Analysis

  • max time kernel
    143s
  • max time network
    90s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2023 13:52

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:
    ftp
  • Host:
    ftp.product-secured.com
  • Port:
    21
  • 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 5 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 3 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 9 IoCs
  • Looks up external IP address via web service 4 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: SetClipboardViewer 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 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⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2240
    • 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:2560
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2208
      • 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
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe
        "C:\Users\Admin\AppData\Local\Temp\RedLineClipperStub.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:2480
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
        3⤵
          PID:872
        • 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:620
          • 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:1652
            • 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:2848
        • 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:2904
          • 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:2556
            • 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:1000
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            2⤵
              PID:2500
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {469FB854-A97C-4701-8BF1-8D155F0B9572} S-1-5-21-86725733-3001458681-3405935542-1000:ZWKQHIWB\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1620
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1832
              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                3⤵
                • Executes dropped EXE
                • Accesses Microsoft Outlook profiles
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: SetClipboardViewer
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                • outlook_office_path
                • outlook_win_path
                PID:3012
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                3⤵
                  PID:1060
                • 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⤵
                    PID:1936
                    • 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:968
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                    3⤵
                      PID:1052
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k netsvcs
                  1⤵
                    PID:2828
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k netsvcs
                    1⤵
                      PID:2448
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      1⤵
                        PID:1940

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      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\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

                        990KB

                        MD5

                        98de1e7dc7330e5737dc6faeaac764b5

                        SHA1

                        972c23bafca55c88f9300165d9cdfd27bfb530ef

                        SHA256

                        65a1ad88ce43b266d8efac2fd115bacc6dc29c312c4e49ea1076e8dcb8ecc50f

                        SHA512

                        83b663099b9856afca37e94af6c6c9e72225127faeaab44a0ba8a9eda96bfab1364b73cd6f8fd485d5d3674e75c910c7678321433e451aa8dd9c3815232f6a66

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

                        Filesize

                        76KB

                        MD5

                        6741d00c206f685140fd9cd0957aaaa8

                        SHA1

                        8e2da1453a6001aef807661db6940b1703846890

                        SHA256

                        8c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a

                        SHA512

                        9ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527

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

                        Filesize

                        549KB

                        MD5

                        af7ee9681029aa4407f0bb51016b55b5

                        SHA1

                        1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

                        SHA256

                        7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

                        SHA512

                        bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

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

                        Filesize

                        549KB

                        MD5

                        af7ee9681029aa4407f0bb51016b55b5

                        SHA1

                        1b8fb95b2d9ef80c56dbeedd95b4034a4da54b29

                        SHA256

                        7f3f6c57fd15b11e542bce5acfe2207abb78b2bdc321c3aba79ebe38355540d0

                        SHA512

                        bf9b25c39708107107fc089db99567e355cfb7d1e525ff0178eadcc23b1696c1110097444666d6bd19d324eaa250150bcf0499ecb5c0fd22906963e6e80b1dfa

                      • memory/1832-55-0x0000000000290000-0x00000000002D0000-memory.dmp

                        Filesize

                        256KB

                      • memory/1832-53-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/1832-112-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/1832-57-0x0000000000290000-0x00000000002D0000-memory.dmp

                        Filesize

                        256KB

                      • memory/1832-56-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/1832-54-0x0000000000FC0000-0x00000000010BE000-memory.dmp

                        Filesize

                        1016KB

                      • memory/1840-83-0x0000000004740000-0x0000000004780000-memory.dmp

                        Filesize

                        256KB

                      • memory/1840-80-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/1840-60-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/1840-113-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/1840-62-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/1840-63-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/1840-66-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/1840-71-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/1840-87-0x0000000004740000-0x0000000004780000-memory.dmp

                        Filesize

                        256KB

                      • memory/1840-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/1840-61-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/1840-73-0x0000000000400000-0x0000000000424000-memory.dmp

                        Filesize

                        144KB

                      • memory/1840-85-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2208-49-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2208-81-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2208-50-0x0000000000AE0000-0x0000000000B20000-memory.dmp

                        Filesize

                        256KB

                      • memory/2208-37-0x0000000000AE0000-0x0000000000B20000-memory.dmp

                        Filesize

                        256KB

                      • memory/2208-36-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2208-58-0x0000000000CF0000-0x0000000000D48000-memory.dmp

                        Filesize

                        352KB

                      • memory/2208-35-0x0000000000D50000-0x0000000000DE0000-memory.dmp

                        Filesize

                        576KB

                      • memory/2240-0-0x0000000000E20000-0x0000000000F1E000-memory.dmp

                        Filesize

                        1016KB

                      • memory/2240-4-0x00000000049E0000-0x0000000004A20000-memory.dmp

                        Filesize

                        256KB

                      • memory/2240-3-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2240-2-0x00000000049E0000-0x0000000004A20000-memory.dmp

                        Filesize

                        256KB

                      • memory/2240-1-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2240-38-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2240-5-0x00000000048F0000-0x00000000049D2000-memory.dmp

                        Filesize

                        904KB

                      • memory/2480-84-0x00000000049E0000-0x0000000004A20000-memory.dmp

                        Filesize

                        256KB

                      • memory/2480-79-0x0000000000030000-0x0000000000048000-memory.dmp

                        Filesize

                        96KB

                      • memory/2480-88-0x00000000049E0000-0x0000000004A20000-memory.dmp

                        Filesize

                        256KB

                      • memory/2480-86-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2480-82-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2560-8-0x0000000000080000-0x00000000000B0000-memory.dmp

                        Filesize

                        192KB

                      • memory/2560-6-0x0000000000080000-0x00000000000B0000-memory.dmp

                        Filesize

                        192KB

                      • memory/2560-18-0x0000000000080000-0x00000000000B0000-memory.dmp

                        Filesize

                        192KB

                      • memory/2560-19-0x0000000000080000-0x00000000000B0000-memory.dmp

                        Filesize

                        192KB

                      • memory/2560-27-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2560-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2560-10-0x0000000000080000-0x00000000000B0000-memory.dmp

                        Filesize

                        192KB

                      • memory/2560-26-0x0000000000080000-0x00000000000B0000-memory.dmp

                        Filesize

                        192KB

                      • memory/2560-48-0x0000000000DE0000-0x0000000000E20000-memory.dmp

                        Filesize

                        256KB

                      • memory/2560-29-0x0000000000DE0000-0x0000000000E20000-memory.dmp

                        Filesize

                        256KB

                      • memory/2560-12-0x0000000000080000-0x00000000000B0000-memory.dmp

                        Filesize

                        192KB

                      • memory/2560-47-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2560-23-0x0000000000080000-0x00000000000B0000-memory.dmp

                        Filesize

                        192KB

                      • memory/3012-111-0x0000000004C50000-0x0000000004C90000-memory.dmp

                        Filesize

                        256KB

                      • memory/3012-110-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/3012-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/3012-120-0x0000000074C00000-0x00000000752EE000-memory.dmp

                        Filesize

                        6.9MB