Analysis

  • max time kernel
    165s
  • max time network
    187s
  • 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 6 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 22 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:2676
    • 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:2696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OYnoIhjaIinqxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CFA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2536
    • 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:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2CFA.tmp

    Filesize

    1KB

    MD5

    fe3a0e0a6d28629d61d38d329cce7522

    SHA1

    03aa28ea7cbf8c8e2524939e0b770af8f4997a59

    SHA256

    028100d328f4768deaf0d0a2e1fb3affbe753f43da27275a280d6cdec35ad961

    SHA512

    afb4926c21f8a4d8a4a9e845cf93430e05586a71e9010f309d999a90c137903cb8874b5745cafc4211856343b816bbc10ff700f2fdcbd564f81f2d880e15571f

  • memory/2224-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2224-36-0x00000000005E0000-0x0000000000620000-memory.dmp

    Filesize

    256KB

  • memory/2224-34-0x00000000738A0000-0x0000000073F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-29-0x00000000738A0000-0x0000000073F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-26-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2224-23-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2224-21-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2224-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2224-15-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2224-16-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2224-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2676-7-0x0000000004940000-0x000000000499E000-memory.dmp

    Filesize

    376KB

  • memory/2676-2-0x00000000049D0000-0x0000000004A10000-memory.dmp

    Filesize

    256KB

  • memory/2676-6-0x0000000000310000-0x000000000031C000-memory.dmp

    Filesize

    48KB

  • memory/2676-5-0x00000000049D0000-0x0000000004A10000-memory.dmp

    Filesize

    256KB

  • memory/2676-24-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-4-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-1-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-0-0x0000000001050000-0x00000000010D2000-memory.dmp

    Filesize

    520KB

  • memory/2676-3-0x0000000000300000-0x0000000000310000-memory.dmp

    Filesize

    64KB

  • memory/2696-30-0x0000000002660000-0x00000000026A0000-memory.dmp

    Filesize

    256KB

  • memory/2696-31-0x0000000002660000-0x00000000026A0000-memory.dmp

    Filesize

    256KB

  • memory/2696-32-0x0000000002660000-0x00000000026A0000-memory.dmp

    Filesize

    256KB

  • memory/2696-33-0x000000006EF70000-0x000000006F51B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-28-0x000000006EF70000-0x000000006F51B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-35-0x0000000002660000-0x00000000026A0000-memory.dmp

    Filesize

    256KB

  • memory/2696-27-0x000000006EF70000-0x000000006F51B000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-37-0x000000006EF70000-0x000000006F51B000-memory.dmp

    Filesize

    5.7MB