Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2023, 08:49

General

  • Target

    xveXYcYoRA9ESLn.exe

  • Size

    643KB

  • MD5

    6347fb31f9109c673ad871a53592aa05

  • SHA1

    e27fcd68f9a792b338243354c758beea0e5699b8

  • SHA256

    afcf2d75de98e641cb9555de188660470893d84e4c22577cd56f947e5a54223a

  • SHA512

    50f54f1680baf1a4d354fc789427a535e6016dded9340d27595908defcf68e052331a16d508d974e913ca6e120b27c8649869f450be3f36b603fa69ddc78e1cf

  • SSDEEP

    12288:15MYIRXDdvSRkM15dSe01rrG7F7Be7oyOH/ElayoBDef3TMMMDMMM:16FRXxvSRkMJArylB4oyc/ElaZefTMM7

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6454328840:AAFhLVGRU2auzr2_1A08UAoSV1INpU42j7g/sendMessage?chat_id=6315669338

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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.

  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe
    "C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kmOptlGglTeN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kmOptlGglTeN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C9C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2732
    • C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe
      "C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"
      2⤵
        PID:2868
      • C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe
        "C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"
        2⤵
          PID:1264
        • C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe
          "C:\Users\Admin\AppData\Local\Temp\xveXYcYoRA9ESLn.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          PID:2752

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp2C9C.tmp

              Filesize

              1KB

              MD5

              cf86431a5b964926cfc91a4c7927f549

              SHA1

              34210690b2b942c08cd4123a75f2d7c91abe02d5

              SHA256

              cce2d0d8b58b56c0e17cd53471db4ee99c3daf0c7cf3a4361f3f92102bf5bb17

              SHA512

              f4556310afcd3586e98313fcd054a09d2b360385e5a24f92f5fd8442605e80535e8fa3b8b51b7a274a4fad6c3f8a9539347d438b1b7e2b7578b3c873232d4d45

            • memory/2564-55-0x0000000074480000-0x0000000074B6E000-memory.dmp

              Filesize

              6.9MB

            • memory/2564-54-0x0000000000E50000-0x0000000000EF8000-memory.dmp

              Filesize

              672KB

            • memory/2564-56-0x0000000004ED0000-0x0000000004F10000-memory.dmp

              Filesize

              256KB

            • memory/2564-57-0x0000000000490000-0x00000000004A0000-memory.dmp

              Filesize

              64KB

            • memory/2564-58-0x0000000074480000-0x0000000074B6E000-memory.dmp

              Filesize

              6.9MB

            • memory/2564-59-0x0000000004ED0000-0x0000000004F10000-memory.dmp

              Filesize

              256KB

            • memory/2564-60-0x00000000004B0000-0x00000000004BA000-memory.dmp

              Filesize

              40KB

            • memory/2564-61-0x0000000004300000-0x0000000004360000-memory.dmp

              Filesize

              384KB

            • memory/2564-84-0x0000000074480000-0x0000000074B6E000-memory.dmp

              Filesize

              6.9MB

            • memory/2752-75-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2752-89-0x0000000004860000-0x00000000048A0000-memory.dmp

              Filesize

              256KB

            • memory/2752-71-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2752-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2752-79-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2752-81-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2752-83-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2752-67-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2752-93-0x0000000004860000-0x00000000048A0000-memory.dmp

              Filesize

              256KB

            • memory/2752-73-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/2752-87-0x0000000074480000-0x0000000074B6E000-memory.dmp

              Filesize

              6.9MB

            • memory/2752-92-0x0000000074480000-0x0000000074B6E000-memory.dmp

              Filesize

              6.9MB

            • memory/3032-86-0x000000006E950000-0x000000006EEFB000-memory.dmp

              Filesize

              5.7MB

            • memory/3032-90-0x0000000000370000-0x00000000003B0000-memory.dmp

              Filesize

              256KB

            • memory/3032-91-0x000000006E950000-0x000000006EEFB000-memory.dmp

              Filesize

              5.7MB

            • memory/3032-88-0x0000000000370000-0x00000000003B0000-memory.dmp

              Filesize

              256KB

            • memory/3032-85-0x000000006E950000-0x000000006EEFB000-memory.dmp

              Filesize

              5.7MB