General

  • Target
    rusht-Installer-Wizard-1.4.2.exe
  • Size 75.8MB
  • Sample260623-qtfjeadt2v
  • SHA256 e314659cd43f9c117e2cf401510f25f5c06b7ccde6b617fb2c3c059449508be0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      rusht-Installer-Wizard-1.4.2.exe
    • Size 75.8MB
    • SHA256 e314659cd43f9c117e2cf401510f25f5c06b7ccde6b617fb2c3c059449508be0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

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

    • Drops file in System32 directory

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • 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.

    • Enumerates connected drives

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

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      LICENSES.chromium.html
    • Size 8.7MB
    • SHA256 000ae5775ffa701d57afe7ac3831b76799e8250a2d0c328d1785cba935aab38d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      d3dcompiler_47.dll
    • Size 4.7MB
    • SHA256 7353f25dc5cf84d09894e3e0461cef0e56799adbc617fce37620ca67240b547d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      dxcompiler.dll
    • Size 20.8MB
    • SHA256 51952faea76a3c913a021899d891b6cc1c6f924a980da6b664e4b662de9d353d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      dxil.dll
    • Size 1.4MB
    • SHA256 47ffdbd85438891b7963408ea26151ba26ae1b303bbdab3a55f0f11056085893
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      ffmpeg.dll
    • Size 2.7MB
    • SHA256 e85618dfe2a1b2c20174f8e628e9d542065ba73ef257ad6a2bceaabacb9e3dc8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libEGL.dll
    • Size 467KB
    • SHA256 337b7e187c7ea739032380d3a9d1f50e29761562ca9475836b36a42e3dbc9fa5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      libGLESv2.dll
    • Size 7.4MB
    • SHA256 2ffccd773bac3e3c5cc9e3a43f89deba8456f2bcaba85496af7013445b413f2d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/app.asar.unpacked/node_modules/@primno/dpapi/dist/index.js
    • Size 412B
    • SHA256 a7ff0225cb5ebcbef8499c6c8ac2be924f584eb375dacb1d8bd3dc6540b510f2
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/@primno/dpapi/prebuilds/win32-x64/node.napi.node
    • Size 137KB
    • SHA256 da2172ce055fa47d6a0ea1c90654f530abed33f69a74d52fab06c4c7653b48fd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/elevate.exe
    • Size 105KB
    • SHA256 9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
    • 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.

    • Enumerates connected drives

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

    • Target
      rusht.exe
    • Size 168.5MB
    • SHA256 b7763ef37ef84ae9b5353c6889dd0bad266a0d433b85a5581d3e66536de65ccd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

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

    • Drops file in System32 directory

    • Target
      vk_swiftshader.dll
    • Size 5.0MB
    • SHA256 9068181e7a22521e9d908aeaed2d3a0171437fe4581de65982e2a47bc0dc1408
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vulkan-1.dll
    • Size 925KB
    • SHA256 6008f82da0997edb4f0ed2fa5818e3c993aac82d58b12174d5b204ca00e3fba3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      $PLUGINSDIR/nsis7z.dll
    • Size 424KB
    • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

defense_evasiondiscoveryexecutionpersistencespywarestealer
Score
7/10

behavioral2

defense_evasiondiscoveryexecutionpersistencespywarestealer
Score
7/10

behavioral3

discovery
Score
3/10

behavioral4

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

discovery
Score
3/10

behavioral8

discovery
Score
4/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

execution
Score
3/10

behavioral20

execution
Score
3/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

discovery
Score
3/10

behavioral24

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral25

defense_evasionexecutionpersistencespywarestealer
Score
7/10

behavioral26

defense_evasionexecutionpersistencespywarestealer
Score
7/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

discovery
Score
3/10

behavioral32

discovery
Score
3/10