Analysis

  • max time kernel
    118s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2023, 08:48

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 8 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 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:1152
    • 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:624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kmOptlGglTeN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1870.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2756
    • 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:2936

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp1870.tmp

          Filesize

          1KB

          MD5

          7761602311fbda97653113959526bf16

          SHA1

          b66f8b85e4f0245c04bc60874a7af33948ddaa57

          SHA256

          1c870d4415c12a72c58580b275ef02c2bda73f1fc889f0042eed47007444bdda

          SHA512

          20665ed13feb32c0afa8b53b2c44b96379de224031262ed7a1e792b906f4a68ea0d030da2d486bfdbab841e93e6a623fd50b27f0d1292f3fe4550a627ea04e70

        • memory/624-89-0x000000006EDB0000-0x000000006F35B000-memory.dmp

          Filesize

          5.7MB

        • memory/624-87-0x000000006EDB0000-0x000000006F35B000-memory.dmp

          Filesize

          5.7MB

        • memory/624-86-0x0000000002310000-0x0000000002350000-memory.dmp

          Filesize

          256KB

        • memory/624-84-0x0000000002310000-0x0000000002350000-memory.dmp

          Filesize

          256KB

        • memory/624-83-0x000000006EDB0000-0x000000006F35B000-memory.dmp

          Filesize

          5.7MB

        • memory/1152-59-0x00000000004B0000-0x00000000004BA000-memory.dmp

          Filesize

          40KB

        • memory/1152-80-0x0000000074A00000-0x00000000750EE000-memory.dmp

          Filesize

          6.9MB

        • memory/1152-53-0x00000000010B0000-0x0000000001158000-memory.dmp

          Filesize

          672KB

        • memory/1152-54-0x0000000074A00000-0x00000000750EE000-memory.dmp

          Filesize

          6.9MB

        • memory/1152-55-0x0000000004E10000-0x0000000004E50000-memory.dmp

          Filesize

          256KB

        • memory/1152-56-0x0000000000490000-0x00000000004A0000-memory.dmp

          Filesize

          64KB

        • memory/1152-60-0x0000000005EA0000-0x0000000005F00000-memory.dmp

          Filesize

          384KB

        • memory/1152-57-0x0000000074A00000-0x00000000750EE000-memory.dmp

          Filesize

          6.9MB

        • memory/1152-58-0x0000000004E10000-0x0000000004E50000-memory.dmp

          Filesize

          256KB

        • memory/2936-73-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2936-79-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2936-82-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2936-77-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2936-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2936-85-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

          Filesize

          256KB

        • memory/2936-71-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2936-70-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2936-88-0x00000000736E0000-0x0000000073DCE000-memory.dmp

          Filesize

          6.9MB

        • memory/2936-68-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2936-90-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

          Filesize

          256KB

        • memory/2936-91-0x00000000736E0000-0x0000000073DCE000-memory.dmp

          Filesize

          6.9MB