Analysis

  • max time kernel
    167s
  • max time network
    217s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 03:06

General

  • Target

    file.exe

  • Size

    206KB

  • MD5

    5483c6f7dc6d104b753f4d8f91eab464

  • SHA1

    e16711422e1afb1492c1ca2021eef4a4e6309131

  • SHA256

    4d96a5e592858c4ceb75633e43d11d956b39f8a2ab6bb8d3c9318f0d2615a927

  • SHA512

    2f5d3ea78538db8d5b8a2c0af4b35bc58bc7ffb8f46f3b48e17b9284fb4f59af90be2c5da148a345ad4559a3fd38471ab75ba78fd0ef0e5f349cecb6082afa4c

  • SSDEEP

    3072:P0JgBhCMgY+0k65SsvHGG3Xg1SK18XyMwLIdQQBSFJMUHl06U/L+TtiA4/3NV9Q:PhSMB+cvHnHgQG8CMwLIeFJjW6IyYAo

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:2896
    • 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:3856
      • 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:2872
      • 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:3640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 1140
      2⤵
      • Program crash
      PID:1364
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2896 -ip 2896
    1⤵
      PID:1252
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:2504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 416
        2⤵
        • Program crash
        PID:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2504 -ip 2504
      1⤵
        PID:3836
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:1572
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 416
          2⤵
          • Program crash
          PID:4996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1572 -ip 1572
        1⤵
          PID:4980

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          206KB

          MD5

          5483c6f7dc6d104b753f4d8f91eab464

          SHA1

          e16711422e1afb1492c1ca2021eef4a4e6309131

          SHA256

          4d96a5e592858c4ceb75633e43d11d956b39f8a2ab6bb8d3c9318f0d2615a927

          SHA512

          2f5d3ea78538db8d5b8a2c0af4b35bc58bc7ffb8f46f3b48e17b9284fb4f59af90be2c5da148a345ad4559a3fd38471ab75ba78fd0ef0e5f349cecb6082afa4c

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

          206KB

          MD5

          5483c6f7dc6d104b753f4d8f91eab464

          SHA1

          e16711422e1afb1492c1ca2021eef4a4e6309131

          SHA256

          4d96a5e592858c4ceb75633e43d11d956b39f8a2ab6bb8d3c9318f0d2615a927

          SHA512

          2f5d3ea78538db8d5b8a2c0af4b35bc58bc7ffb8f46f3b48e17b9284fb4f59af90be2c5da148a345ad4559a3fd38471ab75ba78fd0ef0e5f349cecb6082afa4c

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

          206KB

          MD5

          5483c6f7dc6d104b753f4d8f91eab464

          SHA1

          e16711422e1afb1492c1ca2021eef4a4e6309131

          SHA256

          4d96a5e592858c4ceb75633e43d11d956b39f8a2ab6bb8d3c9318f0d2615a927

          SHA512

          2f5d3ea78538db8d5b8a2c0af4b35bc58bc7ffb8f46f3b48e17b9284fb4f59af90be2c5da148a345ad4559a3fd38471ab75ba78fd0ef0e5f349cecb6082afa4c

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

          206KB

          MD5

          5483c6f7dc6d104b753f4d8f91eab464

          SHA1

          e16711422e1afb1492c1ca2021eef4a4e6309131

          SHA256

          4d96a5e592858c4ceb75633e43d11d956b39f8a2ab6bb8d3c9318f0d2615a927

          SHA512

          2f5d3ea78538db8d5b8a2c0af4b35bc58bc7ffb8f46f3b48e17b9284fb4f59af90be2c5da148a345ad4559a3fd38471ab75ba78fd0ef0e5f349cecb6082afa4c

        • 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/1572-157-0x0000000000BC0000-0x0000000000CC0000-memory.dmp
          Filesize

          1024KB

        • memory/1572-156-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/1572-155-0x0000000000BC0000-0x0000000000CC0000-memory.dmp
          Filesize

          1024KB

        • memory/2504-144-0x0000000000BD0000-0x0000000000BEF000-memory.dmp
          Filesize

          124KB

        • memory/2504-148-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/2504-149-0x0000000000BD0000-0x0000000000BEF000-memory.dmp
          Filesize

          124KB

        • memory/2504-145-0x0000000002630000-0x000000000266E000-memory.dmp
          Filesize

          248KB

        • memory/2872-139-0x0000000000000000-mapping.dmp
        • memory/2896-132-0x0000000000C1D000-0x0000000000C3C000-memory.dmp
          Filesize

          124KB

        • memory/2896-142-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/2896-135-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/2896-134-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/2896-133-0x0000000002820000-0x000000000285E000-memory.dmp
          Filesize

          248KB

        • memory/3640-150-0x0000000000000000-mapping.dmp
        • memory/3856-146-0x0000000000CFC000-0x0000000000D1B000-memory.dmp
          Filesize

          124KB

        • memory/3856-147-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/3856-141-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/3856-140-0x0000000000CFC000-0x0000000000D1B000-memory.dmp
          Filesize

          124KB

        • memory/3856-136-0x0000000000000000-mapping.dmp