General

  • Target
    DECODER.Setup.exe
  • Size 122.3MB
  • Sample260803-w697fahn6y
  • SHA256 77efde21ab601536cb4f9c9020e1f40da716dafcebf10551f04b6b9e682b24b6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      DECODER.Setup.exe
    • Size 122.3MB
    • SHA256 77efde21ab601536cb4f9c9020e1f40da716dafcebf10551f04b6b9e682b24b6
    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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
      DECODER.exe
    • Size 201.2MB
    • SHA256 de7e03b611a1d93bb7309d4ac710b04ade2c6fe36f6d348f300f2926e78e750d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • 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.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Target
      resources/app.asar.unpacked/node_modules/7zip-bin/index.js
    • Size 500B
    • SHA256 48659f660a13b5fa01622f87dc8a5306ce7c232abf93b82a3b2f6e94c2cf5c86
    • MD5 SHA1 SHA512 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
      resources/app.asar.unpacked/node_modules/7zip-bin/win/arm64/7za.exe
    • Size 1.0MB
    • SHA256 81f67048b7366870e5d49f00a8c570570c6a0dd11c05df7a09a8c52870cc83bd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      resources/app.asar.unpacked/node_modules/7zip-bin/win/ia32/7za.exe
    • Size 773KB
    • SHA256 31fd52f8996986623cf52c3b4d0f7ac74a9dec63fc16c902cef673eed550c435
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/7zip-bin/win/x64/7za.exe
    • Size 1.2MB
    • SHA256 b0cfdeaf429f5cc53f85123dd8f5a5feb92c19d31aa34df257edf9a26be05f95
    • 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
      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
      vk_swiftshader.dll
    • Size 5.4MB
    • SHA256 7b99480f8cea333545125f167e0328a6b98e0d33d5691da49fc2de3f501a49d4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vulkan-1.dll
    • Size 922KB
    • SHA256 16ebfc117f0da6fb0a81708b55c2014b0ef47c27105e47227f88fb290749a2f7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • 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/nsProcess.dll
    • Size 4KB
    • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
    • 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/nsis7z.dll
    • Size 424KB
    • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
    • 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
      $R0/Uninstall DECODER.exe
    • Size 298KB
    • SHA256 3146e112536dac403e3054d42e663ba7576051e9f575cfd2e98d0de4bd9708b5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to get system information.

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

defense_evasiondiscoveryexecutionspywarestealer
Score
7/10

behavioral2

adwaredefense_evasiondiscoveryexecutionpersistenceransomwarespywarestealer
Score
8/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

discovery
Score
3/10

behavioral8

discovery
Score
3/10

behavioral9

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

defense_evasiondiscoveryexecutionspywarestealer
Score
7/10

behavioral12

execution
Score
3/10

behavioral13

adwareexecutionpersistenceransomwarespyware
Score
8/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

discovery
Score
3/10

behavioral17

discovery
Score
3/10

behavioral18

Score
1/10

behavioral19

adwarepersistenceransomwarespyware
Score
8/10

behavioral20

discovery
Score
3/10

behavioral21

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral22

Score
1/10

behavioral23

Score
1/10

behavioral24

discovery
Score
3/10

behavioral25

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral26

discovery
Score
3/10

behavioral27

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral28

discovery
Score
3/10

behavioral29

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral30

defense_evasiondiscoveryexecution
Score
7/10

behavioral31

defense_evasiondiscoveryexecution
Score
7/10

behavioral32

discovery
Score
3/10