Analysis

  • max time kernel
    121s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    18-10-2021 11:35

General

  • Target

    a37e7dab62e1bc27058e90fa26bd5e60.exe

  • Size

    76KB

  • MD5

    a37e7dab62e1bc27058e90fa26bd5e60

  • SHA1

    8e08ca884b5490b9efc9f7cc8b2408eefbf96338

  • SHA256

    accad8825cb1550525445007a28a4d2ac8b5db15a6b403d78a4177262a1f681b

  • SHA512

    d3a8e07f08254801ef485a6c6ab8e1a1241c12207f97337bba143c3c3bddc508e57e1f1ef14ffd43303fd527f4300f3ca843945c54c3ae460cc58c3d7d851f0b

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    reptw.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2HRgrc+HEz}8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 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\a37e7dab62e1bc27058e90fa26bd5e60.exe
    "C:\Users\Admin\AppData\Local\Temp\a37e7dab62e1bc27058e90fa26bd5e60.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\a37e7dab62e1bc27058e90fa26bd5e60.exe
      C:\Users\Admin\AppData\Local\Temp\a37e7dab62e1bc27058e90fa26bd5e60.exe
      2⤵
        PID:1636
      • C:\Users\Admin\AppData\Local\Temp\a37e7dab62e1bc27058e90fa26bd5e60.exe
        C:\Users\Admin\AppData\Local\Temp\a37e7dab62e1bc27058e90fa26bd5e60.exe
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1616

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a37e7dab62e1bc27058e90fa26bd5e60.exe.log

      MD5

      808e884c00533a9eb0e13e64960d9c3a

      SHA1

      279d05181fc6179a12df1a669ff5d8b64c1380ae

      SHA256

      2f6a0aab99b1c228a6642f44f8992646ce84c5a2b3b9941b6cf1f2badf67bdd6

      SHA512

      9489bdb2ffdfeef3c52edcfe9b34c6688eba53eb86075e0564df1cd474723c86b5b5aedc12df1ff5fc12cf97bd1e3cf9701ff61dc4ce90155d70e9ccfd0fc299

    • memory/1616-127-0x0000000005210000-0x000000000570E000-memory.dmp

      Filesize

      5.0MB

    • memory/1616-120-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1616-121-0x00000000004203EE-mapping.dmp

    • memory/1616-125-0x0000000005710000-0x0000000005711000-memory.dmp

      Filesize

      4KB

    • memory/1616-126-0x0000000005210000-0x0000000005211000-memory.dmp

      Filesize

      4KB

    • memory/1616-128-0x0000000006500000-0x0000000006501000-memory.dmp

      Filesize

      4KB

    • memory/1616-129-0x00000000063E0000-0x00000000063E1000-memory.dmp

      Filesize

      4KB

    • memory/1616-130-0x00000000063A0000-0x00000000063A1000-memory.dmp

      Filesize

      4KB

    • memory/2416-118-0x0000000005C00000-0x0000000005CF7000-memory.dmp

      Filesize

      988KB

    • memory/2416-119-0x0000000005E80000-0x0000000005E98000-memory.dmp

      Filesize

      96KB

    • memory/2416-117-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

      Filesize

      4KB

    • memory/2416-115-0x00000000003B0000-0x00000000003B1000-memory.dmp

      Filesize

      4KB