Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 16:12

General

  • Target

    file.exe

  • Size

    416KB

  • MD5

    20a6b393d5c098d4e95c49ebd4350a76

  • SHA1

    8038616ee029c9a51a7c95cac57033a10f091c8e

  • SHA256

    3ba533f3f515c41fd7a24e3ff94ff72e5e68c1b78d0ddfd316e780f6b8fe5732

  • SHA512

    e0486c2ddfdccbe7a350a3c4a2942b9e100c0a32c75763f339aa248445c3676eb323af014e644b4eac4f784fd2ce7b232ff5ebb416290b1acbfbdb96db00d52c

  • SSDEEP

    6144:WEAJsLHf/7wloTOxDS/pn+aXUjLu+jBr5yigSBWs6B8PPMk:WEAm737gM2oYaXUjS+x5yzS76B8

Malware Config

Extracted

Family

amadey

Version

3.50

C2

31.41.244.167/v7eWcjs/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
  • 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 9 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4756
    • 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:1796
      • 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:4800
      • 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:4956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1284
      2⤵
      • Program crash
      PID:4580
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4756 -ip 4756
    1⤵
      PID:3076
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:1996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 424
        2⤵
        • Program crash
        PID:4652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1996 -ip 1996
      1⤵
        PID:4628
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:1248
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 416
          2⤵
          • Program crash
          PID:1764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1248 -ip 1248
        1⤵
          PID:4524

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

                Filesize

                416KB

                MD5

                20a6b393d5c098d4e95c49ebd4350a76

                SHA1

                8038616ee029c9a51a7c95cac57033a10f091c8e

                SHA256

                3ba533f3f515c41fd7a24e3ff94ff72e5e68c1b78d0ddfd316e780f6b8fe5732

                SHA512

                e0486c2ddfdccbe7a350a3c4a2942b9e100c0a32c75763f339aa248445c3676eb323af014e644b4eac4f784fd2ce7b232ff5ebb416290b1acbfbdb96db00d52c

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

                Filesize

                416KB

                MD5

                20a6b393d5c098d4e95c49ebd4350a76

                SHA1

                8038616ee029c9a51a7c95cac57033a10f091c8e

                SHA256

                3ba533f3f515c41fd7a24e3ff94ff72e5e68c1b78d0ddfd316e780f6b8fe5732

                SHA512

                e0486c2ddfdccbe7a350a3c4a2942b9e100c0a32c75763f339aa248445c3676eb323af014e644b4eac4f784fd2ce7b232ff5ebb416290b1acbfbdb96db00d52c

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

                Filesize

                416KB

                MD5

                20a6b393d5c098d4e95c49ebd4350a76

                SHA1

                8038616ee029c9a51a7c95cac57033a10f091c8e

                SHA256

                3ba533f3f515c41fd7a24e3ff94ff72e5e68c1b78d0ddfd316e780f6b8fe5732

                SHA512

                e0486c2ddfdccbe7a350a3c4a2942b9e100c0a32c75763f339aa248445c3676eb323af014e644b4eac4f784fd2ce7b232ff5ebb416290b1acbfbdb96db00d52c

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

                Filesize

                416KB

                MD5

                20a6b393d5c098d4e95c49ebd4350a76

                SHA1

                8038616ee029c9a51a7c95cac57033a10f091c8e

                SHA256

                3ba533f3f515c41fd7a24e3ff94ff72e5e68c1b78d0ddfd316e780f6b8fe5732

                SHA512

                e0486c2ddfdccbe7a350a3c4a2942b9e100c0a32c75763f339aa248445c3676eb323af014e644b4eac4f784fd2ce7b232ff5ebb416290b1acbfbdb96db00d52c

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

                Filesize

                126KB

                MD5

                aebf8cd9ea982decded5ee6f3777c6d7

                SHA1

                406e723158cd5697503d1d04839d3bc7a5051603

                SHA256

                104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62

                SHA512

                f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981

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

                Filesize

                126KB

                MD5

                aebf8cd9ea982decded5ee6f3777c6d7

                SHA1

                406e723158cd5697503d1d04839d3bc7a5051603

                SHA256

                104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62

                SHA512

                f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981

              • memory/1248-151-0x0000000000644000-0x0000000000663000-memory.dmp

                Filesize

                124KB

              • memory/1248-152-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB

              • memory/1796-141-0x00000000006B3000-0x00000000006D2000-memory.dmp

                Filesize

                124KB

              • memory/1796-142-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB

              • memory/1796-143-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB

              • memory/1996-146-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB

              • memory/1996-145-0x00000000004E4000-0x0000000000503000-memory.dmp

                Filesize

                124KB

              • memory/4756-137-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB

              • memory/4756-139-0x00000000001C0000-0x00000000001FE000-memory.dmp

                Filesize

                248KB

              • memory/4756-138-0x00000000007E3000-0x0000000000802000-memory.dmp

                Filesize

                124KB

              • memory/4756-132-0x00000000007E3000-0x0000000000802000-memory.dmp

                Filesize

                124KB

              • memory/4756-133-0x00000000001C0000-0x00000000001FE000-memory.dmp

                Filesize

                248KB