Analysis

  • max time kernel
    183s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2023, 01:20

General

  • Target

    8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529.exe

  • Size

    708KB

  • MD5

    4a2fb0d3859d4fb7cb6c97e0a6817584

  • SHA1

    fbd0fa257ac8729fa149eb323853de20469dbbeb

  • SHA256

    8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529

  • SHA512

    fafca38175457b61dbbd72a02ab6d75172a94b2e5800f2eded4b8f623b5a4676ec796f7ed3dd1636e3b751df1f65424b4ec3e5f13e6e1fde51e35dff88f455ad

  • SSDEEP

    12288:3DMq4fyMw8CJuuJ99fRKKGNDvgeFLtZexgQKxFUTWIEMW:CS9WKGkehQquT

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5799835476:AAFiZfeIZu-7ZRuBqclPng8ud3yXZLUXpw8/sendMessage?chat_id=5666881718

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529.exe
    "C:\Users\Admin\AppData\Local\Temp\8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QFCLcta" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4793.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3832
    • C:\Users\Admin\AppData\Local\Temp\8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529.exe
      "{path}"
      2⤵
        PID:560
      • C:\Users\Admin\AppData\Local\Temp\8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529.exe
        "{path}"
        2⤵
          PID:1996
        • C:\Users\Admin\AppData\Local\Temp\8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529.exe
          "{path}"
          2⤵
            PID:2328
          • C:\Users\Admin\AppData\Local\Temp\8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529.exe
            "{path}"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:3912

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8e2b4ef3690596ac262df39667fbc2c9cdd5870a1215fd43e1075261a5dfc529.exe.log

                Filesize

                1KB

                MD5

                17573558c4e714f606f997e5157afaac

                SHA1

                13e16e9415ceef429aaf124139671ebeca09ed23

                SHA256

                c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

                SHA512

                f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

              • C:\Users\Admin\AppData\Local\Temp\tmp4793.tmp

                Filesize

                1KB

                MD5

                ca8f85a8fbb170a3b98ded55b6c0c1b1

                SHA1

                e33419caaae5b7ad92930b7c8fb831f8f311b73e

                SHA256

                332cbdd4061728a73fbcddf452c3599f56232f8aa8a7a9b9380ac52e654a608e

                SHA512

                c74841e7d66151db0ba0edecef50979a372284d241a5ef35fb2771cb1b88a248cb0f6ac0febadfaff1852e11562191d90a5cfae51a850c8e86cf2dd9dfea92bf

              • memory/3912-148-0x0000000003140000-0x0000000003150000-memory.dmp

                Filesize

                64KB

              • memory/3912-147-0x0000000003140000-0x0000000003150000-memory.dmp

                Filesize

                64KB

              • memory/3912-144-0x0000000000400000-0x000000000042A000-memory.dmp

                Filesize

                168KB

              • memory/4948-136-0x0000000004FB0000-0x0000000005042000-memory.dmp

                Filesize

                584KB

              • memory/4948-139-0x00000000051C0000-0x00000000051D0000-memory.dmp

                Filesize

                64KB

              • memory/4948-140-0x00000000051C0000-0x00000000051D0000-memory.dmp

                Filesize

                64KB

              • memory/4948-138-0x0000000004F10000-0x0000000004F66000-memory.dmp

                Filesize

                344KB

              • memory/4948-137-0x0000000004E90000-0x0000000004E9A000-memory.dmp

                Filesize

                40KB

              • memory/4948-133-0x0000000000390000-0x0000000000446000-memory.dmp

                Filesize

                728KB

              • memory/4948-135-0x00000000054C0000-0x0000000005A64000-memory.dmp

                Filesize

                5.6MB

              • memory/4948-134-0x0000000004DD0000-0x0000000004E6C000-memory.dmp

                Filesize

                624KB