Analysis

  • max time kernel
    133s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2023, 06:23

General

  • Target

    Kkoetzuo.exe

  • Size

    745KB

  • MD5

    d0fea0443b598ea2060e7ad1fb4c5b8e

  • SHA1

    bed77ada64b77184047eff265b75bd71f8136f41

  • SHA256

    6894f623dddd03e3be59b6785c21962cf71686a215e2db68f83f621b01afa7ef

  • SHA512

    c6e73a7ba6c713e286a45f2b34dd6eb84e0226b57045175449a4460fc622d791bd1ce781da0ffe296385decfaeb1550da2700604223a43022dd3cabc4fb9543f

  • SSDEEP

    12288:SNnRIRp4ejE8krkBs5Omc1sth2pC+Fnsga0GcxgE/2:KYJkrkY41sthGGc1/

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6223040934:AAFZR7-nJPBtNtKiKjjFvb-144WYhjW9KHY/sendMessage?chat_id=6373691592

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Kkoetzuo.exe
    "C:\Users\Admin\AppData\Local\Temp\Kkoetzuo.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3220
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3220 -s 1404
        3⤵
        • Program crash
        PID:2260
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 408 -p 3220 -ip 3220
    1⤵
      PID:3028

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3076-133-0x00000207175A0000-0x000002071765E000-memory.dmp

            Filesize

            760KB

          • memory/3076-134-0x00007FFD23BB0000-0x00007FFD24671000-memory.dmp

            Filesize

            10.8MB

          • memory/3076-135-0x0000020731C30000-0x0000020731C40000-memory.dmp

            Filesize

            64KB

          • memory/3076-136-0x0000020731E40000-0x0000020731E62000-memory.dmp

            Filesize

            136KB

          • memory/3076-137-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-138-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-140-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-142-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-144-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-146-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-148-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-150-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-152-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-154-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-156-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-158-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-160-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-162-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-164-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-166-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-168-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-170-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-172-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-174-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-176-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-178-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-180-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-182-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-184-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-186-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-188-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-190-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-192-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-194-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-196-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-198-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-200-0x0000020731D40000-0x0000020731E0E000-memory.dmp

            Filesize

            824KB

          • memory/3076-1315-0x00007FFD23BB0000-0x00007FFD24671000-memory.dmp

            Filesize

            10.8MB

          • memory/3076-1460-0x0000020719210000-0x0000020719211000-memory.dmp

            Filesize

            4KB

          • memory/3076-1464-0x00007FFD23BB0000-0x00007FFD24671000-memory.dmp

            Filesize

            10.8MB

          • memory/3220-1465-0x00007FFD23BB0000-0x00007FFD24671000-memory.dmp

            Filesize

            10.8MB

          • memory/3220-1466-0x0000000140000000-0x0000000140024000-memory.dmp

            Filesize

            144KB

          • memory/3220-1467-0x0000012DC1910000-0x0000012DC1920000-memory.dmp

            Filesize

            64KB

          • memory/3220-1468-0x00007FFD23BB0000-0x00007FFD24671000-memory.dmp

            Filesize

            10.8MB