Analysis

  • max time kernel
    64s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2022 10:19

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.23746.7866.exe

  • Size

    1.1MB

  • MD5

    795e334ba4e541868ad50a9a586292fc

  • SHA1

    e5899fb1461801dd1ea36ef168bb7b65387df4cb

  • SHA256

    3a5a0d4800da38230457ee48b036470cd155240c0cd84cce73862b686277f126

  • SHA512

    3f58a4a0c1cee3305021ba22be76b64dae1e6e26009e7765baacfd3ed84f008a2fedd0b7a2c5c771edec44fdb8be7fa6d05c4fb2e42dc70c97952be45ab44bff

  • SSDEEP

    24576:6xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNussYwiyr9lC:649ltNdM8VZyDFdj

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5253212199:AAG-02qWN77aEjxlYTZ-WAZ7WOi_I4kCde8/sendMessage?chat_id=2128925974

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23746.7866.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23746.7866.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23746.7866.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23746.7866.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.23746.7866.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/4828-132-0x0000000000F10000-0x0000000001032000-memory.dmp

    Filesize

    1.1MB

  • memory/4828-133-0x0000000006020000-0x00000000065C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4828-134-0x00000000059C0000-0x0000000005A52000-memory.dmp

    Filesize

    584KB

  • memory/4828-135-0x0000000005A70000-0x0000000005A7A000-memory.dmp

    Filesize

    40KB

  • memory/4828-136-0x000000000C490000-0x000000000C52C000-memory.dmp

    Filesize

    624KB

  • memory/4828-137-0x000000000C530000-0x000000000C596000-memory.dmp

    Filesize

    408KB

  • memory/5112-138-0x0000000000000000-mapping.dmp

  • memory/5112-139-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/5112-141-0x0000000006D40000-0x0000000006F02000-memory.dmp

    Filesize

    1.8MB