Analysis

  • max time kernel
    105s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-05-2022 07:53

General

  • Target

    99f99978fec96a454a3c9e9f4e05d7c12dcc559d4a0f97a86828a2d324bee492.exe

  • Size

    312KB

  • MD5

    d5a042d15c800a5f811e993b95d64596

  • SHA1

    3ca2653f3ec0da78c094beaf3529fffc5784ef37

  • SHA256

    99f99978fec96a454a3c9e9f4e05d7c12dcc559d4a0f97a86828a2d324bee492

  • SHA512

    8c0f89be709beaac7b0584dc6f9021f4aff22291c59751b6a235b1a27f4145a860c0246df383d1135968fd0c810ff3b0bcaa74bcffb391540d549f7514cc8efd

Malware Config

Extracted

Family

amadey

Version

3.08

C2

185.215.113.35/d2VxjasuwS/index.php

Signatures

  • Amadey

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

  • suricata: ET MALWARE Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

  • 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 15 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99f99978fec96a454a3c9e9f4e05d7c12dcc559d4a0f97a86828a2d324bee492.exe
    "C:\Users\Admin\AppData\Local\Temp\99f99978fec96a454a3c9e9f4e05d7c12dcc559d4a0f97a86828a2d324bee492.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
      "C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4428
      • 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\e014321378\
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2644
        • 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\e014321378\
          4⤵
            PID:2760
        • 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\e014321378\ftewk.exe" /F
          3⤵
          • Creates scheduled task(s)
          PID:4612
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • outlook_win_path
          PID:3788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 872
        2⤵
        • Program crash
        PID:208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4564 -ip 4564
      1⤵
        PID:4120
      • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
        C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
        1⤵
        • Executes dropped EXE
        PID:1692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 488
          2⤵
          • Program crash
          PID:2540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1692 -ip 1692
        1⤵
          PID:1084
        • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          1⤵
          • Executes dropped EXE
          PID:2112
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 488
            2⤵
            • Program crash
            PID:4876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2112 -ip 2112
          1⤵
            PID:4744

          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\e014321378\ftewk.exe
            Filesize

            312KB

            MD5

            d5a042d15c800a5f811e993b95d64596

            SHA1

            3ca2653f3ec0da78c094beaf3529fffc5784ef37

            SHA256

            99f99978fec96a454a3c9e9f4e05d7c12dcc559d4a0f97a86828a2d324bee492

            SHA512

            8c0f89be709beaac7b0584dc6f9021f4aff22291c59751b6a235b1a27f4145a860c0246df383d1135968fd0c810ff3b0bcaa74bcffb391540d549f7514cc8efd

          • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
            Filesize

            312KB

            MD5

            d5a042d15c800a5f811e993b95d64596

            SHA1

            3ca2653f3ec0da78c094beaf3529fffc5784ef37

            SHA256

            99f99978fec96a454a3c9e9f4e05d7c12dcc559d4a0f97a86828a2d324bee492

            SHA512

            8c0f89be709beaac7b0584dc6f9021f4aff22291c59751b6a235b1a27f4145a860c0246df383d1135968fd0c810ff3b0bcaa74bcffb391540d549f7514cc8efd

          • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
            Filesize

            312KB

            MD5

            d5a042d15c800a5f811e993b95d64596

            SHA1

            3ca2653f3ec0da78c094beaf3529fffc5784ef37

            SHA256

            99f99978fec96a454a3c9e9f4e05d7c12dcc559d4a0f97a86828a2d324bee492

            SHA512

            8c0f89be709beaac7b0584dc6f9021f4aff22291c59751b6a235b1a27f4145a860c0246df383d1135968fd0c810ff3b0bcaa74bcffb391540d549f7514cc8efd

          • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
            Filesize

            312KB

            MD5

            d5a042d15c800a5f811e993b95d64596

            SHA1

            3ca2653f3ec0da78c094beaf3529fffc5784ef37

            SHA256

            99f99978fec96a454a3c9e9f4e05d7c12dcc559d4a0f97a86828a2d324bee492

            SHA512

            8c0f89be709beaac7b0584dc6f9021f4aff22291c59751b6a235b1a27f4145a860c0246df383d1135968fd0c810ff3b0bcaa74bcffb391540d549f7514cc8efd

          • C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dll
            Filesize

            126KB

            MD5

            d4ca12f7203548519be8455bd836274f

            SHA1

            7c8a18a80ba96c3944462f3a68e63b55da0e1bf4

            SHA256

            7bc6a9edc592553dcb9250d70816f511d43a998f95f4e0b2a347dc2b66f897c4

            SHA512

            e2cad4293dbb043c6d563710087e9769beeb130a80319c151e9d81d9c74b0b5017a23c3fec9cdc022b45491dc6aa6499e3898488dc9c8486e1df83e6da28e697

          • C:\Users\Admin\AppData\Roaming\9034267ed8b4ad\cred.dll
            Filesize

            126KB

            MD5

            d4ca12f7203548519be8455bd836274f

            SHA1

            7c8a18a80ba96c3944462f3a68e63b55da0e1bf4

            SHA256

            7bc6a9edc592553dcb9250d70816f511d43a998f95f4e0b2a347dc2b66f897c4

            SHA512

            e2cad4293dbb043c6d563710087e9769beeb130a80319c151e9d81d9c74b0b5017a23c3fec9cdc022b45491dc6aa6499e3898488dc9c8486e1df83e6da28e697

          • memory/1692-143-0x0000000000400000-0x0000000000491000-memory.dmp
            Filesize

            580KB

          • memory/1692-142-0x0000000000771000-0x000000000078F000-memory.dmp
            Filesize

            120KB

          • memory/2112-150-0x0000000000400000-0x0000000000491000-memory.dmp
            Filesize

            580KB

          • memory/2112-148-0x0000000000751000-0x000000000076F000-memory.dmp
            Filesize

            120KB

          • memory/2112-149-0x00000000006F0000-0x0000000000728000-memory.dmp
            Filesize

            224KB

          • memory/2644-136-0x0000000000000000-mapping.dmp
          • memory/2760-138-0x0000000000000000-mapping.dmp
          • memory/3788-144-0x0000000000000000-mapping.dmp
          • memory/4428-140-0x0000000000400000-0x0000000000491000-memory.dmp
            Filesize

            580KB

          • memory/4428-130-0x0000000000000000-mapping.dmp
          • memory/4428-139-0x000000000055C000-0x000000000057A000-memory.dmp
            Filesize

            120KB

          • memory/4564-135-0x0000000000400000-0x0000000000491000-memory.dmp
            Filesize

            580KB

          • memory/4564-134-0x0000000000660000-0x0000000000698000-memory.dmp
            Filesize

            224KB

          • memory/4564-133-0x000000000075E000-0x000000000077C000-memory.dmp
            Filesize

            120KB

          • memory/4612-137-0x0000000000000000-mapping.dmp