General

  • Target
    边界AI-Chat桌面版v1.3.1(windows端).exe
  • Size 168.4MB
  • Sample240519-eeb2wshb98
  • SHA256 77c6385d064b1053db2f29e83e6ea83a2c33098b34ae6c4508bf969a97ed7008
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      边界AI-Chat桌面版v1.3.1(windows端).exe
    • Size 168.4MB
    • SHA256 77c6385d064b1053db2f29e83e6ea83a2c33098b34ae6c4508bf969a97ed7008
    • MD5 SHA1 SHA512 SSDEEP
    • Detected Egregor ransomware

    • Egregor Ransomware

      Variant of the Sekhmet ransomware first seen in September 2020.

    • Checks computer location settings

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

    • 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.

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/UAC.dll
    • Size 14KB
    • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      LICENSES.chromium.html
    • Size 4.5MB
    • SHA256 03f1d245e6a2facca9edbdaad108169e0765dd9101875bc2d123797994b9e80f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      d3dcompiler_47.dll
    • Size 3.5MB
    • SHA256 2630f4188bd2ea5451ca61d83869bf7068a4f0440401c949a9feb9fb476e15df
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      ffmpeg.dll
    • Size 2.5MB
    • SHA256 81cab2e7ff56c8a06421419a2dac9481b87d5e50ef6f89a40e9de2d28d4998f2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      libEGL.dll
    • Size 358KB
    • SHA256 9322a0e0d0c8a8be035d29e581de402284ffba4d980806596dedbec7be8a08ca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      libGLESv2.dll
    • Size 6.3MB
    • SHA256 8b9571808714bcd01c3156c7cd254fad104797cbe1ff6c823677b713dcc352b2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      resources/app.asar.unpacked/node_modules/rcedit/bin/rcedit-x64.exe
    • Size 1.3MB
    • SHA256 b8dda19cd775798beeca7b4bf6fe2d27580d38d7d8c833ea173f7a1ba529d9cb
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      resources/app.asar.unpacked/node_modules/rcedit/bin/rcedit.exe
    • Size 933KB
    • SHA256 a4ccc63aa48137a1c05e9069c8f744103cb907593eb8f902d873bfceb19089eb
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      resources/app.asar.unpacked/node_modules/rcedit/lib/rcedit.js
    • Size 1KB
    • SHA256 6016ac90a9ade1085d5045f5b04acba6e75f16352a407989ca18f2e60054d1ff
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      resources/elevate.exe
    • Size 105KB
    • SHA256 9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      swiftshader/libEGL.dll
    • Size 379KB
    • SHA256 74f934004b27fa48154876bba8710e301c75aa3d9125e6180c4486b139159801
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      swiftshader/libGLESv2.dll
    • Size 2.7MB
    • SHA256 f3ed98d9c3e915b6c55bcb9a17e162134ce9897c5246110bc2955cac5851fe2a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      vk_swiftshader.dll
    • Size 3.7MB
    • SHA256 e481daf4a92f3b1e73ba4cd85546d561a21c214ef74bfedf9c8f87319857a83e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      vulkan-1.dll
    • Size 624KB
    • SHA256 3e04a5ad696827a41891bb61befd845004a0d0816832a69f070716c16e621803
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      边界AIChat桌面版.exe
    • Size 104.6MB
    • SHA256 b91d2184d5720ac3ac0811e398cfbd90285627469d5f6eaf6aceefdb9bdc6ea4
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Checks computer location settings

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

    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsProcess.dll
    • Size 4KB
    • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsis7z.dll
    • Size 424KB
    • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $R0/Uninstall 边界AIChat桌面版.exe
    • Size 168KB
    • SHA256 722393c5a1730457943b06c6bb506f7c039528e18833a648d3ded6bf71c788ea
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • NSIS Integrity Check function

      NSIS Susp.

    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/UAC.dll
    • Size 14KB
    • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsProcess.dll
    • Size 4KB
    • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks

static1

egregor
Score
10/10

behavioral1

egregordiscoveryransomware
Score
10/10

behavioral2

Score
3/10

behavioral3

Score
3/10

behavioral4

Score
3/10

behavioral5

Score
3/10

behavioral6

Score
1/10

behavioral7

Score
3/10

behavioral8

Score
1/10

behavioral9

Score
1/10

behavioral10

Score
3/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

execution
Score
3/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
3/10

behavioral18

Score
3/10

behavioral19

Score
7/10

behavioral20

Score
3/10

behavioral21

Score
3/10

behavioral22

Score
3/10

behavioral23

Score
3/10

behavioral24

Score
7/10

behavioral25

Score
3/10

behavioral26

Score
3/10

behavioral27

Score
3/10

behavioral28

Score
3/10

behavioral29

Score
3/10

behavioral30

Score
3/10

behavioral31

Score
3/10