Overview

overview

7

Static

static

3

VirusShare...56.exe

windows7-x64

7

VirusShare...56.exe

windows10-2004-x64

7

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...is.dll

windows7-x64

3

$PLUGINSDI...is.dll

windows10-2004-x64

3

ffTrustMed...ion.js

windows7-x64

1

ffTrustMed...ion.js

windows10-2004-x64

1

ff/chrome/...078.js

windows7-x64

1

ff/chrome/...078.js

windows10-2004-x64

1

ff/chrome/...ion.js

windows7-x64

1

ff/chrome/...ion.js

windows10-2004-x64

1

ie/TrustMe...78.dll

windows7-x64

6

ie/TrustMe...78.dll

windows10-2004-x64

6

ie/TrustMe...64.dll

windows7-x64

7

ie/TrustMe...64.dll

windows10-2004-x64

7

uninstall.exe

windows7-x64

7

uninstall.exe

windows10-2004-x64

7

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...is.dll

windows7-x64

3

$PLUGINSDI...is.dll

windows10-2004-x64

3

Analysis

  • max time kernel
    121s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 16:04

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General

  • Target
    VirusShare_4d6090def7468fc02c70c203a9894256.exe
  • Size 689KB
  • Sample240204-th8btsdfh5
  • SHA256 3e1215be235134c2dd181f595cda96436fb66773415856845f21497d1eae0183
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
adwarediscoverypersistencespywarestealer

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Registers COM server for autorun 1 TTPs 3 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 6 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 23 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 56 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VirusShare_4d6090def7468fc02c70c203a9894256.exe
    "C:\Users\Admin\AppData\Local\Temp\VirusShare_4d6090def7468fc02c70c203a9894256.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 "C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha1078\ie\TrustMediaViewerV1alpha1078.dll" /s
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:1124
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha1078\ie\TrustMediaViewerV1alpha1078x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha1078\ie\TrustMediaViewerV1alpha1078x64.dll"
        3⤵
        • Loads dropped DLL
        • Registers COM server for autorun
        • Installs/modifies Browser Helper Object
        • Modifies registry class
        PID:64
    • C:\Windows\SysWOW64\gpupdate.exe
      "C:\Windows\System32\gpupdate.exe" /force
      2⤵
        PID:2508
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4700
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
        1⤵
          PID:1740

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              TrustMediaViewerV1alpha1078.dll
              • Path C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha1078\ie\TrustMediaViewerV1alpha1078.dll
              • Size 85KB
              • SHA256 cb761a7ab59975bd000a3acf8ff9a7e03b6ef9e5f2e5595861546f9b4b124e9c
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              TrustMediaViewerV1alpha1078x64.dll
              • Path C:\Program Files (x86)\TrustMediaViewerV1\TrustMediaViewerV1alpha1078\ie\TrustMediaViewerV1alpha1078x64.dll
              • Size 100KB
              • SHA256 2071ca0bef94f66ed5851180fbdb18bd484aac2fccc3a10b56171e6911ddc388
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              System.dll
              • Path C:\Users\Admin\AppData\Local\Temp\nsh4BB0.tmp\System.dll
              • Size 11KB
              • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              aminsis.dll
              • Path C:\Users\Admin\AppData\Local\Temp\nsh4BB0.tmp\aminsis.dll
              • Size 567KB
              • SHA256 e78e0e61707cabec8383f1e74da9db8e0fa123a3a7b36f0080d70fbaed6f7453
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download