Analysis

  • max time kernel
    144s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-05-2022 13:46

General

  • Target

    87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c.exe

  • Size

    383KB

  • MD5

    56d9df4afbbaee34afb646e85fb4419d

  • SHA1

    0ad215a57d93b70fa3a137060f5f5a3369d4f542

  • SHA256

    87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c

  • SHA512

    1178e68a8ebf530fa71bfe4b63543ea486555b3badfcc144d48920eafbf1f89bfd4a73ea5b04e09f8f9858e6748ae3e25db0c03332939be51131794313e59d31

Malware Config

Extracted

Family

amadey

Version

3.08

C2

179.43.154.147/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\87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c.exe
    "C:\Users\Admin\AppData\Local\Temp\87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3316
    • C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
      "C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2092
      • 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\9d5cca72fb\
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4376
        • 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\9d5cca72fb\
          4⤵
            PID:452
        • 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\9d5cca72fb\ftewk.exe" /F
          3⤵
          • Creates scheduled task(s)
          PID:4244
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\465dbc52837d81\cred.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • outlook_win_path
          PID:64
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 868
        2⤵
        • Program crash
        PID:3180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3316 -ip 3316
      1⤵
        PID:4564
      • C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
        C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
        1⤵
        • Executes dropped EXE
        PID:4464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 500
          2⤵
          • Program crash
          PID:4516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4464 -ip 4464
        1⤵
          PID:4076

        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\9d5cca72fb\ftewk.exe
          Filesize

          383KB

          MD5

          56d9df4afbbaee34afb646e85fb4419d

          SHA1

          0ad215a57d93b70fa3a137060f5f5a3369d4f542

          SHA256

          87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c

          SHA512

          1178e68a8ebf530fa71bfe4b63543ea486555b3badfcc144d48920eafbf1f89bfd4a73ea5b04e09f8f9858e6748ae3e25db0c03332939be51131794313e59d31

        • C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
          Filesize

          383KB

          MD5

          56d9df4afbbaee34afb646e85fb4419d

          SHA1

          0ad215a57d93b70fa3a137060f5f5a3369d4f542

          SHA256

          87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c

          SHA512

          1178e68a8ebf530fa71bfe4b63543ea486555b3badfcc144d48920eafbf1f89bfd4a73ea5b04e09f8f9858e6748ae3e25db0c03332939be51131794313e59d31

        • C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
          Filesize

          383KB

          MD5

          56d9df4afbbaee34afb646e85fb4419d

          SHA1

          0ad215a57d93b70fa3a137060f5f5a3369d4f542

          SHA256

          87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c

          SHA512

          1178e68a8ebf530fa71bfe4b63543ea486555b3badfcc144d48920eafbf1f89bfd4a73ea5b04e09f8f9858e6748ae3e25db0c03332939be51131794313e59d31

        • C:\Users\Admin\AppData\Roaming\465dbc52837d81\cred.dll
          Filesize

          126KB

          MD5

          b74b2173abbc5a72d47143c1ba62c97c

          SHA1

          b8d17f4f90fbc3b1347c12caf844354b65184735

          SHA256

          8dce72063ff6c2ec939aafe4dc0e247cec27fae82cde7886fda902cc8cd0aa75

          SHA512

          ab73dcb86ae46e7d13d64151e5da9fd4548eccbc9b80ebf32c7de6152f25cbeba64dc3993f4431cb85aa3813cd406d18ea625ec2d92142f0eb295e2ad6ebf6ac

        • C:\Users\Admin\AppData\Roaming\465dbc52837d81\cred.dll
          Filesize

          126KB

          MD5

          b74b2173abbc5a72d47143c1ba62c97c

          SHA1

          b8d17f4f90fbc3b1347c12caf844354b65184735

          SHA256

          8dce72063ff6c2ec939aafe4dc0e247cec27fae82cde7886fda902cc8cd0aa75

          SHA512

          ab73dcb86ae46e7d13d64151e5da9fd4548eccbc9b80ebf32c7de6152f25cbeba64dc3993f4431cb85aa3813cd406d18ea625ec2d92142f0eb295e2ad6ebf6ac

        • memory/64-141-0x0000000000000000-mapping.dmp
        • memory/452-140-0x0000000000000000-mapping.dmp
        • memory/2092-137-0x0000000000400000-0x00000000004A6000-memory.dmp
          Filesize

          664KB

        • memory/2092-133-0x0000000000000000-mapping.dmp
        • memory/2092-136-0x000000000054E000-0x000000000056C000-memory.dmp
          Filesize

          120KB

        • memory/3316-130-0x00000000007EE000-0x000000000080C000-memory.dmp
          Filesize

          120KB

        • memory/3316-132-0x0000000000400000-0x00000000004A6000-memory.dmp
          Filesize

          664KB

        • memory/3316-131-0x00000000021E0000-0x0000000002218000-memory.dmp
          Filesize

          224KB

        • memory/4244-139-0x0000000000000000-mapping.dmp
        • memory/4376-138-0x0000000000000000-mapping.dmp
        • memory/4464-145-0x0000000000614000-0x0000000000632000-memory.dmp
          Filesize

          120KB

        • memory/4464-146-0x0000000000400000-0x00000000004A6000-memory.dmp
          Filesize

          664KB