Analysis

  • max time kernel
    125s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 16:58

General

  • Target

    05.12.2023tahsilsenedibilgileri.xls.exe

  • Size

    681KB

  • MD5

    3270695f929b3f2499f9f56d76c9b08f

  • SHA1

    32e75a939b0ae09a898339004afa4bbeb3ce6d68

  • SHA256

    c7c0a22744179c319910d7c9508866ebfc6d35beeee844b8462bab9c04af4b19

  • SHA512

    23360736cdda1b3cd4cf07046936f512d3ab9c50c47422f1e7d3e689ad5143ef450ea8b3f0660c38a892c6191023b16b731c559ed11b3104e74b60f8986110f5

  • SSDEEP

    12288:Xy7KE6jD/62iNG5nF8rmi9VEsqhzUoo3j3D829wV1wIctP/T:X6KtD/61IGzEsGInjwV1wFtX

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ozakaluminyum.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ETKghx*c3KoQ

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe
    "C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe
      "C:\Users\Admin\AppData\Local\Temp\05.12.2023tahsilsenedibilgileri.xls.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 1448
        3⤵
        • Program crash
        PID:4852
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3860 -ip 3860
    1⤵
      PID:4372

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\05.12.2023tahsilsenedibilgileri.xls.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/3860-13-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3860-19-0x0000000074D30000-0x00000000754E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3860-17-0x0000000005850000-0x0000000005860000-memory.dmp

      Filesize

      64KB

    • memory/3860-16-0x0000000074D30000-0x00000000754E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4700-8-0x0000000005BD0000-0x0000000005BDA000-memory.dmp

      Filesize

      40KB

    • memory/4700-12-0x00000000058A0000-0x00000000058B0000-memory.dmp

      Filesize

      64KB

    • memory/4700-7-0x0000000005BB0000-0x0000000005BB8000-memory.dmp

      Filesize

      32KB

    • memory/4700-1-0x0000000074D30000-0x00000000754E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4700-9-0x0000000006A80000-0x0000000006ADE000-memory.dmp

      Filesize

      376KB

    • memory/4700-10-0x0000000006950000-0x00000000069EC000-memory.dmp

      Filesize

      624KB

    • memory/4700-11-0x0000000074D30000-0x00000000754E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4700-6-0x0000000005880000-0x0000000005898000-memory.dmp

      Filesize

      96KB

    • memory/4700-5-0x0000000005630000-0x000000000563A000-memory.dmp

      Filesize

      40KB

    • memory/4700-4-0x00000000058A0000-0x00000000058B0000-memory.dmp

      Filesize

      64KB

    • memory/4700-3-0x0000000005650000-0x00000000056E2000-memory.dmp

      Filesize

      584KB

    • memory/4700-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

      Filesize

      5.6MB

    • memory/4700-18-0x0000000074D30000-0x00000000754E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4700-0-0x0000000000B90000-0x0000000000C40000-memory.dmp

      Filesize

      704KB