Analysis

  • max time kernel
    104s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 20:43

General

  • Target

    file.exe

  • Size

    424KB

  • MD5

    6b01ac6cec9ad9f683ff5397e1ab5ddc

  • SHA1

    299a8eb8a6bd59b701706a43959e11cf10dfbba0

  • SHA256

    292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf

  • SHA512

    c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84

  • SSDEEP

    6144:td/JZr5YLMGh1j1bKfffREArY4TgvtOMo1AJ5MeAWcoBlCXaVe:tdBZlYQGh1JefffRbxgKSjTcWCX3

Malware Config

Extracted

Family

amadey

Version

3.50

C2

62.204.41.6/p9cWxH/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 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:2836
    • C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1476
      • 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\99e342142d\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:3448
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 888
      2⤵
      • Program crash
      PID:3932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2836 -ip 2836
    1⤵
      PID:3372
    • C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 564 -s 416
        2⤵
        • Program crash
        PID:1032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 564 -ip 564
      1⤵
        PID:3324
      • C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:4840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 424
          2⤵
          • Program crash
          PID:1324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4840 -ip 4840
        1⤵
          PID:440

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe

          Filesize

          424KB

          MD5

          6b01ac6cec9ad9f683ff5397e1ab5ddc

          SHA1

          299a8eb8a6bd59b701706a43959e11cf10dfbba0

          SHA256

          292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf

          SHA512

          c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84

        • C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe

          Filesize

          424KB

          MD5

          6b01ac6cec9ad9f683ff5397e1ab5ddc

          SHA1

          299a8eb8a6bd59b701706a43959e11cf10dfbba0

          SHA256

          292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf

          SHA512

          c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84

        • C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe

          Filesize

          424KB

          MD5

          6b01ac6cec9ad9f683ff5397e1ab5ddc

          SHA1

          299a8eb8a6bd59b701706a43959e11cf10dfbba0

          SHA256

          292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf

          SHA512

          c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84

        • C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe

          Filesize

          424KB

          MD5

          6b01ac6cec9ad9f683ff5397e1ab5ddc

          SHA1

          299a8eb8a6bd59b701706a43959e11cf10dfbba0

          SHA256

          292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf

          SHA512

          c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84

        • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll

          Filesize

          126KB

          MD5

          98cc0f811ad5ff43fedc262961002498

          SHA1

          37e48635fcef35c0b3db3c1f0c35833899eb53d8

          SHA256

          62d5b300b911a022c5c146ea010769cd0c2fdcc86aba7e5be25aff1f799220be

          SHA512

          d2ae90628acf92c6f7d176a4c866a0b6a6cfcfd722f0aec89cb48afead4318311c3ca95fe6865ac254b601b70ef5f289a35f4b26fba67a4c9b3cc5e68c7bf9c1

        • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll

          Filesize

          126KB

          MD5

          98cc0f811ad5ff43fedc262961002498

          SHA1

          37e48635fcef35c0b3db3c1f0c35833899eb53d8

          SHA256

          62d5b300b911a022c5c146ea010769cd0c2fdcc86aba7e5be25aff1f799220be

          SHA512

          d2ae90628acf92c6f7d176a4c866a0b6a6cfcfd722f0aec89cb48afead4318311c3ca95fe6865ac254b601b70ef5f289a35f4b26fba67a4c9b3cc5e68c7bf9c1

        • memory/564-144-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/564-143-0x00000000004E4000-0x0000000000503000-memory.dmp

          Filesize

          124KB

        • memory/916-145-0x0000000000000000-mapping.dmp

        • memory/1476-140-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1476-141-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/1476-132-0x0000000000000000-mapping.dmp

        • memory/1476-139-0x0000000000573000-0x0000000000592000-memory.dmp

          Filesize

          124KB

        • memory/2836-137-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/2836-136-0x00000000020E0000-0x000000000211E000-memory.dmp

          Filesize

          248KB

        • memory/2836-135-0x0000000000583000-0x00000000005A2000-memory.dmp

          Filesize

          124KB

        • memory/3448-138-0x0000000000000000-mapping.dmp

        • memory/4840-149-0x0000000000614000-0x0000000000633000-memory.dmp

          Filesize

          124KB

        • memory/4840-150-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB