Analysis

  • max time kernel
    122s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-05-2022 19:47

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 3 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 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\87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c.exe
    "C:\Users\Admin\AppData\Local\Temp\87995a05b25f0dfbc564f2392434c6f66792cdf5690703bffa5797e1c3d5719c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3308
    • 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:4568
      • 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:4184
        • 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:4912
        • 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:660
        • 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:3172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 876
        2⤵
        • Program crash
        PID:4424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3308 -ip 3308
      1⤵
        PID:4528
      • C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
        C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
        1⤵
        • Executes dropped EXE
        PID:2452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 500
          2⤵
          • Program crash
          PID:1700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2452 -ip 2452
        1⤵
          PID:1068
        • C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
          C:\Users\Admin\AppData\Local\Temp\9d5cca72fb\ftewk.exe
          1⤵
          • Executes dropped EXE
          PID:1844
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 508
            2⤵
            • Program crash
            PID:2336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1844 -ip 1844
          1⤵
            PID:5084

          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\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/660-137-0x0000000000000000-mapping.dmp
          • memory/1844-149-0x0000000000400000-0x00000000004A6000-memory.dmp
            Filesize

            664KB

          • memory/1844-148-0x00000000007F4000-0x0000000000812000-memory.dmp
            Filesize

            120KB

          • memory/2452-142-0x0000000000524000-0x0000000000542000-memory.dmp
            Filesize

            120KB

          • memory/2452-143-0x0000000000400000-0x00000000004A6000-memory.dmp
            Filesize

            664KB

          • memory/3172-144-0x0000000000000000-mapping.dmp
          • memory/3308-132-0x0000000000400000-0x00000000004A6000-memory.dmp
            Filesize

            664KB

          • memory/3308-130-0x00000000005FE000-0x000000000061C000-memory.dmp
            Filesize

            120KB

          • memory/3308-131-0x0000000000580000-0x00000000005B8000-memory.dmp
            Filesize

            224KB

          • memory/4184-136-0x0000000000000000-mapping.dmp
          • memory/4568-133-0x0000000000000000-mapping.dmp
          • memory/4568-140-0x0000000000400000-0x00000000004A6000-memory.dmp
            Filesize

            664KB

          • memory/4568-139-0x00000000005EE000-0x000000000060C000-memory.dmp
            Filesize

            120KB

          • memory/4912-138-0x0000000000000000-mapping.dmp