Analysis

  • max time kernel
    162s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 08:55

General

  • Target

    6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd.exe

  • Size

    204KB

  • MD5

    eac9d7d0af5f683503ec603650d352cd

  • SHA1

    eecd0104a3c40b85d2cd75d4814e40a0a8d694ea

  • SHA256

    6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd

  • SHA512

    f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f

  • SSDEEP

    3072:wsmfIr2yEHXl65J7pZuSCCZyTJhx5N2mWNEss3swQTgluUyQBBjkZdEVEWsmI:Mg2yEIfuyyTnxr2jNRwQTgDdmdbW

Malware Config

Extracted

Family

amadey

Version

3.50

C2

31.41.244.17/hfk3vK9/index.php

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 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 4 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 9 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd.exe
    "C:\Users\Admin\AppData\Local\Temp\6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3132
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:4336
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:3204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 1136
      2⤵
      • Program crash
      PID:4268
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2084 -ip 2084
    1⤵
      PID:4132
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 788 -s 416
        2⤵
        • Program crash
        PID:2372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 788 -ip 788
      1⤵
        PID:3924
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 424
          2⤵
          • Program crash
          PID:1140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 208 -ip 208
        1⤵
          PID:3284
        • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          1⤵
          • Executes dropped EXE
          PID:2992
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 416
            2⤵
            • Program crash
            PID:2144
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2992 -ip 2992
          1⤵
            PID:4444

          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\3f904562a0\gntuud.exe
            Filesize

            204KB

            MD5

            eac9d7d0af5f683503ec603650d352cd

            SHA1

            eecd0104a3c40b85d2cd75d4814e40a0a8d694ea

            SHA256

            6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd

            SHA512

            f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f

          • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
            Filesize

            204KB

            MD5

            eac9d7d0af5f683503ec603650d352cd

            SHA1

            eecd0104a3c40b85d2cd75d4814e40a0a8d694ea

            SHA256

            6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd

            SHA512

            f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f

          • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
            Filesize

            204KB

            MD5

            eac9d7d0af5f683503ec603650d352cd

            SHA1

            eecd0104a3c40b85d2cd75d4814e40a0a8d694ea

            SHA256

            6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd

            SHA512

            f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f

          • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
            Filesize

            204KB

            MD5

            eac9d7d0af5f683503ec603650d352cd

            SHA1

            eecd0104a3c40b85d2cd75d4814e40a0a8d694ea

            SHA256

            6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd

            SHA512

            f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f

          • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
            Filesize

            204KB

            MD5

            eac9d7d0af5f683503ec603650d352cd

            SHA1

            eecd0104a3c40b85d2cd75d4814e40a0a8d694ea

            SHA256

            6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd

            SHA512

            f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f

          • C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
            Filesize

            126KB

            MD5

            adbaf286228c46522e50371c4be31a03

            SHA1

            a29d644c4663b2e2b2bd92046ba0df629537c297

            SHA256

            d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

            SHA512

            74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

          • C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
            Filesize

            126KB

            MD5

            adbaf286228c46522e50371c4be31a03

            SHA1

            a29d644c4663b2e2b2bd92046ba0df629537c297

            SHA256

            d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

            SHA512

            74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

          • memory/208-151-0x0000000000400000-0x0000000000AE5000-memory.dmp
            Filesize

            6.9MB

          • memory/208-150-0x0000000000B60000-0x0000000000B7F000-memory.dmp
            Filesize

            124KB

          • memory/788-145-0x0000000000400000-0x0000000000AE5000-memory.dmp
            Filesize

            6.9MB

          • memory/788-144-0x0000000000E40000-0x0000000000E5F000-memory.dmp
            Filesize

            124KB

          • memory/2084-137-0x0000000000400000-0x0000000000AE5000-memory.dmp
            Filesize

            6.9MB

          • memory/2084-136-0x0000000002850000-0x000000000288E000-memory.dmp
            Filesize

            248KB

          • memory/2084-135-0x0000000000B3E000-0x0000000000B5D000-memory.dmp
            Filesize

            124KB

          • memory/2992-153-0x0000000000C60000-0x0000000000C7F000-memory.dmp
            Filesize

            124KB

          • memory/2992-154-0x0000000000400000-0x0000000000AE5000-memory.dmp
            Filesize

            6.9MB

          • memory/3132-142-0x0000000000400000-0x0000000000AE5000-memory.dmp
            Filesize

            6.9MB

          • memory/3132-141-0x0000000000BBC000-0x0000000000BDB000-memory.dmp
            Filesize

            124KB

          • memory/3132-140-0x0000000000400000-0x0000000000AE5000-memory.dmp
            Filesize

            6.9MB

          • memory/3132-139-0x0000000000BBC000-0x0000000000BDB000-memory.dmp
            Filesize

            124KB

          • memory/3132-132-0x0000000000000000-mapping.dmp
          • memory/3204-146-0x0000000000000000-mapping.dmp
          • memory/4336-138-0x0000000000000000-mapping.dmp