Analysis

  • max time kernel
    127s
  • max time network
    145s
  • 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 49595.exe

  • Size

    590KB

  • MD5

    5771c7f376bf8760e4536e1ac832be83

  • SHA1

    011cc3fe71e481d4dd69d16fec2e328a1c542526

  • SHA256

    74e0e44962853defab1a9e26b38a812fac44b61910ea18102c3e7b227ee03ebb

  • SHA512

    a2aeb8bada76c538515712de471c710aaee012c4d9b1fc05ee4571092e23e534fef6f98bdc0b2c58b40f1ea08326d3f034cddffe5b3edd272c72ad6d2d4a9306

  • SSDEEP

    12288:aS6ln+flo/XciMv0AsRfPN1+Jexurhw4Z9dqeGFnDSvRhpb7:vTdCjE0AywJexur2YSFnDSTl7

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    UWzDeXWsD8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PAGO 49595.exe
    "C:\Users\Admin\AppData\Local\Temp\PAGO 49595.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Users\Admin\AppData\Local\Temp\PAGO 49595.exe
      "C:\Users\Admin\AppData\Local\Temp\PAGO 49595.exe"
      2⤵
        PID:2676
      • C:\Users\Admin\AppData\Local\Temp\PAGO 49595.exe
        "C:\Users\Admin\AppData\Local\Temp\PAGO 49595.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3384

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PAGO 49595.exe.log

            Filesize

            1KB

            MD5

            765cff098b629b1eb49e3ef981f7001a

            SHA1

            32b7ade1f746d013371141dcebd96e0bb3faeef3

            SHA256

            ee17be860e129795491b4be61f5ac446b16f2679e056114024ffc72b2e23a9b7

            SHA512

            ca2d2ddafc2dcbeab2c93f039bdbc567d4c9e0457e741e71c432b7461a1a8165891f22112ff1b57004ba51271899555fbf001db17d2dc748bafc608817bd9474

          • memory/2928-141-0x0000000075350000-0x0000000075B00000-memory.dmp

            Filesize

            7.7MB

          • memory/2928-147-0x0000000075350000-0x0000000075B00000-memory.dmp

            Filesize

            7.7MB

          • memory/2928-136-0x0000000005170000-0x0000000005202000-memory.dmp

            Filesize

            584KB

          • memory/2928-137-0x0000000005380000-0x0000000005390000-memory.dmp

            Filesize

            64KB

          • memory/2928-138-0x0000000005140000-0x000000000514A000-memory.dmp

            Filesize

            40KB

          • memory/2928-139-0x0000000005C30000-0x0000000005DD6000-memory.dmp

            Filesize

            1.6MB

          • memory/2928-140-0x0000000005430000-0x00000000054CC000-memory.dmp

            Filesize

            624KB

          • memory/2928-134-0x0000000075350000-0x0000000075B00000-memory.dmp

            Filesize

            7.7MB

          • memory/2928-135-0x0000000005680000-0x0000000005C24000-memory.dmp

            Filesize

            5.6MB

          • memory/2928-133-0x00000000006A0000-0x000000000073A000-memory.dmp

            Filesize

            616KB

          • memory/2928-142-0x0000000005380000-0x0000000005390000-memory.dmp

            Filesize

            64KB

          • memory/3384-143-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/3384-146-0x0000000075350000-0x0000000075B00000-memory.dmp

            Filesize

            7.7MB

          • memory/3384-148-0x00000000054C0000-0x00000000054D0000-memory.dmp

            Filesize

            64KB

          • memory/3384-149-0x0000000006560000-0x0000000006722000-memory.dmp

            Filesize

            1.8MB

          • memory/3384-150-0x0000000075350000-0x0000000075B00000-memory.dmp

            Filesize

            7.7MB

          • memory/3384-151-0x00000000054C0000-0x00000000054D0000-memory.dmp

            Filesize

            64KB