Analysis

  • max time kernel
    119s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2022 13:13

General

  • Target

    5e9e2eb6215f644d0d634adbcb4d4477.exe

  • Size

    755KB

  • MD5

    5e9e2eb6215f644d0d634adbcb4d4477

  • SHA1

    890710d84cfe60a8826681e4bb07f023f7d72bad

  • SHA256

    38a438d09edf7467e43391a188afe0e2d0e1cc24a4920caf58acf3f17dedd56c

  • SHA512

    515ab1c97e46f72b9c4c48d5d1b5e47931b256d1c6a1829ce6c4aa64c7ce095e9b38478addb7d9bd67725406f87ca27f2621eb4a3d864f5c88f3a75e19fd5d92

  • SSDEEP

    12288:Td96vOOPjmbhz9afncUmktuAkWJBv5alPO8AHspRDMS7P8M8nAR2HFESPeXrKHa:TQmRBUHvLvAlPO8VpRl8nA8

Malware Config

Extracted

Family

snakekeylogger

Credentials

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\5e9e2eb6215f644d0d634adbcb4d4477.exe
    "C:\Users\Admin\AppData\Local\Temp\5e9e2eb6215f644d0d634adbcb4d4477.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Users\Admin\AppData\Local\Temp\5e9e2eb6215f644d0d634adbcb4d4477.exe
      "C:\Users\Admin\AppData\Local\Temp\5e9e2eb6215f644d0d634adbcb4d4477.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5e9e2eb6215f644d0d634adbcb4d4477.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/1240-138-0x0000000000000000-mapping.dmp

  • memory/1240-139-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1240-141-0x0000000006440000-0x0000000006602000-memory.dmp

    Filesize

    1.8MB

  • memory/4628-132-0x0000000000E00000-0x0000000000EC4000-memory.dmp

    Filesize

    784KB

  • memory/4628-133-0x00000000081E0000-0x0000000008784000-memory.dmp

    Filesize

    5.6MB

  • memory/4628-134-0x0000000007D30000-0x0000000007DC2000-memory.dmp

    Filesize

    584KB

  • memory/4628-135-0x0000000007DE0000-0x0000000007DEA000-memory.dmp

    Filesize

    40KB

  • memory/4628-136-0x000000000A410000-0x000000000A4AC000-memory.dmp

    Filesize

    624KB

  • memory/4628-137-0x000000000A520000-0x000000000A586000-memory.dmp

    Filesize

    408KB