Analysis

  • max time kernel
    234s
  • max time network
    244s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 23:57

General

  • Target

    file.exe

  • Size

    205KB

  • MD5

    2ff41f0db8c2dd807a5361add8f4de43

  • SHA1

    3db2eb3d9f763a690cf940bcbe9124e95ddd8ee1

  • SHA256

    294b8b4d6e8185e3365b83552186ff8248ffdcfb9c3325d3efbcb7f0cb4f92cd

  • SHA512

    049899d276c8f6829f257f6994bf6e1a2dcea8e9538791e2081de6e291df6eaf011849384c688ce215402e495b9f64184d9bcfd430ca3da60c58e604f0dd49c4

  • SSDEEP

    3072:mMrM2SdIiuD5UN+fioDqlUte33ezSN2jlLsJOAbeN4FbABaEIodcl:dSdIsN+fioDq2EHisjJ5icABH

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 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:4912
    • 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:4840
      • 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:3600
      • 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:4736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 1284
      2⤵
      • Program crash
      PID:2040
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4912 -ip 4912
    1⤵
      PID:1396
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:3972
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 416
        2⤵
        • Program crash
        PID:3688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3972 -ip 3972
      1⤵
        PID:3652
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:8
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 416
          2⤵
          • Program crash
          PID:2032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 8 -ip 8
        1⤵
          PID:4548

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          205KB

          MD5

          2ff41f0db8c2dd807a5361add8f4de43

          SHA1

          3db2eb3d9f763a690cf940bcbe9124e95ddd8ee1

          SHA256

          294b8b4d6e8185e3365b83552186ff8248ffdcfb9c3325d3efbcb7f0cb4f92cd

          SHA512

          049899d276c8f6829f257f6994bf6e1a2dcea8e9538791e2081de6e291df6eaf011849384c688ce215402e495b9f64184d9bcfd430ca3da60c58e604f0dd49c4

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

          Filesize

          205KB

          MD5

          2ff41f0db8c2dd807a5361add8f4de43

          SHA1

          3db2eb3d9f763a690cf940bcbe9124e95ddd8ee1

          SHA256

          294b8b4d6e8185e3365b83552186ff8248ffdcfb9c3325d3efbcb7f0cb4f92cd

          SHA512

          049899d276c8f6829f257f6994bf6e1a2dcea8e9538791e2081de6e291df6eaf011849384c688ce215402e495b9f64184d9bcfd430ca3da60c58e604f0dd49c4

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

          Filesize

          205KB

          MD5

          2ff41f0db8c2dd807a5361add8f4de43

          SHA1

          3db2eb3d9f763a690cf940bcbe9124e95ddd8ee1

          SHA256

          294b8b4d6e8185e3365b83552186ff8248ffdcfb9c3325d3efbcb7f0cb4f92cd

          SHA512

          049899d276c8f6829f257f6994bf6e1a2dcea8e9538791e2081de6e291df6eaf011849384c688ce215402e495b9f64184d9bcfd430ca3da60c58e604f0dd49c4

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

          Filesize

          205KB

          MD5

          2ff41f0db8c2dd807a5361add8f4de43

          SHA1

          3db2eb3d9f763a690cf940bcbe9124e95ddd8ee1

          SHA256

          294b8b4d6e8185e3365b83552186ff8248ffdcfb9c3325d3efbcb7f0cb4f92cd

          SHA512

          049899d276c8f6829f257f6994bf6e1a2dcea8e9538791e2081de6e291df6eaf011849384c688ce215402e495b9f64184d9bcfd430ca3da60c58e604f0dd49c4

        • 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/8-154-0x0000000000400000-0x0000000000AE5000-memory.dmp

          Filesize

          6.9MB

        • memory/8-153-0x0000000000BB0000-0x0000000000BCF000-memory.dmp

          Filesize

          124KB

        • memory/3600-138-0x0000000000000000-mapping.dmp

        • memory/3972-147-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

          Filesize

          124KB

        • memory/3972-148-0x0000000000400000-0x0000000000AE5000-memory.dmp

          Filesize

          6.9MB

        • memory/4736-149-0x0000000000000000-mapping.dmp

        • memory/4840-145-0x0000000000400000-0x0000000000AE5000-memory.dmp

          Filesize

          6.9MB

        • memory/4840-141-0x0000000000400000-0x0000000000AE5000-memory.dmp

          Filesize

          6.9MB

        • memory/4840-144-0x0000000000D5C000-0x0000000000D7B000-memory.dmp

          Filesize

          124KB

        • memory/4840-139-0x0000000000D5C000-0x0000000000D7B000-memory.dmp

          Filesize

          124KB

        • memory/4840-140-0x0000000002620000-0x000000000265E000-memory.dmp

          Filesize

          248KB

        • memory/4840-135-0x0000000000000000-mapping.dmp

        • memory/4912-142-0x0000000000BED000-0x0000000000C0C000-memory.dmp

          Filesize

          124KB

        • memory/4912-132-0x0000000000BED000-0x0000000000C0C000-memory.dmp

          Filesize

          124KB

        • memory/4912-143-0x0000000000400000-0x0000000000AE5000-memory.dmp

          Filesize

          6.9MB

        • memory/4912-134-0x0000000000400000-0x0000000000AE5000-memory.dmp

          Filesize

          6.9MB

        • memory/4912-133-0x0000000002830000-0x000000000286E000-memory.dmp

          Filesize

          248KB