Analysis

  • max time kernel
    152s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 18:27

General

  • Target

    27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508.exe

  • Size

    247KB

  • MD5

    47fda80c9b229f2dff4a8ee998ff0cdd

  • SHA1

    b33f66efb6503e11bcfc9abf99e3e16ba10adc14

  • SHA256

    27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508

  • SHA512

    2cdc3914e40ea68e4187b47b42bb099479c661244dd28bd3080b5d747351144809c7d2e23ac350ccd637ea9096b620f027ebe23d2a79bdf78678c5205730a495

  • SSDEEP

    3072:vsaNPBwDtcWpCh5KuVeYEemZb7MGdWWX8M90LOnTU60q7KlxbI/HfX:vskru8VeD9Zb7MG4UZH01bYv

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\27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508.exe
    "C:\Users\Admin\AppData\Local\Temp\27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4724
    • 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:376
      • 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:4904
      • 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:4612
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 880
      2⤵
      • Program crash
      PID:1352
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4724 -ip 4724
    1⤵
      PID:4120
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 416
        2⤵
        • Program crash
        PID:2804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 216 -ip 216
      1⤵
        PID:32
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:4628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 424
          2⤵
          • Program crash
          PID:1388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4628 -ip 4628
        1⤵
          PID:1744
        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          1⤵
          • Executes dropped EXE
          PID:4348
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 416
            2⤵
            • Program crash
            PID:3636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4348 -ip 4348
          1⤵
            PID:4928

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            247KB

            MD5

            47fda80c9b229f2dff4a8ee998ff0cdd

            SHA1

            b33f66efb6503e11bcfc9abf99e3e16ba10adc14

            SHA256

            27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508

            SHA512

            2cdc3914e40ea68e4187b47b42bb099479c661244dd28bd3080b5d747351144809c7d2e23ac350ccd637ea9096b620f027ebe23d2a79bdf78678c5205730a495

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

            Filesize

            247KB

            MD5

            47fda80c9b229f2dff4a8ee998ff0cdd

            SHA1

            b33f66efb6503e11bcfc9abf99e3e16ba10adc14

            SHA256

            27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508

            SHA512

            2cdc3914e40ea68e4187b47b42bb099479c661244dd28bd3080b5d747351144809c7d2e23ac350ccd637ea9096b620f027ebe23d2a79bdf78678c5205730a495

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

            Filesize

            247KB

            MD5

            47fda80c9b229f2dff4a8ee998ff0cdd

            SHA1

            b33f66efb6503e11bcfc9abf99e3e16ba10adc14

            SHA256

            27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508

            SHA512

            2cdc3914e40ea68e4187b47b42bb099479c661244dd28bd3080b5d747351144809c7d2e23ac350ccd637ea9096b620f027ebe23d2a79bdf78678c5205730a495

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

            Filesize

            247KB

            MD5

            47fda80c9b229f2dff4a8ee998ff0cdd

            SHA1

            b33f66efb6503e11bcfc9abf99e3e16ba10adc14

            SHA256

            27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508

            SHA512

            2cdc3914e40ea68e4187b47b42bb099479c661244dd28bd3080b5d747351144809c7d2e23ac350ccd637ea9096b620f027ebe23d2a79bdf78678c5205730a495

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

            Filesize

            247KB

            MD5

            47fda80c9b229f2dff4a8ee998ff0cdd

            SHA1

            b33f66efb6503e11bcfc9abf99e3e16ba10adc14

            SHA256

            27a3ea6c85bda6257175fd59e595d0e9610059c7f60d92e392a944e8ddc30508

            SHA512

            2cdc3914e40ea68e4187b47b42bb099479c661244dd28bd3080b5d747351144809c7d2e23ac350ccd637ea9096b620f027ebe23d2a79bdf78678c5205730a495

          • 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/216-145-0x0000000000400000-0x00000000005A3000-memory.dmp

            Filesize

            1.6MB

          • memory/216-144-0x000000000061C000-0x000000000063B000-memory.dmp

            Filesize

            124KB

          • memory/376-135-0x0000000000000000-mapping.dmp

          • memory/376-142-0x0000000000400000-0x00000000005A3000-memory.dmp

            Filesize

            1.6MB

          • memory/376-140-0x0000000000400000-0x00000000005A3000-memory.dmp

            Filesize

            1.6MB

          • memory/376-139-0x0000000000858000-0x0000000000877000-memory.dmp

            Filesize

            124KB

          • memory/4348-154-0x0000000000400000-0x00000000005A3000-memory.dmp

            Filesize

            1.6MB

          • memory/4348-153-0x000000000063C000-0x000000000065B000-memory.dmp

            Filesize

            124KB

          • memory/4612-146-0x0000000000000000-mapping.dmp

          • memory/4628-151-0x0000000000400000-0x00000000005A3000-memory.dmp

            Filesize

            1.6MB

          • memory/4628-150-0x00000000007BC000-0x00000000007DB000-memory.dmp

            Filesize

            124KB

          • memory/4724-134-0x0000000000400000-0x00000000005A3000-memory.dmp

            Filesize

            1.6MB

          • memory/4724-132-0x0000000000768000-0x0000000000787000-memory.dmp

            Filesize

            124KB

          • memory/4724-133-0x00000000022F0000-0x000000000232E000-memory.dmp

            Filesize

            248KB

          • memory/4724-141-0x0000000000400000-0x00000000005A3000-memory.dmp

            Filesize

            1.6MB

          • memory/4904-138-0x0000000000000000-mapping.dmp