Overview

overview

7

Static

static

3

Skype7.exe

windows10-2004-x64

7

Skype7.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 12:58

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General

  • Target
    Skype7.exe
  • Size 38.2MB
  • Sample260809-p7vpta1xcs
  • SHA256 b1d1c996b26e4e4b31d8f3b30408d5b61d57f7a1696b51664f5ba9de1b14fedd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryinstaller

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 10 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

    installer
  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 15 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Skype7.exe
    "C:\Users\Admin\AppData\Local\Temp\Skype7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:248
    • C:\Users\Admin\AppData\Local\Temp\is-T4JLW5IKWG.tmp\Skype7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T4JLW5IKWG.tmp\Skype7.tmp" /SL5="$502CC,38803293,893952,C:\Users\Admin\AppData\Local\Temp\Skype7.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Users\Admin\AppData\Local\Programs\Skype.dev\Skype.exe
        "C:\Users\Admin\AppData\Local\Programs\Skype.dev\Skype.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:1088

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RtmCodecs.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\RtmCodecs.dll
        • Size 2.0MB
        • SHA256 6de9ac4b4cb62a2c5d20c0f21b19659bca46152832c56d99bd79d63e9cfc6945
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RtmMediaManager.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\RtmMediaManager.dll
        • Size 747KB
        • SHA256 1b243a01eef280a8f53b8298edea106296186156bbfeb4d2380b029ca3b1259c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RtmPal.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\RtmPal.dll
        • Size 301KB
        • SHA256 6ed938afb3e393ea1fb9cad22bb1a6cbdaed1c7c7f3b469ed8ed86a4bab47af2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RtmPltfm.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\RtmPltfm.dll
        • Size 8.7MB
        • SHA256 78f4f0eab4f934a94aa6020714e74248774e7e982be68889ddab7ddf50b5252b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Skype.exe
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\Skype.exe
        • Size 26.3MB
        • SHA256 af5608f160cf10127de4110db1b0f6f4fa63596b160cd55ba46c09bdfe8c48cf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SkypeResources.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\SkypeResources.dll
        • Size 15.3MB
        • SHA256 454b1e74a734491cb48ae128c2a343c803e7299b90925a57c42201ba4fd6cb8b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SkypeSkylib.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\SkypeSkylib.dll
        • Size 26.2MB
        • SHA256 32a4e6fb0ea3beef8e7759ab477edefc02bbc314ddc860df146945a067130275
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\VCRUNTIME140.dll
        • Size 81KB
        • SHA256 be38a38e22128af9a529af33d1f02dd24b2a344d29175939e229cf3a280673e4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        d3d9.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\d3d9.dll
        • Size 66KB
        • SHA256 8374e41fe52c959220a313241da4e7a05af7cf7810a4a796bdbd9bdb353c7653
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        msvcp140.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\msvcp140.dll
        • Size 429KB
        • SHA256 bbecdfda2551b01aa16005c88305982c360a9fb9ba3d9be2fb15f2e9c6eb809f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        skypert.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\skypert.dll
        • Size 1.9MB
        • SHA256 7e384d137a057bb7d70607f4a6a9f4a6ff3ecca0894d35de8f762f8df6f239da
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ssScreenVVS2.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\ssScreenVVS2.dll
        • Size 52KB
        • SHA256 c748224b805098a179919c8c52c0b1acb28dbb26e6bc428576d5e75e2d69c71a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Skype7.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\is-T4JLW5IKWG.tmp\Skype7.tmp
        • Size 4.2MB
        • SHA256 9f174c461013766fcdd501c20e5cf1414cd8a441c1a2ca8e9ef44699cf1a8037
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        74ea779831912e30.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74ea779831912e30.customDestinations-ms
        • Size 1KB
        • SHA256 fdc496c9cf11b404d477aa27e0883598e44378d4755b82ec2b748e48707e5b26
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        74ea779831912e30.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74ea779831912e30.customDestinations-ms
        • Size 1KB
        • SHA256 c44afbba4b95a4d90fed8de0b4ac1c51867ed12364aafae91d95b6139d3f21ed
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        shared.xml
        • Path C:\Users\Admin\AppData\Roaming\Skype\shared.xml
        • Size 94B
        • SHA256 271f447400c8d27125940b1d87568566439f0659a7c2d4fa00949b3efe3f56ec
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        shared.xml
        • Path C:\Users\Admin\AppData\Roaming\Skype\shared.xml
        • Size 662B
        • SHA256 cb1dbe91a10d3fdf4cee5c67ae638f4ea12fbb28af4d503abaa545cc9faaeed1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/248-1-0x0000000000D70000-0x0000000000E59000-memory.dmp
        Download

        memory/248-159-0x0000000000D70000-0x0000000000E59000-memory.dmp
        Download

        memory/248-8-0x0000000000D70000-0x0000000000E59000-memory.dmp
        Download

        memory/1088-224-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-228-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-231-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-230-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-204-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-229-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-227-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-217-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-218-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-220-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1088-225-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/4416-121-0x0000000000170000-0x00000000005BC000-memory.dmp
        Download

        memory/4416-12-0x0000000000170000-0x00000000005BC000-memory.dmp
        Download

        memory/4416-6-0x0000000002770000-0x0000000002771000-memory.dmp
        Download

        memory/4416-155-0x0000000000170000-0x00000000005BC000-memory.dmp
        Download

        memory/4416-9-0x0000000000170000-0x00000000005BC000-memory.dmp
        Download

        memory/4416-10-0x0000000002770000-0x0000000002771000-memory.dmp
        Download