Analysis

  • max time kernel
    147s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-05-2022 13:48

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 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 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 3 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:1136
    • 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:1744
      • 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:5092
        • 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:4868
        • 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:4280
        • 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:2928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 1104
        2⤵
        • Program crash
        PID:4352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1136 -ip 1136
      1⤵
        PID:2484
      • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
        C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
        1⤵
        • Executes dropped EXE
        PID:3928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 484
          2⤵
          • Program crash
          PID:2492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3928 -ip 3928
        1⤵
          PID:2404
        • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          1⤵
          • Executes dropped EXE
          PID:1332
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 484
            2⤵
            • Program crash
            PID:1796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1332 -ip 1332
          1⤵
            PID:1472

          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\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

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

            126KB

            MD5

            d4ca12f7203548519be8455bd836274f

            SHA1

            7c8a18a80ba96c3944462f3a68e63b55da0e1bf4

            SHA256

            7bc6a9edc592553dcb9250d70816f511d43a998f95f4e0b2a347dc2b66f897c4

            SHA512

            e2cad4293dbb043c6d563710087e9769beeb130a80319c151e9d81d9c74b0b5017a23c3fec9cdc022b45491dc6aa6499e3898488dc9c8486e1df83e6da28e697

          • memory/1136-131-0x00000000020E0000-0x0000000002118000-memory.dmp
            Filesize

            224KB

          • memory/1136-132-0x0000000000400000-0x000000000047C000-memory.dmp
            Filesize

            496KB

          • memory/1136-130-0x00000000005D2000-0x00000000005F0000-memory.dmp
            Filesize

            120KB

          • memory/1332-151-0x0000000000400000-0x000000000047C000-memory.dmp
            Filesize

            496KB

          • memory/1332-150-0x0000000000494000-0x00000000004B1000-memory.dmp
            Filesize

            116KB

          • memory/1744-133-0x0000000000000000-mapping.dmp
          • memory/1744-137-0x0000000000400000-0x000000000047C000-memory.dmp
            Filesize

            496KB

          • memory/1744-136-0x0000000000633000-0x0000000000651000-memory.dmp
            Filesize

            120KB

          • memory/2928-144-0x0000000000000000-mapping.dmp
          • memory/2928-148-0x00000000005F0000-0x0000000000614000-memory.dmp
            Filesize

            144KB

          • memory/3928-143-0x0000000000400000-0x000000000047C000-memory.dmp
            Filesize

            496KB

          • memory/3928-142-0x00000000005F4000-0x0000000000611000-memory.dmp
            Filesize

            116KB

          • memory/4280-139-0x0000000000000000-mapping.dmp
          • memory/4868-140-0x0000000000000000-mapping.dmp
          • memory/5092-138-0x0000000000000000-mapping.dmp