66f897c4

          SHA512

          e2cad4293dbb043c6d563710087e9769beeb130a80319c151e9d81d9c74b0b5017a23c3fec9cdc022b45491dc6aa6499e3898488dc9c8486e1df83e6da28e697

        • C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dll
          Filesize

          126KB

          MD5

          d4ca12f7203548519be8455bd836274f

          SHA1

          7c8a18a80ba96c3944462f3a68e63b55da0e1bf4

          SHA256

          7bc6a9edc592553dcb9250d70816f511d43a998f95f4e0b2a347dc2b66f897c4

          SHA512

          e2cad4293dbb043c6d563710087e9769beeb130a80319c151e9d81d9c74b0b5017a23c3fec9cdc022b45491dc6aa6499e3898488dc9c8486e1df83e6da28e697

        • memory/4376-145-0x0000000000000000-mapping.dmp
        • memory/4536-136-0x0000000000000000-mapping.dmp
        • memory/4760-140-0x0000000000000000-mapping.dmp
        • memory/4776-130-0x00000000006D2000-0x00000000006F0000-memory.dmp
          Filesize

          120KB

        • memory/4776-131-0x0000000000650000-0x0000000000688000-memory.dmp
          Filesize

          224KB

        • memory/4776-132-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/4904-139-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/4904-138-0x00000000020D0000-0x0000000002108000-memory.dmp
          Filesize

          224KB

        • memory/4904-133-0x0000000000000000-mapping.dmp
        • memory/4904-137-0x0000000000613000-0x0000000000631000-memory.dmp
          Filesize

          120KB

        • memory/4916-143-0x00000000006F4000-0x0000000000711000-memory.dmp
          Filesize

          116KB

        • memory/4916-144-0x0000000000400000-0x000000000047C000-memory.dmp
          Filesize

          496KB

        • memory/5112-141-0x0000000000000000-mapping.dmp