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Analysis

  • max time kernel
    145s
  • max time network
    89s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 18:03

General

  • Target

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

  • Size

    669KB

  • MD5

    ead18f3a909685922d7213714ea9a183

  • SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

  • SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

  • SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • SSDEEP

    6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\45213741-f17f-4fe7-92ec-2b8c5f7fd5db" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:1240
    • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
      "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2364
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2364 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3104
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 1284
            5⤵
            • Program crash
            PID:4872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 1464
          4⤵
          • Program crash
          PID:1972
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 1008 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 1644
      2⤵
      • Program crash
      PID:3160
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1100 -ip 1100
    1⤵
      PID:4136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3104 -ip 3104
      1⤵
        PID:4084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2364 -ip 2364
        1⤵
          PID:4976

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        File and Directory Permissions Modification

        1
        T1222

        Modify Registry

        1
        T1112

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\45213741-f17f-4fe7-92ec-2b8c5f7fd5db\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          Filesize

          669KB

          MD5

          ead18f3a909685922d7213714ea9a183

          SHA1

          1270bd7fd62acc00447b30f066bb23f4745869bf

          SHA256

          5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

          SHA512

          6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

        • memory/1008-15-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/1008-12-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/1008-22-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/1008-14-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/1008-7-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/1100-4-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/1100-3-0x0000000000400000-0x0000000000476000-memory.dmp
          Filesize

          472KB

        • memory/1100-9-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/1100-10-0x0000000000400000-0x0000000000476000-memory.dmp
          Filesize

          472KB

        • memory/1100-0-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/1100-2-0x00000000004E0000-0x00000000005E0000-memory.dmp
          Filesize

          1024KB

        • memory/2364-28-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/2364-35-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/2364-21-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/2364-19-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/2364-16-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/3104-26-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/3104-33-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/3104-34-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/3108-17-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/3108-24-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB

        • memory/3108-29-0x0000000000400000-0x00000000004A9000-memory.dmp
          Filesize

          676KB