General

  • Target
    StaffActivityMonitor-Setup.exe
  • Size 74.7MB
  • Sample260724-vfcyksvake
  • SHA256 fbbb441e8ec6d81b5abbe7aebead876974c521353f81224add87e54c19ffb94f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      StaffActivityMonitor-Setup.exe
    • Size 74.7MB
    • SHA256 fbbb441e8ec6d81b5abbe7aebead876974c521353f81224add87e54c19ffb94f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Target
      $PLUGINSDIR/SpiderBanner.dll
    • Size 9KB
    • SHA256 996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      LICENSES.chromium.html
    • Size 9.0MB
    • SHA256 dc2878d9bf6ef5fca45737536272a7a1877e0c6f89cb9578cb0f956781102986
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      StaffActivityMonitor.exe
    • Size 172.5MB
    • SHA256 a7309776d1577d489fbf0975776cd0991bb8746f295fceb78efb614f9cc20846
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      d3dcompiler_47.dll
    • Size 4.7MB
    • SHA256 af7b99be1b8770c0e4d18e43b04e81d11bdeb667fa6b07ade7a88f4c5676bf9a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ffmpeg.dll
    • Size 2.6MB
    • SHA256 113ccc8e701157d0d59283baa5dc1fd3b0eae2571fd825084d7a4d58697a5ec2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libEGL.dll
    • Size 470KB
    • SHA256 01b8a8c2875ecb9979de339500ce0e0b7ecc3c5387053ce27bea51e6a09e2d72
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libGLESv2.dll
    • Size 7.7MB
    • SHA256 fb6ea924fbb9417e4695ce414cdcbc299f13451dbedd2d9adb55479bf1cbf57f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/app.asar
    • Size 19KB
    • SHA256 6516153b9a5a9624b860ca2130a0a16a262c9603bf8d7fa41364d0ef95c9bbd7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/lib/scan.ps1
    • Size 4KB
    • SHA256 a9954765a30217034826bc89151ce80abdfeb73708b04c858d62379f73b51771
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/elevate.exe
    • Size 105KB
    • SHA256 9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/task-setup.ps1
    • Size 1KB
    • SHA256 9dd58d64a86dbced94c08edfff00eaf9a93556c8f86202293bff4125c66e72e1
    • MD5 SHA1 SHA512 TLSH
    Score
    6/10
    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Target
      vk_swiftshader.dll
    • Size 5.2MB
    • SHA256 7005598f9bb8559101458ddaac77e3a23f9876c0a1aaf7136a11f2d1d5173448
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vulkan-1.dll
    • Size 938KB
    • SHA256 45adc3dac19684ed3af159ae3914fbbf2426a879e5a4c1e678e3c9b451fab01a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsProcess.dll
    • Size 4KB
    • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsis7z.dll
    • Size 424KB
    • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $R0/Uninstall StaffActivityMonitor.exe
    • Size 146KB
    • SHA256 4e628c9b9ea8e831000900caedc4e5dbb926cf2bd41dbb7c8bf83ae0d9eb3646
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/UAC.dll
    • Size 14KB
    • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsProcess.dll
    • Size 4KB
    • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

discoveryexecution
Score
7/10

behavioral2

discovery
Score
3/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

discoveryexecutionpersistenceransomware
Score
8/10

behavioral8

Score
1/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

execution
Score
3/10

behavioral13

execution
Score
3/10

behavioral14

discovery
Score
3/10

behavioral15

execution
Score
6/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

discovery
Score
3/10

behavioral19

discovery
Score
3/10

behavioral20

discovery
Score
3/10

behavioral21

discoveryexecution
Score
7/10

behavioral22

discovery
Score
3/10

behavioral23

discovery
Score
3/10

behavioral24

discovery
Score
3/10

behavioral25

discovery
Score
3/10

behavioral26

discovery
Score
3/10

behavioral27

discovery
Score
3/10