Analysis

  • max time kernel
    192s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 16:14

General

  • Target

    a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706.exe

  • Size

    232KB

  • MD5

    ea073ac32c19188dd02a83a27bc73e0c

  • SHA1

    c7bcff3975cc93c7c9614a1c5862e2358e5cc6af

  • SHA256

    a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706

  • SHA512

    b5c69aedcd37fc7c51752525c11297b9e2182e0ed91c7331d1648eefe07f69d658287e342a07cdb97e0a3c72ba5b6bc4121e5c2e5ab264f897c3e672527d637a

  • SSDEEP

    3072:HXJTeSrCQhoctO5lhrZHDSQhaLwjXC7R//X1RH6KS97iJORn:HNOQhFyrhasDC1//lw7iJ

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 4 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 4 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\a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706.exe
    "C:\Users\Admin\AppData\Local\Temp\a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1876
    • 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:1212
      • 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:204
      • 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:3348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 1140
      2⤵
      • Program crash
      PID:4484
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1876 -ip 1876
    1⤵
      PID:5100
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:2164
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 416
        2⤵
        • Program crash
        PID:3540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2164 -ip 2164
      1⤵
        PID:4888
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:2216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 416
          2⤵
          • Program crash
          PID:3620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2216 -ip 2216
        1⤵
          PID:3960
        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          1⤵
          • Executes dropped EXE
          PID:4552
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 416
            2⤵
            • Program crash
            PID:3604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4552 -ip 4552
          1⤵
            PID:4468

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            232KB

            MD5

            ea073ac32c19188dd02a83a27bc73e0c

            SHA1

            c7bcff3975cc93c7c9614a1c5862e2358e5cc6af

            SHA256

            a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706

            SHA512

            b5c69aedcd37fc7c51752525c11297b9e2182e0ed91c7331d1648eefe07f69d658287e342a07cdb97e0a3c72ba5b6bc4121e5c2e5ab264f897c3e672527d637a

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

            Filesize

            232KB

            MD5

            ea073ac32c19188dd02a83a27bc73e0c

            SHA1

            c7bcff3975cc93c7c9614a1c5862e2358e5cc6af

            SHA256

            a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706

            SHA512

            b5c69aedcd37fc7c51752525c11297b9e2182e0ed91c7331d1648eefe07f69d658287e342a07cdb97e0a3c72ba5b6bc4121e5c2e5ab264f897c3e672527d637a

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

            Filesize

            232KB

            MD5

            ea073ac32c19188dd02a83a27bc73e0c

            SHA1

            c7bcff3975cc93c7c9614a1c5862e2358e5cc6af

            SHA256

            a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706

            SHA512

            b5c69aedcd37fc7c51752525c11297b9e2182e0ed91c7331d1648eefe07f69d658287e342a07cdb97e0a3c72ba5b6bc4121e5c2e5ab264f897c3e672527d637a

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

            Filesize

            232KB

            MD5

            ea073ac32c19188dd02a83a27bc73e0c

            SHA1

            c7bcff3975cc93c7c9614a1c5862e2358e5cc6af

            SHA256

            a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706

            SHA512

            b5c69aedcd37fc7c51752525c11297b9e2182e0ed91c7331d1648eefe07f69d658287e342a07cdb97e0a3c72ba5b6bc4121e5c2e5ab264f897c3e672527d637a

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

            Filesize

            232KB

            MD5

            ea073ac32c19188dd02a83a27bc73e0c

            SHA1

            c7bcff3975cc93c7c9614a1c5862e2358e5cc6af

            SHA256

            a619972b21cc1d617d9a0c0f8492e5db3e3b5b00e097aac9693ad4d5ed239706

            SHA512

            b5c69aedcd37fc7c51752525c11297b9e2182e0ed91c7331d1648eefe07f69d658287e342a07cdb97e0a3c72ba5b6bc4121e5c2e5ab264f897c3e672527d637a

          • 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/204-140-0x0000000000000000-mapping.dmp

          • memory/1212-142-0x0000000000400000-0x000000000071C000-memory.dmp

            Filesize

            3.1MB

          • memory/1212-141-0x000000000077C000-0x000000000079B000-memory.dmp

            Filesize

            124KB

          • memory/1212-139-0x0000000000400000-0x000000000071C000-memory.dmp

            Filesize

            3.1MB

          • memory/1212-138-0x000000000077C000-0x000000000079B000-memory.dmp

            Filesize

            124KB

          • memory/1212-132-0x0000000000000000-mapping.dmp

          • memory/1876-137-0x0000000000400000-0x000000000071C000-memory.dmp

            Filesize

            3.1MB

          • memory/1876-136-0x00000000009B0000-0x00000000009EE000-memory.dmp

            Filesize

            248KB

          • memory/1876-135-0x0000000000A0E000-0x0000000000A2D000-memory.dmp

            Filesize

            124KB

          • memory/2164-145-0x0000000000400000-0x000000000071C000-memory.dmp

            Filesize

            3.1MB

          • memory/2164-144-0x0000000000890000-0x00000000008AF000-memory.dmp

            Filesize

            124KB

          • memory/2216-148-0x0000000000A40000-0x0000000000A5F000-memory.dmp

            Filesize

            124KB

          • memory/2216-149-0x0000000000400000-0x000000000071C000-memory.dmp

            Filesize

            3.1MB

          • memory/3348-146-0x0000000000000000-mapping.dmp

          • memory/4552-153-0x0000000000741000-0x0000000000760000-memory.dmp

            Filesize

            124KB

          • memory/4552-154-0x0000000000400000-0x000000000071C000-memory.dmp

            Filesize

            3.1MB