Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 14:28

General

  • Target

    docyo20230926.exe

  • Size

    990KB

  • MD5

    98de1e7dc7330e5737dc6faeaac764b5

  • SHA1

    972c23bafca55c88f9300165d9cdfd27bfb530ef

  • SHA256

    65a1ad88ce43b266d8efac2fd115bacc6dc29c312c4e49ea1076e8dcb8ecc50f

  • SHA512

    83b663099b9856afca37e94af6c6c9e72225127faeaab44a0ba8a9eda96bfab1364b73cd6f8fd485d5d3674e75c910c7678321433e451aa8dd9c3815232f6a66

  • SSDEEP

    12288:l1Fnywh30QCkwigVF3q5wzc9ImjzJ+Mw84KHVcXEyqYyetMonElf5nDE32dAn1nB:tnyIMP/Zc9IlMhVe4YYonEltDNq1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.product-secured.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2V8SHFwjad34@@##

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 2 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:5112
    • 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:1504
    • 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:2296
      • 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
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3160
      • C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe
        "C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:216
      • 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:2844
        • 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:1012
          • 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:3812
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          3⤵
            PID:4264
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:4220
          • 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:3584
            • 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:1764
              • 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:4712
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Executes dropped EXE
            PID:4732

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log

            Filesize

            520B

            MD5

            03febbff58da1d3318c31657d89c8542

            SHA1

            c9e017bd9d0a4fe533795b227c855935d86c2092

            SHA256

            5164770a37b199a79ccd23b399bb3309228973d9f74c589bc2623dc613b37ac4

            SHA512

            3750c372bbca1892e9c1b34681d592c693e725a8b149c3d6938079cd467628cec42c4293b0d886b57a786abf45f5e7229247b3445001774e3e793ff5a3accfa3

          • 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

            549KB

            MD5

            af7ee9681029aa4407f0bb51016b55b5

            SHA1

            1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

            SHA256

            7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

            SHA512

            bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

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

            Filesize

            549KB

            MD5

            af7ee9681029aa4407f0bb51016b55b5

            SHA1

            1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

            SHA256

            7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

            SHA512

            bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

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

            Filesize

            549KB

            MD5

            af7ee9681029aa4407f0bb51016b55b5

            SHA1

            1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

            SHA256

            7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

            SHA512

            bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

          • memory/216-61-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/216-66-0x0000000002890000-0x00000000028A0000-memory.dmp

            Filesize

            64KB

          • memory/216-60-0x0000000000630000-0x0000000000648000-memory.dmp

            Filesize

            96KB

          • memory/216-70-0x0000000002890000-0x00000000028A0000-memory.dmp

            Filesize

            64KB

          • memory/216-69-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/1504-29-0x0000000007190000-0x0000000007352000-memory.dmp

            Filesize

            1.8MB

          • memory/1504-28-0x0000000006F70000-0x0000000006FC0000-memory.dmp

            Filesize

            320KB

          • memory/1504-9-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/1504-39-0x0000000007060000-0x00000000070FC000-memory.dmp

            Filesize

            624KB

          • memory/1504-40-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/1504-41-0x0000000007360000-0x00000000073F2000-memory.dmp

            Filesize

            584KB

          • memory/1504-42-0x0000000005810000-0x0000000005820000-memory.dmp

            Filesize

            64KB

          • memory/1504-43-0x0000000007050000-0x000000000705A000-memory.dmp

            Filesize

            40KB

          • memory/1504-11-0x0000000005700000-0x0000000005766000-memory.dmp

            Filesize

            408KB

          • memory/1504-10-0x0000000005810000-0x0000000005820000-memory.dmp

            Filesize

            64KB

          • memory/1504-7-0x0000000000400000-0x0000000000430000-memory.dmp

            Filesize

            192KB

          • memory/2296-67-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/2296-45-0x0000000005A00000-0x0000000005A58000-memory.dmp

            Filesize

            352KB

          • memory/2296-23-0x0000000000710000-0x00000000007A0000-memory.dmp

            Filesize

            576KB

          • memory/2296-24-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/2296-44-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/3160-49-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/3160-46-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3160-68-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/4732-73-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/5112-25-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/5112-4-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/5112-0-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/5112-5-0x0000000005030000-0x0000000005040000-memory.dmp

            Filesize

            64KB

          • memory/5112-3-0x0000000005030000-0x0000000005040000-memory.dmp

            Filesize

            64KB

          • memory/5112-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

            Filesize

            5.6MB

          • memory/5112-6-0x00000000051F0000-0x00000000052D2000-memory.dmp

            Filesize

            904KB

          • memory/5112-1-0x00000000005F0000-0x00000000006EE000-memory.dmp

            Filesize

            1016KB