Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 14:56

General

  • Target

    1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe

  • Size

    525KB

  • MD5

    3138b63ef0d439ebc2e631452307c089

  • SHA1

    176b629248c486842e03a897192dbc6043a57fe5

  • SHA256

    1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837

  • SHA512

    f83dcb33c5777d9efc9100705761786a7d1dada83331866a95fbd3042357f7d7b87aa36cc1dc7fcbe8e9af4118bdd1cd5e2734366c1cc7d1c85b95be8c6767c0

  • SSDEEP

    12288:/ytros3iYd2DGhjsTJWJHJ+HgyJsMgqFyaHs:/WosNDdRJHcHZJt

Malware Config

Extracted

Family

snakekeylogger

C2

http://varders.kozow.com:8081

http://aborters.duckdns.org:8081

http://anotherarmy.dns.army:8081

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 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 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
    "C:\Users\Admin\AppData\Local\Temp\1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 1568
        3⤵
        • Program crash
        PID:3924
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4048 -ip 4048
    1⤵
      PID:4944

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2728-6-0x0000000005410000-0x00000000054AC000-memory.dmp

            Filesize

            624KB

          • memory/2728-1-0x0000000075110000-0x00000000758C0000-memory.dmp

            Filesize

            7.7MB

          • memory/2728-3-0x0000000005220000-0x0000000005230000-memory.dmp

            Filesize

            64KB

          • memory/2728-2-0x0000000002B70000-0x0000000002BC4000-memory.dmp

            Filesize

            336KB

          • memory/2728-4-0x00000000057E0000-0x0000000005D84000-memory.dmp

            Filesize

            5.6MB

          • memory/2728-5-0x00000000052D0000-0x0000000005362000-memory.dmp

            Filesize

            584KB

          • memory/2728-0-0x0000000000750000-0x00000000007DA000-memory.dmp

            Filesize

            552KB

          • memory/2728-7-0x0000000005260000-0x0000000005268000-memory.dmp

            Filesize

            32KB

          • memory/2728-10-0x0000000075110000-0x00000000758C0000-memory.dmp

            Filesize

            7.7MB

          • memory/4048-8-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4048-11-0x0000000075110000-0x00000000758C0000-memory.dmp

            Filesize

            7.7MB

          • memory/4048-12-0x00000000054B0000-0x00000000054C0000-memory.dmp

            Filesize

            64KB

          • memory/4048-13-0x0000000075110000-0x00000000758C0000-memory.dmp

            Filesize

            7.7MB