Overview

overview

9

Static

static

3

Kyrazon Setup.exe

windows7-x64

7

Kyrazon Setup.exe

windows10-2004-x64

9

$PLUGINSDI...er.dll

windows7-x64

3

$PLUGINSDI...er.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows7-x64

3

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

KyrazonGodot.exe

windows7-x64

1

KyrazonGodot.exe

windows10-2004-x64

9

LICENSES.c...m.html

windows7-x64

3

LICENSES.c...m.html

windows10-2004-x64

3

d3dcompiler_47.dll

windows10-2004-x64

1

ffmpeg.dll

windows7-x64

1

ffmpeg.dll

windows10-2004-x64

1

libEGL.dll

windows7-x64

1

libEGL.dll

windows10-2004-x64

1

libGLESv2.dll

windows7-x64

1

libGLESv2.dll

windows10-2004-x64

1

resources/...ut.exe

windows7-x64

3

resources/...ut.exe

windows10-2004-x64

3

resources/...uts.js

windows7-x64

3

resources/...uts.js

windows10-2004-x64

3

resources/elevate.exe

windows7-x64

3

resources/elevate.exe

windows10-2004-x64

3

vk_swiftshader.dll

windows7-x64

1

vk_swiftshader.dll

windows10-2004-x64

1

vulkan-1.dll

windows7-x64

1

vulkan-1.dll

windows10-2004-x64

1

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...7z.dll

windows7-x64

3

Sharing

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General

  • Target
    Kyrazon Setup.exe
  • Size 76.5MB
  • Sample240801-123zsaydpr
  • SHA256 c765f61cee33c326acc4ea19256267c35129a1ec7edb567fe0b5ed9a88e3d6b1
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
credential_accessdiscoveryexecutionspywarestealer

Malware Config

Targets

    • Target
      Kyrazon Setup.exe
    • Size 76.5MB
    • SHA256 c765f61cee33c326acc4ea19256267c35129a1ec7edb567fe0b5ed9a88e3d6b1
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    discoverycredential_accessexecutionspywarestealer

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • 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.

      spywarestealer

    • Checks installed software on the system

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

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2
    • Target
      $PLUGINSDIR/SpiderBanner.dll
    • Size 9KB
    • SHA256 35a523fe649201442c9fa00d875cf9acf8ced7c11347726cc0c6df5b0eda9f95
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral3behavioral4
    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 93KB
    • SHA256 c18b46a68436d164c964ba9b208e5c27ccc50e6a5a2db115e8fb086663b5308f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral5behavioral6
    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral7behavioral8
    • Target
      KyrazonGodot.exe
    • Size 164.7MB
    • SHA256 bd4e25e01de9ec86b4b55bde68a59f196ba4ad2f0889f3caf761a6d548027dd5
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    credential_accessdiscoveryexecutionspywarestealer

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • 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.

      spywarestealer

    • Legitimate hosting services abused for malware hosting/C2

    • Enumerates processes with tasklist

      discovery
    behavioral10behavioral9
    • Target
      LICENSES.chromium.html
    • Size 8.8MB
    • SHA256 6a717038f81271f62318212f00b1a2173b9cb0cc435f984710ac8355eb409081
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral11behavioral12
    • Target
      d3dcompiler_47.dll
    • Size 4.7MB
    • SHA256 7353f25dc5cf84d09894e3e0461cef0e56799adbc617fce37620ca67240b547d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral13
    • Target
      ffmpeg.dll
    • Size 2.8MB
    • SHA256 d863c8a26744703f2d12c674b45c87d8b34e21efce169d4797b57964d168b077
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral14behavioral15
    • Target
      libEGL.dll
    • Size 477KB
    • SHA256 662746a02930c151c5cab2b1167a56c6ca78b44028448fda91182147856edfed
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral16behavioral17
    • Target
      libGLESv2.dll
    • Size 7.3MB
    • SHA256 d5e1d7b8531a0f4ab576ba6f78d4c63b39186a2830d313c6695f0024c9ef627a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral18behavioral19
    • Target
      resources/app.asar.unpacked/node_modules/windows-shortcuts/lib/shortcut/Shortcut.exe
    • Size 56KB
    • SHA256 74cd07ef186d995ad75a0c2a153d1dd6f7b563987f5aa0fefef0a095708c02dd
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral20behavioral21
    • Target
      resources/app.asar.unpacked/node_modules/windows-shortcuts/lib/windows-shortcuts.js
    • Size 4KB
    • SHA256 acc3c7e29780aee7923b101855e25bd53cf6081f7553720f9dcefe6116ef891c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    execution
    behavioral22behavioral23
    • Target
      resources/elevate.exe
    • Size 105KB
    • SHA256 9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral24behavioral25
    • Target
      vk_swiftshader.dll
    • Size 4.9MB
    • SHA256 4488a958418227fbe6f64898c2f85eefd87fc9e46aea457233b38db8a86e944d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral26behavioral27
    • Target
      vulkan-1.dll
    • Size 931KB
    • SHA256 0d56a41bead58fd5fee44b2ee60485d4c80a3a639acc42cfc57c8e059078dfe0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral28behavioral29
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 e7b145abc7c519e6bd91dc06b7b83d1e73735ac1ac37d30a7889840a6eed38fc
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral30behavioral31
    • Target
      $PLUGINSDIR/nsis7z.dll
    • Size 436KB
    • SHA256 98f425f30e42e85f57e039356e30d929e878fdb551e67abfb9f71c31eeb5d44e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral32

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
3/10

behavioral1

discovery
Score
7/10

behavioral2

credential_accessdiscoveryexecutionspywarestealer
Score
9/10

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

Score
1/10

behavioral10

credential_accessdiscoveryexecutionspywarestealer
Score
9/10

behavioral11

discovery
Score
3/10

behavioral12

discovery
Score
3/10

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

Score
1/10

behavioral20

discovery
Score
3/10

behavioral21

discovery
Score
3/10

behavioral22

execution
Score
3/10

behavioral23

execution
Score
3/10

behavioral24

discovery
Score
3/10

behavioral25

discovery
Score
3/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

discovery
Score
3/10

behavioral31

discovery
Score
3/10

behavioral32

discovery
Score
3/10