Analysis

  • max time kernel
    107s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 08:12

General

  • Target

    file.exe

  • Size

    318KB

  • MD5

    1c16b629ec5d48e48e920a0644caa990

  • SHA1

    8bc931629416972eaada63b98f4ba7ff2d23aa87

  • SHA256

    b33710748d6656a3e2874da6fe3c8cee77b9af94d7b4bf60e9f2931fb31b84b0

  • SHA512

    5f12a8afdffe9ad7af46a5475bc67100462f0f8a3fcdd04ed04c8b9f1b379ef41b540e040fa6b34f8acdf2386cf8e26dc893c05bb628abf9a0f93beab9bcb43f

  • SSDEEP

    6144:ktigPxTPDvMe5F4KPoRaGvcaFZpip4yOkEtycUkHhSfbr5:kXJTPDL5aRLvxvpQ4VBH0fbr

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:4104
    • 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:1480
      • 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:2916
      • 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:3784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1136
      2⤵
      • Program crash
      PID:3884
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4104 -ip 4104
    1⤵
      PID:1892
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:1056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 436
        2⤵
        • Program crash
        PID:2924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1056 -ip 1056
      1⤵
        PID:1976
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:4744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 440
          2⤵
          • Program crash
          PID:1392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4744 -ip 4744
        1⤵
          PID:612

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          318KB

          MD5

          1c16b629ec5d48e48e920a0644caa990

          SHA1

          8bc931629416972eaada63b98f4ba7ff2d23aa87

          SHA256

          b33710748d6656a3e2874da6fe3c8cee77b9af94d7b4bf60e9f2931fb31b84b0

          SHA512

          5f12a8afdffe9ad7af46a5475bc67100462f0f8a3fcdd04ed04c8b9f1b379ef41b540e040fa6b34f8acdf2386cf8e26dc893c05bb628abf9a0f93beab9bcb43f

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

          Filesize

          318KB

          MD5

          1c16b629ec5d48e48e920a0644caa990

          SHA1

          8bc931629416972eaada63b98f4ba7ff2d23aa87

          SHA256

          b33710748d6656a3e2874da6fe3c8cee77b9af94d7b4bf60e9f2931fb31b84b0

          SHA512

          5f12a8afdffe9ad7af46a5475bc67100462f0f8a3fcdd04ed04c8b9f1b379ef41b540e040fa6b34f8acdf2386cf8e26dc893c05bb628abf9a0f93beab9bcb43f

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

          Filesize

          318KB

          MD5

          1c16b629ec5d48e48e920a0644caa990

          SHA1

          8bc931629416972eaada63b98f4ba7ff2d23aa87

          SHA256

          b33710748d6656a3e2874da6fe3c8cee77b9af94d7b4bf60e9f2931fb31b84b0

          SHA512

          5f12a8afdffe9ad7af46a5475bc67100462f0f8a3fcdd04ed04c8b9f1b379ef41b540e040fa6b34f8acdf2386cf8e26dc893c05bb628abf9a0f93beab9bcb43f

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

          Filesize

          318KB

          MD5

          1c16b629ec5d48e48e920a0644caa990

          SHA1

          8bc931629416972eaada63b98f4ba7ff2d23aa87

          SHA256

          b33710748d6656a3e2874da6fe3c8cee77b9af94d7b4bf60e9f2931fb31b84b0

          SHA512

          5f12a8afdffe9ad7af46a5475bc67100462f0f8a3fcdd04ed04c8b9f1b379ef41b540e040fa6b34f8acdf2386cf8e26dc893c05bb628abf9a0f93beab9bcb43f

        • 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/1056-150-0x0000000000400000-0x0000000000456000-memory.dmp

          Filesize

          344KB

        • memory/1056-149-0x00000000006E3000-0x0000000000702000-memory.dmp

          Filesize

          124KB

        • memory/1480-138-0x0000000000000000-mapping.dmp

        • memory/1480-142-0x00000000006CF000-0x00000000006EE000-memory.dmp

          Filesize

          124KB

        • memory/1480-143-0x0000000000400000-0x0000000000456000-memory.dmp

          Filesize

          344KB

        • memory/1480-144-0x00000000006CF000-0x00000000006EE000-memory.dmp

          Filesize

          124KB

        • memory/1480-145-0x0000000000400000-0x0000000000456000-memory.dmp

          Filesize

          344KB

        • memory/2916-141-0x0000000000000000-mapping.dmp

        • memory/3784-151-0x0000000000000000-mapping.dmp

        • memory/4104-137-0x0000000000400000-0x0000000000456000-memory.dmp

          Filesize

          344KB

        • memory/4104-132-0x00000000007BF000-0x00000000007DE000-memory.dmp

          Filesize

          124KB

        • memory/4104-147-0x0000000000400000-0x0000000000456000-memory.dmp

          Filesize

          344KB

        • memory/4104-136-0x00000000005C0000-0x00000000005FE000-memory.dmp

          Filesize

          248KB

        • memory/4104-146-0x00000000007BF000-0x00000000007DE000-memory.dmp

          Filesize

          124KB

        • memory/4104-135-0x00000000007BF000-0x00000000007DE000-memory.dmp

          Filesize

          124KB

        • memory/4104-134-0x0000000000400000-0x0000000000456000-memory.dmp

          Filesize

          344KB

        • memory/4104-133-0x00000000005C0000-0x00000000005FE000-memory.dmp

          Filesize

          248KB

        • memory/4744-155-0x0000000000663000-0x0000000000682000-memory.dmp

          Filesize

          124KB

        • memory/4744-156-0x0000000000400000-0x0000000000456000-memory.dmp

          Filesize

          344KB