Analysis

  • max time kernel
    171s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-05-2022 13:46

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
  • 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 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:4556
    • 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:3484
      • 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:536
        • 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:2276
        • 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:1880
        • 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:1720
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 1240
        2⤵
        • Program crash
        PID:2420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4556 -ip 4556
      1⤵
        PID:3764
      • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
        C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
        1⤵
        • Executes dropped EXE
        PID:3308
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 492
          2⤵
          • Program crash
          PID:3568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3308 -ip 3308
        1⤵
          PID:860
        • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
          1⤵
          • Executes dropped EXE
          PID:1876
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 496
            2⤵
            • Program crash
            PID:1268
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1876 -ip 1876
          1⤵
            PID:940
          • C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
            C:\Users\Admin\AppData\Local\Temp\e014321378\ftewk.exe
            1⤵
            • Executes dropped EXE
            PID:2224
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 496
              2⤵
              • Program crash
              PID:3512
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 2224 -ip 2224
            1⤵
              PID:796

            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\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/536-136-0x0000000000000000-mapping.dmp
            • memory/1720-145-0x0000000000000000-mapping.dmp
            • memory/1876-150-0x0000000000400000-0x0000000000491000-memory.dmp
              Filesize

              580KB

            • memory/1876-149-0x00000000006B1000-0x00000000006CF000-memory.dmp
              Filesize

              120KB

            • memory/1880-140-0x0000000000000000-mapping.dmp
            • memory/2224-153-0x0000000000400000-0x0000000000491000-memory.dmp
              Filesize

              580KB

            • memory/2224-152-0x0000000000681000-0x000000000069F000-memory.dmp
              Filesize

              120KB

            • memory/2276-141-0x0000000000000000-mapping.dmp
            • memory/3308-144-0x0000000000400000-0x0000000000491000-memory.dmp
              Filesize

              580KB

            • memory/3308-143-0x00000000005F1000-0x000000000060F000-memory.dmp
              Filesize

              120KB

            • memory/3484-133-0x0000000000000000-mapping.dmp
            • memory/3484-139-0x0000000000400000-0x0000000000491000-memory.dmp
              Filesize

              580KB

            • memory/3484-138-0x0000000001F90000-0x0000000001FC8000-memory.dmp
              Filesize

              224KB

            • memory/3484-137-0x00000000004CC000-0x00000000004EA000-memory.dmp
              Filesize

              120KB

            • memory/4556-130-0x000000000063E000-0x000000000065C000-memory.dmp
              Filesize

              120KB

            • memory/4556-131-0x00000000021D0000-0x0000000002208000-memory.dmp
              Filesize

              224KB

            • memory/4556-132-0x0000000000400000-0x0000000000491000-memory.dmp
              Filesize

              580KB