Analysis

  • max time kernel
    137s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-05-2022 07:47

General

  • Target

    90cc787870f37ff7bd617976d253b613eab4fcbe65fb31cf3890efeb6636d9d3.exe

  • Size

    302KB

  • MD5

    a359f00c1f48a7d4bb1eb05ad9a2fe3f

  • SHA1

    053733b31efcab28d6548a9edbf03e963b43b18c

  • SHA256

    90cc787870f37ff7bd617976d253b613eab4fcbe65fb31cf3890efeb6636d9d3

  • SHA512

    a2e3731c3e80e890e768a18fc8ca4a9c40b1486b4f1729b32d36df7870885c5da36942f1c0a0c3c0187b8404d1c3fcab8a61e620bf3717e7fe9f7bcc343c6542

Score
10/10

Malware Config

Extracted

Family

amadey

Version

3.05

C2

wecrack.su/fkwdoXScn2/index.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90cc787870f37ff7bd617976d253b613eab4fcbe65fb31cf3890efeb6636d9d3.exe
    "C:\Users\Admin\AppData\Local\Temp\90cc787870f37ff7bd617976d253b613eab4fcbe65fb31cf3890efeb6636d9d3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
      "C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4408
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\
          4⤵
            PID:3344
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN ftewk.exe /TR "C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe" /F
          3⤵
          • Creates scheduled task(s)
          PID:4292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 1252
        2⤵
        • Program crash
        PID:2860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1940 -ip 1940
      1⤵
        PID:1512
      • C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
        C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
        1⤵
        • Executes dropped EXE
        PID:2072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 488
          2⤵
          • Program crash
          PID:3696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2072 -ip 2072
        1⤵
          PID:5088
        • C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
          C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
          1⤵
          • Executes dropped EXE
          PID:3068
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 488
            2⤵
            • Program crash
            PID:1920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3068 -ip 3068
          1⤵
            PID:2424

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scheduled Task

          1
          T1053

          Persistence

          Scheduled Task

          1
          T1053

          Privilege Escalation

          Scheduled Task

          1
          T1053

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
            Filesize

            302KB

            MD5

            a359f00c1f48a7d4bb1eb05ad9a2fe3f

            SHA1

            053733b31efcab28d6548a9edbf03e963b43b18c

            SHA256

            90cc787870f37ff7bd617976d253b613eab4fcbe65fb31cf3890efeb6636d9d3

            SHA512

            a2e3731c3e80e890e768a18fc8ca4a9c40b1486b4f1729b32d36df7870885c5da36942f1c0a0c3c0187b8404d1c3fcab8a61e620bf3717e7fe9f7bcc343c6542

          • C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
            Filesize

            302KB

            MD5

            a359f00c1f48a7d4bb1eb05ad9a2fe3f

            SHA1

            053733b31efcab28d6548a9edbf03e963b43b18c

            SHA256

            90cc787870f37ff7bd617976d253b613eab4fcbe65fb31cf3890efeb6636d9d3

            SHA512

            a2e3731c3e80e890e768a18fc8ca4a9c40b1486b4f1729b32d36df7870885c5da36942f1c0a0c3c0187b8404d1c3fcab8a61e620bf3717e7fe9f7bcc343c6542

          • C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
            Filesize

            302KB

            MD5

            a359f00c1f48a7d4bb1eb05ad9a2fe3f

            SHA1

            053733b31efcab28d6548a9edbf03e963b43b18c

            SHA256

            90cc787870f37ff7bd617976d253b613eab4fcbe65fb31cf3890efeb6636d9d3

            SHA512

            a2e3731c3e80e890e768a18fc8ca4a9c40b1486b4f1729b32d36df7870885c5da36942f1c0a0c3c0187b8404d1c3fcab8a61e620bf3717e7fe9f7bcc343c6542

          • C:\Users\Admin\AppData\Local\Temp\4056a6ad6e\ftewk.exe
            Filesize

            302KB

            MD5

            a359f00c1f48a7d4bb1eb05ad9a2fe3f

            SHA1

            053733b31efcab28d6548a9edbf03e963b43b18c

            SHA256

            90cc787870f37ff7bd617976d253b613eab4fcbe65fb31cf3890efeb6636d9d3

            SHA512

            a2e3731c3e80e890e768a18fc8ca4a9c40b1486b4f1729b32d36df7870885c5da36942f1c0a0c3c0187b8404d1c3fcab8a61e620bf3717e7fe9f7bcc343c6542

          • memory/764-136-0x00000000022E0000-0x0000000002318000-memory.dmp
            Filesize

            224KB

          • memory/764-133-0x0000000000000000-mapping.dmp
          • memory/764-137-0x0000000000400000-0x0000000000664000-memory.dmp
            Filesize

            2.4MB

          • memory/1940-130-0x0000000000800000-0x000000000081D000-memory.dmp
            Filesize

            116KB

          • memory/1940-132-0x0000000000400000-0x0000000000664000-memory.dmp
            Filesize

            2.4MB

          • memory/1940-131-0x00000000023E0000-0x0000000002418000-memory.dmp
            Filesize

            224KB

          • memory/2072-142-0x0000000000400000-0x0000000000664000-memory.dmp
            Filesize

            2.4MB

          • memory/3068-144-0x0000000000400000-0x0000000000664000-memory.dmp
            Filesize

            2.4MB

          • memory/3344-140-0x0000000000000000-mapping.dmp
          • memory/4292-139-0x0000000000000000-mapping.dmp
          • memory/4408-138-0x0000000000000000-mapping.dmp