Overview

overview

7

Static

static

3

Skype7.exe

windows10-2004-x64

7

Skype7.exe

windows11-ltsc_2024-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    128s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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. 4 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 6 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:5116
    • C:\Users\Admin\AppData\Local\Temp\is-RNH3VXZDCY.tmp\Skype7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-RNH3VXZDCY.tmp\Skype7.tmp" /SL5="$7021E,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:4552
      • 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:1232

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        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

        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

        vcruntime140.dll
        • Path C:\Users\Admin\AppData\Local\Programs\Skype.dev\vcruntime140.dll
        • Size 81KB
        • SHA256 be38a38e22128af9a529af33d1f02dd24b2a344d29175939e229cf3a280673e4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Skype7.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\is-RNH3VXZDCY.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 b0147211a8a8cfe87f8dc49c157b23376496a5ee4d3a1e3b5b3cd396624af825
        • 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 cf6d1511134250d37dd6fff5c7246143f3af6940435033902c75ce24147173ae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        shared.xml
        • Path C:\Users\Admin\AppData\Roaming\Skype\shared.xml
        • Size 94B
        • SHA256 b6b2a6f4c409ac0a39bf18c1108acb6c6005493833f90718eed2df9ba938faad
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        shared.xml
        • Path C:\Users\Admin\AppData\Roaming\Skype\shared.xml
        • Size 304B
        • SHA256 436e4b4ab54942eff859091eefd5ad490a520a7e6aece33f6d44a5f8a432d817
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1232-235-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1232-234-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/1232-223-0x0000000000400000-0x0000000001E72000-memory.dmp
        Download

        memory/4552-172-0x0000000000D50000-0x000000000119C000-memory.dmp
        Download

        memory/4552-5-0x0000000000C60000-0x0000000000C61000-memory.dmp
        Download

        memory/4552-115-0x0000000000D50000-0x000000000119C000-memory.dmp
        Download

        memory/4552-116-0x0000000000C60000-0x0000000000C61000-memory.dmp
        Download

        memory/4552-140-0x0000000000D50000-0x000000000119C000-memory.dmp
        Download

        memory/4552-155-0x0000000000D50000-0x000000000119C000-memory.dmp
        Download

        memory/5116-0-0x0000000000E00000-0x0000000000EE9000-memory.dmp
        Download

        memory/5116-174-0x0000000000E00000-0x0000000000EE9000-memory.dmp
        Download

        memory/5116-173-0x0000000000E00000-0x0000000000EE9000-memory.dmp
        Download

        memory/5116-114-0x0000000000E00000-0x0000000000EE9000-memory.dmp
        Download