Overview

overview

10

Static

static

3

75129aa64e...c5.exe

windows7-x64

10

75129aa64e...c5.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 17:18

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General

  • Target
    75129aa64ee308f0e0755c9a7fdb30c5.exe
  • Size 556KB
  • Sample240125-vvfysacdbl
  • SHA256 13dd6a998bbcb295ebfbb6e82b14adfdca5a89d48448384acb26657f749f1058
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
kinsingevasionloaderpersistencespywarestealerupx

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

    loaderkinsing
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\75129aa64ee308f0e0755c9a7fdb30c5.exe
      "C:\Users\Admin\AppData\Local\Temp\75129aa64ee308f0e0755c9a7fdb30c5.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Users\Admin\NB4wr66jY4.exe
        C:\Users\Admin\NB4wr66jY4.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\Users\Admin\woudeb.exe
          "C:\Users\Admin\woudeb.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:5100
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2672
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:1424
      • C:\Users\Admin\2xek.exe
        C:\Users\Admin\2xek.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          PID:3096
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 80
            5⤵
            • Program crash
            PID:4156
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1916
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          PID:4896
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:3692
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1164
      • C:\Users\Admin\3xek.exe
        C:\Users\Admin\3xek.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2168
        • C:\Users\Admin\AppData\Local\377daf6e\X
          *0*bc*4f3a9532*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4396
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 75129aa64ee308f0e0755c9a7fdb30c5.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2480
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3136
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3096 -ip 3096
    1⤵
      PID:4292

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

          2xek.exe
          • Path C:\Users\Admin\2xek.exe
          • Size 164KB
          • SHA256 9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          3xek.exe
          • Path C:\Users\Admin\3xek.exe
          • Size 251KB
          • SHA256 6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          X
          • Path C:\Users\Admin\AppData\Local\377daf6e\X
          • Size 38KB
          • SHA256 c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          NB4wr66jY4.exe
          • Path C:\Users\Admin\NB4wr66jY4.exe
          • Size 224KB
          • SHA256 b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          woudeb.exe
          • Path C:\Users\Admin\woudeb.exe
          • Size 224KB
          • SHA256 1a558f666dbe3d57a647037197b260f388e452e69050bd165e7cf6c7aac7e941
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/1164-64-0x0000000000400000-0x000000000040A000-memory.dmp
          Download

          memory/1164-76-0x0000000000400000-0x000000000040A000-memory.dmp
          Download

          memory/1164-70-0x0000000000400000-0x000000000040A000-memory.dmp
          Download

          memory/1164-69-0x0000000000400000-0x000000000040A000-memory.dmp
          Download

          memory/1916-58-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/1916-90-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/1916-53-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/1916-49-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/2168-82-0x0000000030670000-0x00000000306C7000-memory.dmp
          Download

          memory/2168-83-0x0000000000750000-0x0000000000850000-memory.dmp
          Download

          memory/2168-89-0x0000000030670000-0x00000000306C7000-memory.dmp
          Download

          memory/3408-94-0x0000000002580000-0x0000000002588000-memory.dmp
          Download

          memory/3692-65-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/3692-68-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/3692-59-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/3692-93-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/4896-57-0x0000000000400000-0x0000000000455000-memory.dmp
          Download

          memory/4896-92-0x0000000000400000-0x0000000000455000-memory.dmp
          Download

          memory/4896-52-0x0000000000400000-0x0000000000455000-memory.dmp
          Download

          memory/4896-61-0x0000000000400000-0x0000000000455000-memory.dmp
          Download