Overview

overview

10

Static

static

3

Epsilon.exe

windows10-2004-x64

10

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Epsilon.exe

windows10-2004-x64

10

LICENSES.c...m.html

windows10-2004-x64

1

d3dcompiler_47.dll

windows10-2004-x64

1

ffmpeg.dll

windows10-2004-x64

1

libEGL.dll

windows10-2004-x64

1

libGLESv2.dll

windows10-2004-x64

1

resources/...dex.js

windows10-2004-x64

1

resources/....2.bat

windows10-2004-x64

7

resources/elevate.exe

windows10-2004-x64

1

swiftshade...GL.dll

windows10-2004-x64

1

swiftshade...v2.dll

windows10-2004-x64

1

vk_swiftshader.dll

windows10-2004-x64

1

vulkan-1.dll

windows10-2004-x64

1

$PLUGINSDI...7z.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    Epsilon.exe

  • Size

    59.6MB

  • Sample

    240407-3va2jaac2w

  • MD5

    3147e6ce507873e48d1fcd9b158fbbff

  • SHA1

    548f9aa96ff482356b82f04251111e99c3e12fdd

  • SHA256

    b0dd070d0e4961bc47b4623271a6d89377ea95a55d7e6c4a73ce29eb9d847355

  • SHA512

    5e1493e41d7e16a5eb13776660c7ad6daed3df0462b8089ff60cb6179eebdfdbcdec4586efc06cdb838103c5cd04cbc2cb41392c4088afaaae1adf58a349e576

  • SSDEEP

    1572864:Mx7ZWMH3S5LJcvzknId6o2JZ5Mp+INHy8:W70MS5LuP2JZmQOy8

Score
10/10
epsilonpersistencespywarestealer

Malware Config

Targets

    • Target

      Epsilon.exe

    • Size

      59.6MB

    • MD5

      3147e6ce507873e48d1fcd9b158fbbff

    • SHA1

      548f9aa96ff482356b82f04251111e99c3e12fdd

    • SHA256

      b0dd070d0e4961bc47b4623271a6d89377ea95a55d7e6c4a73ce29eb9d847355

    • SHA512

      5e1493e41d7e16a5eb13776660c7ad6daed3df0462b8089ff60cb6179eebdfdbcdec4586efc06cdb838103c5cd04cbc2cb41392c4088afaaae1adf58a349e576

    • SSDEEP

      1572864:Mx7ZWMH3S5LJcvzknId6o2JZ5Mp+INHy8:W70MS5LuP2JZmQOy8

    Score
    10/10
    epsilonpersistencespywarestealer

    • Epsilon Stealer

      Information stealer.

      stealerepsilon

    • Checks computer location settings

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

    • 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

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1

    • Target

      $PLUGINSDIR/StdUtils.dll

    • Size

      100KB

    • MD5

      c6a6e03f77c313b267498515488c5740

    • SHA1

      3d49fc2784b9450962ed6b82b46e9c3c957d7c15

    • SHA256

      b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

    • SHA512

      9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

    • SSDEEP

      3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v

    Score
    3/10
    behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

    • SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

    • SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    • SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • SSDEEP

      192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

    Score
    3/10
    behavioral3

    • Target

      Epsilon.exe

    • Size

      133.4MB

    • MD5

      d8d4d2a04388a4b52f0c5ec2da7a0e72

    • SHA1

      8553a159e9cdf5a5dbad04dd2fe954fcc2fc559b

    • SHA256

      7ee7a631b7d502a7c0058cfa8e51f2773894e7fbfb822fe3807688834499937b

    • SHA512

      e3dbd5598119bd9daf526a8214a996519a7d99287111e28027da81ef93904f5e2222b9510a8d6ff3d6da38702a8c5011c5ba19adfe26723ef6168a5706f0bd09

    • SSDEEP

      1572864:o2HVo9Ck+yOBBdJAVwlymAETslfp409t:29Ctx3tu

    Score
    10/10
    epsilonpersistencespywarestealer

    • Epsilon Stealer

      Information stealer.

      stealerepsilon

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral4

    • Target

      LICENSES.chromium.html

    • Size

      5.2MB

    • MD5

      4247afa6679602da138e41886bcf27da

    • SHA1

      3bb8c83dc9d5592119675e67595b294211ddbf6e

    • SHA256

      bf59a74b4404aa0c893ca8bbe636498629b6a3acdff4acb84de692462fd626e4

    • SHA512

      ad3103f7fd32f0ec652bc7fcb8c303796367292a366037acad8e1312775cdd92c2f36ed8c34a809251ad044508e1e7579b79847de61025baf8bda5ad578a0330

    • SSDEEP

      12288:/7etnqnVnMnBnunQ9RBvjYJEi400/Q599b769B9UOE6MwMGucMEbHDuX0YnpWQZG:sPMM5FaWStHvmUKItmfDTeHiVQZp4

    Score
    1/10
    behavioral5

    • Target

      d3dcompiler_47.dll

    • Size

      4.3MB

    • MD5

      7641e39b7da4077084d2afe7c31032e0

    • SHA1

      2256644f69435ff2fee76deb04d918083960d1eb

    • SHA256

      44422e6936dc72b7ac5ed16bb8bcae164b7554513e52efb66a3e942cec328a47

    • SHA512

      8010e1cb17fa18bbf72d8344e1d63ded7cef7be6e7c13434fa6d8e22ce1d58a4d426959bdcb031502d4b145e29cb111af929fcbc66001111fbc6d7a19e8800a5

    • SSDEEP

      49152:aYlc/220PPiMLKam+VMrLi21f4i3jn5ZO3XUDmOZQwVd2uQpN3WsGVUWd55i/jrs:a6KD2Mrdaix4NQnLt

    Score
    1/10
    behavioral6

    • Target

      ffmpeg.dll

    • Size

      2.6MB

    • MD5

      7977f3720aa86e0ec2ad2de44ad42004

    • SHA1

      04a4ef5ccd72aa5d050cc606a7597a3b388c6400

    • SHA256

      61c6bd5fee2c150265241a15379c4053b174b1cd7687749629afcdbd1264a02e

    • SHA512

      8ef3b8f506b5ad7241b96d381a501033266358fb3756a457c46ed499547db1232012f849838e65f916129fab1a0d74711e9851b8e0669831acbbf4c3494e492d

    • SSDEEP

      49152:baOoZks54czfQNk9GSQABmZuZgAp1iJxgG1broIhj4OxSZpSq:it59uEBm8geZz

    Score
    1/10
    behavioral7

    • Target

      libEGL.dll

    • Size

      431KB

    • MD5

      7b77074945dfe5cf0b1c5a3748058d57

    • SHA1

      fdea507ac2be491b8ad24ddc1030ea9980c94c0d

    • SHA256

      994972c1bc515c199552d50e97ad217ae15a3eed16db06181c7df50e743e8a56

    • SHA512

      d637b2c7d75723601af099317a39820d3edbd3cea1e1cb20b702deb6ca7fdb0b67e1351cc8fee1c7badff957fffb848a8dce18bb25bfd60c81a588da4f68c1fd

    • SSDEEP

      6144:QpKolEK3EyQVAZvhnzGtMY+3lnLdYcUpwOXW4IUo+lTsRLVDc2/:QBl1EyyAZvJWM936wOJTWVDc

    Score
    1/10
    behavioral8

    • Target

      libGLESv2.dll

    • Size

      7.6MB

    • MD5

      8c93e19281992a00993fc0f09e272917

    • SHA1

      3a2d12bc85f829775ec8c5c1f8e35a783d37b7a7

    • SHA256

      1ebc1da8d7e463a5d3dc127a632989ef35cfbd94cb18bf1f8ee790f172d43703

    • SHA512

      c4ec65378d83e6645c9128825853de2d3e82c0f430cd28fdc761eaf2d011267c3794b7c1dcef017750323873d7fe976656eebf9ed7c03582741d43738f3e0c7c

    • SSDEEP

      49152:BIgJiNu/CVyS4I+K/UGG7ftgIj4RBrGW+T54vwjKxH33yjsMfRJvLnLBXonnMl9W:mNyUxGDahRNR6gyxQi4Mn0YJ4/qamG

    Score
    1/10
    behavioral9

    • Target

      resources/app.asar.unpacked/node_modules/screenshot-desktop/lib/win32/index.js

    • Size

      3KB

    • MD5

      d226502c9bf2ae0a7f029bd7930be88e

    • SHA1

      6be773fb30c7693b338f7c911b253e4f430c2f9b

    • SHA256

      77a3965315946a325ddcf0709d927ba72aa47f889976cbccf567c76cc545159f

    • SHA512

      93f3d885dad1540b1f721894209cb7f164f0f6f92857d713438e0ce685fc5ee1fc94eb27296462cdeede49b30af8bf089a1fc2a34f8577479645d556aaac2f8e

    Score
    1/10
    behavioral10

    • Target

      resources/app.asar.unpacked/node_modules/screenshot-desktop/lib/win32/screenCapture_1.3.2.bat

    • Size

      13KB

    • MD5

      da0f40d84d72ae3e9324ad9a040a2e58

    • SHA1

      4ca7f6f90fb67dce8470b67010aa19aa0fd6253f

    • SHA256

      818350a4fb4146072a25f0467c5c99571c854d58bec30330e7db343bceca008b

    • SHA512

      30b7d4921f39c2601d94a3e3bb0e3be79b4b7b505e52523d2562f2e2f32154d555a593df87a71cddb61b98403265f42e0d6705950b37a155dc1d64113c719fd9

    • SSDEEP

      384:4cr8sEcBeIXxqXhQsBxf5oBLBfXQM8ybCpGW1KTM+:4KEcRQBTxWlPZxWpG+Qx

    Score
    7/10

    • Executes dropped EXE

    behavioral11

    • Target

      resources/elevate.exe

    • Size

      105KB

    • MD5

      792b92c8ad13c46f27c7ced0810694df

    • SHA1

      d8d449b92de20a57df722df46435ba4553ecc802

    • SHA256

      9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37

    • SHA512

      6c247254dc18ed81213a978cce2e321d6692848c64307097d2c43432a42f4f4f6d3cf22fb92610dfa8b7b16a5f1d94e9017cf64f88f2d08e79c0fe71a9121e40

    • SSDEEP

      3072:1bLnrwQoRDtdMMgSXiFJWcIgUVCfRjV/GrWl:1PrwRhte1XsE1l

    Score
    1/10
    behavioral12

    • Target

      swiftshader/libEGL.dll

    • Size

      445KB

    • MD5

      be1b6fe26a1b5a3e1302c26ce5ce53f3

    • SHA1

      c3cac08e89c4cc91eae1cc87e33a1dea723f1d78

    • SHA256

      162abe61314e720384d8cdd43190a89df8a96de52f3ede7b6c58998f615d8546

    • SHA512

      07dca111391dfb6b7e90d4be02071bc625128eeca0b9d9a3cebdc7916baec9f95cbbf906f2533befd6b62b9bbc69488ffa720f8d40c9710dd3b7d540d9dcaa55

    • SSDEEP

      6144:NldwaUBIAHXboKn7YsGfJjjvQppfSH6RdW8wrpGLVgf8q:JWIsXboKnMAfSHChgUq

    Score
    1/10
    behavioral13

    • Target

      swiftshader/libGLESv2.dll

    • Size

      3.0MB

    • MD5

      1e401ccda5b723ab8a595a54f7d2531c

    • SHA1

      127716680dd16f776b19c2306d716935e54c5100

    • SHA256

      c167a458174e2a280c39d7af31bd109e8e2921032a687097b584653adc33ab21

    • SHA512

      1f2f35021f338aa7c5a0ae83c196217fbca6b1d017ac1bb4f1eebb93bd6e18c5d74c1a14bd4899d7a91d054b0139b2c4fc3271c35148ad1d8b71139aff0132fc

    • SSDEEP

      49152:8NF/tcKnjh4NDNR32u7X5f2yRwT6mcavJ9BtCCp5kVtjjFCo5Z5UbNyJzSZ85C5c:8NIaqrNONEniz7P

    Score
    1/10
    behavioral14

    • Target

      vk_swiftshader.dll

    • Size

      4.3MB

    • MD5

      77f7b4f46cb3e06b53729fd1e562dfef

    • SHA1

      223c09805220ff2b5c1dcbdd5c0396231ea34f11

    • SHA256

      a648cd4671b12b469c4d2de20c2ba2429c9388c0f9d4b3d9d2244853d0e5acb5

    • SHA512

      6be9afda9320074c5842419cf8493d715ca65a3362d368d3a35e35a47d36f8197b0f19877485b41a06e21148613a77bb6275b0586c4a38da8a25efe6b5a6b571

    • SSDEEP

      49152:ImuXbIxohwCWtm32rw3lYIDkhUw2B2w/XBnbtZNDNHI6iBewVqlnrSrMrXHYtvQi:Ca9dCeKOB

    Score
    1/10
    behavioral15

    • Target

      vulkan-1.dll

    • Size

      715KB

    • MD5

      25afbdf6701013c57b19b92225920915

    • SHA1

      009300dd4ab3b81794388ce7d126ae90ff97535f

    • SHA256

      22bb65dd206ce7ee10c05557933a04a04144e1a8228d2a9d1e9d704b0b1b2f7c

    • SHA512

      575e38b60948cb704c355ba9cf3457f2693c30f95e85f10f795e759652bf4317e18ba480bee8aafcea9108415e8e58f674b22c7513a9fabee765142486919a0e

    • SSDEEP

      12288:oYa8yQ628GMAhXhpt1o9Sc4irKabLqYz/oD4C56:ZgQ6jHAhx71o9WirKaqYDa

    Score
    1/10
    behavioral16

    • Target

      $PLUGINSDIR/nsis7z.dll

    • Size

      424KB

    • MD5

      80e44ce4895304c6a3a831310fbf8cd0

    • SHA1

      36bd49ae21c460be5753a904b4501f1abca53508

    • SHA256

      b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592

    • SHA512

      c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df

    • SSDEEP

      6144:aUWQQ5O3fz0NG3ucDaEUTWfk+ZA0NrCL/k+uyoyBOX1okfW7w+Pfzqibckl:an5QEG39fPAkrE4yrBOXDfaNbck

    Score
    3/10
    behavioral17

MITRE ATT&CK Enterprise v15

Tasks