General

  • Target
    Nebula.rar
  • Size 91.2MB
  • Sample260730-prbxrsam9w
  • SHA256 8bd97b64e5038ea4c80bd14606e3a4cf61e5ab0842b91ca605fb4706dafce310
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Nebula.rar
    • Size 91.2MB
    • SHA256 8bd97b64e5038ea4c80bd14606e3a4cf61e5ab0842b91ca605fb4706dafce310
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Network Share Discovery

      Attempt to gather information on host network.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Target
      Nebula/Api/Injector.exe
    • Size 55KB
    • SHA256 8072938a42757db90032185c4890b011123da399c2505a7667a596126ebe9a89
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Nebula/Api/Module.dll
    • Size 51.6MB
    • SHA256 5386e6c997c9f1d82a58c33c298ebb32dd779742afe9c505756c02982bcf3dfc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Nebula/Microsoft.Web.WebView2.Core.dll
    • Size 897KB
    • SHA256 e03bb5fe022c17dd44a34a7a5c4475bf62b2ff0f3bb9d9c6a38bbedbef2d1970
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Nebula/Microsoft.Web.WebView2.WinForms.dll
    • Size 37KB
    • SHA256 1756a7c3bb7120248107060dc71ad261d9a78e0844d82c24f539fceb17f2a5de
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Nebula/Microsoft.Web.WebView2.Wpf.dll
    • Size 81KB
    • SHA256 c2054d668fc3b1f49915ba928550241038627150dc7624aff86c3f76b0f3eb84
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Nebula/Nebula.exe
    • Size 880KB
    • SHA256 6671967fc21b2af285032dc00260ecfa861611ff55ab35cbfc0d69a004701830
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Network Share Discovery

      Attempt to gather information on host network.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Target
      f_00000b
    • Size 870KB
    • SHA256 c9fc8d435c9c3e131d7aedb36923a5ef798c85412192ed2afd9c52dcfb826ff7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      f_000010
    • Size 300KB
    • SHA256 0f5e933d514bac9b3aedb577894bd99ef59f68d4867f152c1fe9a87de63e6ddc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      f_000014
    • Size 870KB
    • SHA256 c9fc8d435c9c3e131d7aedb36923a5ef798c85412192ed2afd9c52dcfb826ff7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Nebula/Nebula.exe.WebView2/EBWebView/Speech Recognition/1.15.0.1/Microsoft.CognitiveServices.Speech.core.dll
    • Size 2.6MB
    • SHA256 62a13d8459e0992c311dc3551bf3c2d1ce167ea7fa40f0ec62193f3bd760b36e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Nebula/Nebula.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.84/adblock_snippet.js
    • Size 2KB
    • SHA256 9aa899e0bf660ee8f894b97c28f05db06cc486915953b7f3b2ff9902fa8da690
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      Nebula/Nebula.exe.WebView2/EBWebView/WidevineCdm/4.10.3050.1/_platform_specific/win_x64/widevinecdm.dll
    • Size 21.6MB
    • SHA256 fbb1e66a39c6f502a97a55188b25d3b102341ff6bc49c4c37ab6ef48305650ed
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      adblock_snippet.js
    • Size 2KB
    • SHA256 9aa899e0bf660ee8f894b97c28f05db06cc486915953b7f3b2ff9902fa8da690
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      _platform_specific/win_x64/widevinecdm.dll
    • Size 21.6MB
    • SHA256 fbb1e66a39c6f502a97a55188b25d3b102341ff6bc49c4c37ab6ef48305650ed
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Nebula/monaco/editor.html
    • Size 44KB
    • SHA256 9a114e18895ec4342691f26dd9083405adaa8f60fd727cac433c9f2c5cca734a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Nebula/runtimes/win-arm64/native/WebView2Loader.dll
    • Size 147KB
    • SHA256 6fcb1c3fb95f350c3e5de0ede7dda94ce630f60699606a932c1f701fe4728542
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
5/10

behavioral1

defense_evasiondiscoverytrojan
Score
7/10

behavioral2

Score
1/10

behavioral3

Score
1/10

behavioral4

Score
1/10

behavioral5

Score
1/10

behavioral6

Score
1/10

behavioral7

Score
1/10

behavioral8

Score
1/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

defense_evasiondiscoverytrojan
Score
6/10

behavioral14

defense_evasiondiscoverytrojan
Score
6/10

behavioral15

execution
Score
3/10

behavioral16

execution
Score
3/10

behavioral17

execution
Score
3/10

behavioral18

execution
Score
3/10

behavioral19

execution
Score
3/10

behavioral20

execution
Score
3/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

execution
Score
3/10

behavioral24

execution
Score
3/10

behavioral25

Score
1/10

behavioral26

execution
Score
3/10

behavioral27

execution
Score
3/10

behavioral28

Score
1/10

behavioral29

discovery
Score
3/10

behavioral30

discovery
Score
3/10

behavioral31

Score
1/10

behavioral32

Score
1/10