Analysis

  • max time kernel
    83s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2023 13:51

General

  • Target

    docyo20230926.exe

  • Size

    990KB

  • MD5

    98de1e7dc7330e5737dc6faeaac764b5

  • SHA1

    972c23bafca55c88f9300165d9cdfd27bfb530ef

  • SHA256

    65a1ad88ce43b266d8efac2fd115bacc6dc29c312c4e49ea1076e8dcb8ecc50f

  • SHA512

    83b663099b9856afca37e94af6c6c9e72225127faeaab44a0ba8a9eda96bfab1364b73cd6f8fd485d5d3674e75c910c7678321433e451aa8dd9c3815232f6a66

  • SSDEEP

    12288:l1Fnywh30QCkwigVF3q5wzc9ImjzJ+Mw84KHVcXEyqYyetMonElf5nDE32dAn1nB:tnyIMP/Zc9IlMhVe4YYonEltDNq1

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.product-secured.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2V8SHFwjad34@@##

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe
    "C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe
      "C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1588
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3272
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:760
      • C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe
        "C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:2260
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
        3⤵
          PID:4476
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4692
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            4⤵
            • Creates scheduled task(s)
            PID:4248
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          3⤵
            PID:1096
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2552
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docyo20230926.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:3444
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3192
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                3⤵
                • Creates scheduled task(s)
                PID:2568
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Executes dropped EXE
            PID:3996
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
                PID:2756
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                2⤵
                  PID:3504

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe

                Filesize

                76KB

                MD5

                6741d00c206f685140fd9cd0957aaaa8

                SHA1

                8e2da1453a6001aef807661db6940b1703846890

                SHA256

                8c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a

                SHA512

                9ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527

              • C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe

                Filesize

                76KB

                MD5

                6741d00c206f685140fd9cd0957aaaa8

                SHA1

                8e2da1453a6001aef807661db6940b1703846890

                SHA256

                8c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a

                SHA512

                9ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527

              • C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe

                Filesize

                76KB

                MD5

                6741d00c206f685140fd9cd0957aaaa8

                SHA1

                8e2da1453a6001aef807661db6940b1703846890

                SHA256

                8c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a

                SHA512

                9ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527

              • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                Filesize

                549KB

                MD5

                af7ee9681029aa4407f0bb51016b55b5

                SHA1

                1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

                SHA256

                7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

                SHA512

                bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

              • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                Filesize

                549KB

                MD5

                af7ee9681029aa4407f0bb51016b55b5

                SHA1

                1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

                SHA256

                7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

                SHA512

                bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

              • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                Filesize

                549KB

                MD5

                af7ee9681029aa4407f0bb51016b55b5

                SHA1

                1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

                SHA256

                7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

                SHA512

                bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

              • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                Filesize

                549KB

                MD5

                af7ee9681029aa4407f0bb51016b55b5

                SHA1

                1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

                SHA256

                7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

                SHA512

                bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                990KB

                MD5

                98de1e7dc7330e5737dc6faeaac764b5

                SHA1

                972c23bafca55c88f9300165d9cdfd27bfb530ef

                SHA256

                65a1ad88ce43b266d8efac2fd115bacc6dc29c312c4e49ea1076e8dcb8ecc50f

                SHA512

                83b663099b9856afca37e94af6c6c9e72225127faeaab44a0ba8a9eda96bfab1364b73cd6f8fd485d5d3674e75c910c7678321433e451aa8dd9c3815232f6a66

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                990KB

                MD5

                98de1e7dc7330e5737dc6faeaac764b5

                SHA1

                972c23bafca55c88f9300165d9cdfd27bfb530ef

                SHA256

                65a1ad88ce43b266d8efac2fd115bacc6dc29c312c4e49ea1076e8dcb8ecc50f

                SHA512

                83b663099b9856afca37e94af6c6c9e72225127faeaab44a0ba8a9eda96bfab1364b73cd6f8fd485d5d3674e75c910c7678321433e451aa8dd9c3815232f6a66

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                159KB

                MD5

                6ad6f82f51f699885998caf865da2a7b

                SHA1

                501be96ba9ff5e84ee97b8e9fa4306f0cd78fa56

                SHA256

                21009e652a7fefacaa4bb3d020ad3c5241b5580775b5d1c0370201706217ffe0

                SHA512

                b2fa392892a8829e191528810b00d9235eb059d3a40c17c093f12edf34e5f583c3ecee93a17c00e6baf703dcfe00be514d4253cc928ba0ff71856e5146aea7d4

              • memory/760-71-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/760-54-0x0000000000620000-0x0000000000644000-memory.dmp

                Filesize

                144KB

              • memory/760-55-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/1588-43-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/1588-41-0x0000000006760000-0x00000000067F2000-memory.dmp

                Filesize

                584KB

              • memory/1588-44-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

                Filesize

                64KB

              • memory/1588-8-0x0000000000540000-0x0000000000570000-memory.dmp

                Filesize

                192KB

              • memory/1588-29-0x00000000062D0000-0x0000000006320000-memory.dmp

                Filesize

                320KB

              • memory/1588-30-0x00000000064F0000-0x00000000066B2000-memory.dmp

                Filesize

                1.8MB

              • memory/1588-40-0x00000000063C0000-0x000000000645C000-memory.dmp

                Filesize

                624KB

              • memory/1588-11-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

                Filesize

                64KB

              • memory/1588-42-0x00000000064D0000-0x00000000064DA000-memory.dmp

                Filesize

                40KB

              • memory/1588-10-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/1588-12-0x0000000004B30000-0x0000000004B96000-memory.dmp

                Filesize

                408KB

              • memory/2260-67-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/2260-73-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

                Filesize

                64KB

              • memory/2260-70-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

                Filesize

                64KB

              • memory/2260-72-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/2260-68-0x0000000000170000-0x0000000000188000-memory.dmp

                Filesize

                96KB

              • memory/3272-24-0x0000000000820000-0x00000000008B0000-memory.dmp

                Filesize

                576KB

              • memory/3272-50-0x0000000005AF0000-0x0000000005B48000-memory.dmp

                Filesize

                352KB

              • memory/3272-45-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/3272-25-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/3272-69-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/3996-49-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/3996-48-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/4752-6-0x0000000005570000-0x0000000005652000-memory.dmp

                Filesize

                904KB

              • memory/4752-26-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/4752-1-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/4752-4-0x0000000074F20000-0x00000000756D0000-memory.dmp

                Filesize

                7.7MB

              • memory/4752-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

                Filesize

                5.6MB

              • memory/4752-0-0x0000000000820000-0x000000000091E000-memory.dmp

                Filesize

                1016KB

              • memory/4752-3-0x0000000005360000-0x0000000005370000-memory.dmp

                Filesize

                64KB

              • memory/4752-5-0x0000000005360000-0x0000000005370000-memory.dmp

                Filesize

                64KB