Analysis

  • max time kernel
    131s
  • max time network
    162s
  • 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 5 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 3 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 63 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:3948
    • 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:4780
    • 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:1616
      • 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:4544
      • C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe
        "C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:1068
      • 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:4924
        • 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:4168
          • 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:1348
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          3⤵
            PID:5020
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:4568
          • 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:1328
            • 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:3832
              • 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:1272
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2148
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
              • Executes dropped EXE
              PID:1652
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
              2⤵
                PID:3320
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                2⤵
                  PID:1656
                • 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⤵
                    PID:4040

                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

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

                  Filesize

                  549KB

                  MD5

                  af7ee9681029aa4407f0bb51016b55b5

                  SHA1

                  1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

                  SHA256

                  7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

                  SHA512

                  bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

                • memory/1068-64-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1068-63-0x0000000000CD0000-0x0000000000CE8000-memory.dmp

                  Filesize

                  96KB

                • memory/1068-70-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1068-68-0x0000000002F50000-0x0000000002F60000-memory.dmp

                  Filesize

                  64KB

                • memory/1068-71-0x0000000002F50000-0x0000000002F60000-memory.dmp

                  Filesize

                  64KB

                • memory/1616-46-0x00000000054F0000-0x0000000005548000-memory.dmp

                  Filesize

                  352KB

                • memory/1616-23-0x0000000000210000-0x00000000002A0000-memory.dmp

                  Filesize

                  576KB

                • memory/1616-25-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1616-62-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1616-31-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1652-79-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2148-76-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2148-74-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3948-3-0x0000000005700000-0x0000000005710000-memory.dmp

                  Filesize

                  64KB

                • memory/3948-4-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3948-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

                  Filesize

                  5.6MB

                • memory/3948-0-0x0000000000C50000-0x0000000000D4E000-memory.dmp

                  Filesize

                  1016KB

                • memory/3948-6-0x0000000005980000-0x0000000005A62000-memory.dmp

                  Filesize

                  904KB

                • memory/3948-1-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3948-26-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3948-5-0x0000000005700000-0x0000000005710000-memory.dmp

                  Filesize

                  64KB

                • memory/4544-47-0x0000000000400000-0x0000000000424000-memory.dmp

                  Filesize

                  144KB

                • memory/4544-50-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4544-69-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4780-33-0x00000000066C0000-0x0000000006882000-memory.dmp

                  Filesize

                  1.8MB

                • memory/4780-8-0x00000000003D0000-0x0000000000400000-memory.dmp

                  Filesize

                  192KB

                • memory/4780-9-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4780-11-0x0000000004D10000-0x0000000004D20000-memory.dmp

                  Filesize

                  64KB

                • memory/4780-45-0x0000000006640000-0x000000000664A000-memory.dmp

                  Filesize

                  40KB

                • memory/4780-44-0x0000000006930000-0x00000000069C2000-memory.dmp

                  Filesize

                  584KB

                • memory/4780-43-0x0000000006590000-0x000000000662C000-memory.dmp

                  Filesize

                  624KB

                • memory/4780-12-0x0000000004AC0000-0x0000000004B26000-memory.dmp

                  Filesize

                  408KB

                • memory/4780-32-0x00000000064A0000-0x00000000064F0000-memory.dmp

                  Filesize

                  320KB

                • memory/4780-30-0x0000000004D10000-0x0000000004D20000-memory.dmp

                  Filesize

                  64KB

                • memory/4780-29-0x0000000074F50000-0x0000000075700000-memory.dmp

                  Filesize

                  7.7MB