Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 14:27

General

  • Target

    docdad20230925.exe

  • Size

    812KB

  • MD5

    a2144ec73f793ed49255c96839a7a1f6

  • SHA1

    0f0e44b93259265f2fb77683a0a2bd808e79224f

  • SHA256

    ef2d231629d0b364d24e83d2c8cbf4e870737490b158b98450e9bdb28056dfec

  • SHA512

    a824da9932404d70783a34c8020e06fd1559ccbcac952134612c84b27ae9921239c6e5fdec1304174de95098617aa94ee742a41d1a01a7ba5bdcd227ef4d1fe5

  • SSDEEP

    12288:x1F4CB/szLMx0FAurlhhkXV6U+N5r9I+fU65Nu5rxbGAuH81WZwNY:p4dzLNFhhI2RIx2NuT7uHYY

Malware Config

Extracted

Family

snakekeylogger

Credentials

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

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 8 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 3 IoCs
  • Looks up external IP address via web service 1 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 2 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\docdad20230925.exe
    "C:\Users\Admin\AppData\Local\Temp\docdad20230925.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\docdad20230925.exe
      "C:\Users\Admin\AppData\Local\Temp\docdad20230925.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2796
    • 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:2572
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        PID:1640
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:1972
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2660
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
            4⤵
            • Creates scheduled task(s)
            PID:1632
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
          3⤵
            PID:1588
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2800
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\docdad20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:2784
            • 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:2084
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            1⤵
            • Creates scheduled task(s)
            PID:2500
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {5F49AC19-B4E2-460F-B0BD-A3B4BCE8803F} S-1-5-21-2180306848-1874213455-4093218721-1000:XEBBURHY\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1492
            • C:\Users\Admin\AppData\Roaming\avast\avast.exe
              C:\Users\Admin\AppData\Roaming\avast\avast.exe
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2752
              • C:\Users\Admin\AppData\Roaming\avast\avast.exe
                "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious behavior: SetClipboardViewer
                PID:1752
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
                3⤵
                  PID:2904
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
                  3⤵
                    PID:1916
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
                      4⤵
                      • Creates scheduled task(s)
                      PID:2956
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\avast\avast.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
                    3⤵
                      PID:2116
                  • C:\Users\Admin\AppData\Roaming\avast\avast.exe
                    C:\Users\Admin\AppData\Roaming\avast\avast.exe
                    2⤵
                    • Executes dropped EXE
                    PID:1872

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                  Filesize

                  621KB

                  MD5

                  ed9d91fe584d5109d4067734ac452753

                  SHA1

                  c277e57866833509d94787fc6f4d634a2714825d

                  SHA256

                  3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                  SHA512

                  a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

                • memory/1204-4-0x0000000004640000-0x0000000004680000-memory.dmp

                  Filesize

                  256KB

                • memory/1204-5-0x00000000047A0000-0x0000000004880000-memory.dmp

                  Filesize

                  896KB

                • memory/1204-1-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1204-3-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1204-2-0x0000000004640000-0x0000000004680000-memory.dmp

                  Filesize

                  256KB

                • memory/1204-36-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1204-0-0x0000000000370000-0x0000000000440000-memory.dmp

                  Filesize

                  832KB

                • memory/1640-45-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1640-47-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1640-67-0x0000000000A00000-0x0000000000A40000-memory.dmp

                  Filesize

                  256KB

                • memory/1640-66-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1640-65-0x0000000000A00000-0x0000000000A40000-memory.dmp

                  Filesize

                  256KB

                • memory/1640-64-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1640-61-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1640-58-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1640-55-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1640-53-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/1640-51-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1640-49-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/1752-90-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1752-91-0x0000000004A30000-0x0000000004A70000-memory.dmp

                  Filesize

                  256KB

                • memory/1752-88-0x0000000004A30000-0x0000000004A70000-memory.dmp

                  Filesize

                  256KB

                • memory/1752-79-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/1752-87-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1872-94-0x0000000004B00000-0x0000000004B40000-memory.dmp

                  Filesize

                  256KB

                • memory/1872-93-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2572-34-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2572-41-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2572-59-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2572-42-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

                  Filesize

                  256KB

                • memory/2572-43-0x00000000005D0000-0x00000000005FC000-memory.dmp

                  Filesize

                  176KB

                • memory/2572-35-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

                  Filesize

                  256KB

                • memory/2572-33-0x0000000000EF0000-0x0000000000F92000-memory.dmp

                  Filesize

                  648KB

                • memory/2752-72-0x0000000000D00000-0x0000000000D40000-memory.dmp

                  Filesize

                  256KB

                • memory/2752-89-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2752-74-0x0000000000D00000-0x0000000000D40000-memory.dmp

                  Filesize

                  256KB

                • memory/2752-73-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2752-70-0x0000000000D40000-0x0000000000DE2000-memory.dmp

                  Filesize

                  648KB

                • memory/2752-71-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2796-21-0x00000000000D0000-0x00000000000F4000-memory.dmp

                  Filesize

                  144KB

                • memory/2796-10-0x00000000000D0000-0x00000000000F4000-memory.dmp

                  Filesize

                  144KB

                • memory/2796-12-0x00000000000D0000-0x00000000000F4000-memory.dmp

                  Filesize

                  144KB

                • memory/2796-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2796-8-0x00000000000D0000-0x00000000000F4000-memory.dmp

                  Filesize

                  144KB

                • memory/2796-15-0x00000000000D0000-0x00000000000F4000-memory.dmp

                  Filesize

                  144KB

                • memory/2796-16-0x00000000000D0000-0x00000000000F4000-memory.dmp

                  Filesize

                  144KB

                • memory/2796-27-0x0000000004840000-0x0000000004880000-memory.dmp

                  Filesize

                  256KB

                • memory/2796-40-0x0000000004840000-0x0000000004880000-memory.dmp

                  Filesize

                  256KB

                • memory/2796-39-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2796-6-0x00000000000D0000-0x00000000000F4000-memory.dmp

                  Filesize

                  144KB

                • memory/2796-24-0x00000000000D0000-0x00000000000F4000-memory.dmp

                  Filesize

                  144KB

                • memory/2796-25-0x0000000074880000-0x0000000074F6E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2796-95-0x0000000004840000-0x0000000004880000-memory.dmp

                  Filesize

                  256KB