Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2023, 07:03

General

  • Target

    PAGO 748844.exe

  • Size

    590KB

  • MD5

    3974423cf3a5ca86b4cbc9c0968f62ea

  • SHA1

    a88c8cce74fd4d8f767a87548fc20a22c779f099

  • SHA256

    8a88d8c71eeff5031c0be922bad9639753a904fbf78536c0f8ac0619ae69d1b4

  • SHA512

    14c02a57c33e61280df44cc3aea171dcebbaa1e673b7194cc2c81d13b07abef0c6c5de13b156194fce8ff054adab117be46c3bf79270e27d22b36d594d27e847

  • SSDEEP

    12288:FS6ln+flo/XciMvACJKTHlqdivLfLhL+uVWayCHZwuDUIjvSbJ94u+U:MTdCjEBJyHlqdiDfLhLjVWayC5woUIjX

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mtbooks.com.mx
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ^QGUcHQjx3

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 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 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PAGO 748844.exe
    "C:\Users\Admin\AppData\Local\Temp\PAGO 748844.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Users\Admin\AppData\Local\Temp\PAGO 748844.exe
      "C:\Users\Admin\AppData\Local\Temp\PAGO 748844.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 1496
        3⤵
        • Program crash
        PID:4680
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3824 -ip 3824
    1⤵
      PID:760

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PAGO 748844.exe.log

            Filesize

            1KB

            MD5

            765cff098b629b1eb49e3ef981f7001a

            SHA1

            32b7ade1f746d013371141dcebd96e0bb3faeef3

            SHA256

            ee17be860e129795491b4be61f5ac446b16f2679e056114024ffc72b2e23a9b7

            SHA512

            ca2d2ddafc2dcbeab2c93f039bdbc567d4c9e0457e741e71c432b7461a1a8165891f22112ff1b57004ba51271899555fbf001db17d2dc748bafc608817bd9474

          • memory/3824-143-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/3824-151-0x0000000074790000-0x0000000074F40000-memory.dmp

            Filesize

            7.7MB

          • memory/3824-150-0x0000000005240000-0x0000000005250000-memory.dmp

            Filesize

            64KB

          • memory/3824-149-0x0000000074790000-0x0000000074F40000-memory.dmp

            Filesize

            7.7MB

          • memory/3824-147-0x0000000005240000-0x0000000005250000-memory.dmp

            Filesize

            64KB

          • memory/3824-146-0x0000000074790000-0x0000000074F40000-memory.dmp

            Filesize

            7.7MB

          • memory/4772-137-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

            Filesize

            64KB

          • memory/4772-141-0x0000000074790000-0x0000000074F40000-memory.dmp

            Filesize

            7.7MB

          • memory/4772-142-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

            Filesize

            64KB

          • memory/4772-140-0x0000000004C70000-0x0000000004D0C000-memory.dmp

            Filesize

            624KB

          • memory/4772-139-0x0000000004D80000-0x0000000004F26000-memory.dmp

            Filesize

            1.6MB

          • memory/4772-138-0x0000000004960000-0x000000000496A000-memory.dmp

            Filesize

            40KB

          • memory/4772-134-0x0000000074790000-0x0000000074F40000-memory.dmp

            Filesize

            7.7MB

          • memory/4772-148-0x0000000074790000-0x0000000074F40000-memory.dmp

            Filesize

            7.7MB

          • memory/4772-136-0x00000000049C0000-0x0000000004A52000-memory.dmp

            Filesize

            584KB

          • memory/4772-135-0x0000000004F70000-0x0000000005514000-memory.dmp

            Filesize

            5.6MB

          • memory/4772-133-0x0000000000040000-0x00000000000DA000-memory.dmp

            Filesize

            616KB