Analysis

  • max time kernel
    106s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 12:32

General

  • Target

    file.exe

  • Size

    244KB

  • MD5

    e516ddcfdd8c967ad2581668722af31e

  • SHA1

    1588f5298a8bbea3050a8effdfdf2b189345df1d

  • SHA256

    4886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad

  • SHA512

    c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e

  • SSDEEP

    6144:+liLwJMYm/OJ2IrfyOPL21ctM6i3mXtT9:+li5z/hoPPkV6i3ot

Malware Config

Extracted

Family

amadey

Version

3.50

C2

193.56.146.194/h49vlBP/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:3116
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:2264
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:4616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 1144
      2⤵
      • Program crash
      PID:3620
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3116 -ip 3116
    1⤵
      PID:2504
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:4316
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 416
        2⤵
        • Program crash
        PID:3168
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4316 -ip 4316
      1⤵
        PID:3456
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:3316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 416
          2⤵
          • Program crash
          PID:4144
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 3316 -ip 3316
        1⤵
          PID:4732

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          244KB

          MD5

          e516ddcfdd8c967ad2581668722af31e

          SHA1

          1588f5298a8bbea3050a8effdfdf2b189345df1d

          SHA256

          4886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad

          SHA512

          c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          244KB

          MD5

          e516ddcfdd8c967ad2581668722af31e

          SHA1

          1588f5298a8bbea3050a8effdfdf2b189345df1d

          SHA256

          4886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad

          SHA512

          c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          244KB

          MD5

          e516ddcfdd8c967ad2581668722af31e

          SHA1

          1588f5298a8bbea3050a8effdfdf2b189345df1d

          SHA256

          4886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad

          SHA512

          c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          244KB

          MD5

          e516ddcfdd8c967ad2581668722af31e

          SHA1

          1588f5298a8bbea3050a8effdfdf2b189345df1d

          SHA256

          4886796ce26b6d84d4ca02233f39751892eeef86027077ca8c49f4909ffe83ad

          SHA512

          c86c05f25266c4877c2d62ceb7089a318248e2ccff8cb4dc5d2c60c3305883c4d76864c8ebbaa2465578926e2ee6c67015573a75a0d4430a1562cfb26f6f2c0e

        • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
          Filesize

          126KB

          MD5

          674cec24e36e0dfaec6290db96dda86e

          SHA1

          581e3a7a541cc04641e751fc850d92e07236681f

          SHA256

          de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

          SHA512

          6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

        • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
          Filesize

          126KB

          MD5

          674cec24e36e0dfaec6290db96dda86e

          SHA1

          581e3a7a541cc04641e751fc850d92e07236681f

          SHA256

          de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

          SHA512

          6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

        • memory/2236-142-0x0000000000400000-0x000000000065B000-memory.dmp
          Filesize

          2.4MB

        • memory/2236-144-0x0000000000400000-0x000000000065B000-memory.dmp
          Filesize

          2.4MB

        • memory/2236-141-0x00000000008CC000-0x00000000008EB000-memory.dmp
          Filesize

          124KB

        • memory/2236-135-0x0000000000000000-mapping.dmp
        • memory/2236-143-0x00000000008CC000-0x00000000008EB000-memory.dmp
          Filesize

          124KB

        • memory/2264-140-0x0000000000000000-mapping.dmp
        • memory/3116-138-0x00000000007DD000-0x00000000007FC000-memory.dmp
          Filesize

          124KB

        • memory/3116-139-0x0000000000400000-0x000000000065B000-memory.dmp
          Filesize

          2.4MB

        • memory/3116-132-0x00000000007DD000-0x00000000007FC000-memory.dmp
          Filesize

          124KB

        • memory/3116-134-0x0000000000400000-0x000000000065B000-memory.dmp
          Filesize

          2.4MB

        • memory/3116-133-0x00000000023A0000-0x00000000023DE000-memory.dmp
          Filesize

          248KB

        • memory/3316-152-0x0000000000860000-0x000000000087F000-memory.dmp
          Filesize

          124KB

        • memory/3316-153-0x0000000000400000-0x000000000065B000-memory.dmp
          Filesize

          2.4MB

        • memory/4316-146-0x0000000000A10000-0x0000000000A2F000-memory.dmp
          Filesize

          124KB

        • memory/4316-147-0x0000000000400000-0x000000000065B000-memory.dmp
          Filesize

          2.4MB

        • memory/4616-148-0x0000000000000000-mapping.dmp