Analysis

  • max time kernel
    117s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 20:13

General

  • Target

    doc 202309909910101010.exe

  • Size

    497KB

  • MD5

    4b6ba75e0680e1761dabf95c43e777cd

  • SHA1

    ac9a769d7355ea3eab0389deb2e11337cb277d48

  • SHA256

    55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5

  • SHA512

    13e2e7edf9047bf059aed416fbce0ea954f4054b699d48f6fa41bb23482ee344b86499a9db4869b1bbd1aa6f53a1f43d048640e3a7ca812b1abf6c6b0d6cca70

  • SSDEEP

    12288:FE725SZXXjQKQX46Hp+erzNnIyDuiNdYjJAEzq9F/+LQ:BAZN6Hp+erzNnIcKJAv

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gkas.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Gkasteknik@2022

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe
    "C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OYnoIhjaIinqxa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2440
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OYnoIhjaIinqxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC7A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2448
    • C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe
      "C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDC7A.tmp

    Filesize

    1KB

    MD5

    9313811f192b05ddda8b455018fdec55

    SHA1

    027727bc3150f9a852eca823896fa9e8bdfbbc58

    SHA256

    a01089cebb932a200d96d3bea0d3702fe1718a4f26739b6097e60b5121494e20

    SHA512

    75cd8dde7ea4f54bc08ecde932c4517cb821749db51315a0db0c8b49a57e0f3b3b55924732774024e34b47e995a1d25778a958d6d8ec5786711cf29acab96bc5

  • memory/1580-27-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1580-16-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1580-19-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1580-21-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1580-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1580-32-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1580-28-0x0000000004AD0000-0x0000000004B10000-memory.dmp

    Filesize

    256KB

  • memory/1580-23-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1580-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1580-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1580-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2036-3-0x0000000004BE0000-0x0000000004C20000-memory.dmp

    Filesize

    256KB

  • memory/2036-7-0x0000000005640000-0x000000000569E000-memory.dmp

    Filesize

    376KB

  • memory/2036-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2036-4-0x0000000004BE0000-0x0000000004C20000-memory.dmp

    Filesize

    256KB

  • memory/2036-1-0x0000000000290000-0x0000000000312000-memory.dmp

    Filesize

    520KB

  • memory/2036-26-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2036-0-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2036-5-0x0000000000460000-0x0000000000470000-memory.dmp

    Filesize

    64KB

  • memory/2036-6-0x0000000000480000-0x000000000048C000-memory.dmp

    Filesize

    48KB

  • memory/2440-30-0x000000006EBE0000-0x000000006F18B000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-31-0x0000000002610000-0x0000000002650000-memory.dmp

    Filesize

    256KB

  • memory/2440-29-0x000000006EBE0000-0x000000006F18B000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-33-0x000000006EBE0000-0x000000006F18B000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-34-0x000000006EBE0000-0x000000006F18B000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-35-0x000000006EBE0000-0x000000006F18B000-memory.dmp

    Filesize

    5.7MB