Overview

overview

10

Static

static

3

WindowsHos...er.exe

windows10-2004-x64

10

WindowsHos...er.exe

windows11-21h2-x64

10

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows11-21h2-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-21h2-x64

3

resources/...e3.dll

windows10-2004-x64

1

resources/...e3.dll

windows11-21h2-x64

1

resources/...opy.js

windows10-2004-x64

3

resources/...opy.js

windows11-21h2-x64

3

resources/...oad.sh

ubuntu-18.04-amd64

7

resources/...oad.sh

debian-9-armhf

4

resources/...oad.sh

debian-9-mips

3

resources/...oad.sh

debian-9-mipsel

3

resources/...ase.js

windows10-2004-x64

3

resources/...ase.js

windows11-21h2-x64

3

resources/...dex.js

windows10-2004-x64

3

resources/...dex.js

windows11-21h2-x64

3

resources/...ate.js

windows10-2004-x64

3

resources/...ate.js

windows11-21h2-x64

3

resources/...kup.js

windows10-2004-x64

3

resources/...kup.js

windows11-21h2-x64

3

resources/...ion.js

windows10-2004-x64

3

resources/...ion.js

windows11-21h2-x64

3

resources/...ect.js

windows10-2004-x64

3

resources/...ect.js

windows11-21h2-x64

3

resources/...gma.js

windows10-2004-x64

3

resources/...gma.js

windows11-21h2-x64

3

resources/...ize.js

windows10-2004-x64

3

resources/...ize.js

windows11-21h2-x64

3

resources/...ble.js

windows10-2004-x64

3

resources/...ble.js

windows11-21h2-x64

3

Sharing

Copy URL Twitter E-mail

General

  • Target
    WindowsHostHandler.exe
  • Size 78.9MB
  • Sample250511-2wva5awjv3
  • SHA256 7c4e1743e5d93fedb92abaf0cacf7add556b1e621f4a98eb765341760d968265
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
epsilonantivmcredential_accessdefense_evasiondiscoveryexecutionlinuxspywarestealer

Malware Config

Targets

    • Target
      WindowsHostHandler.exe
    • Size 78.9MB
    • SHA256 7c4e1743e5d93fedb92abaf0cacf7add556b1e621f4a98eb765341760d968265
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    epsiloncredential_accessdefense_evasiondiscoveryexecutionspywarestealer

    • Epsilon Stealer

      Information stealer.

      stealerepsilon

    • Epsilon family

      epsilon

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

      credential_accessstealer

    • 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

    • Looks up external IP address via web service

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

    behavioral1behavioral2
    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral3behavioral4
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    discovery
    behavioral5behavioral6
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/build/Release/better_sqlite3.node
    • Size 1.6MB
    • SHA256 796efb543f9522e463b18353588e92cff937e800205d6becc92ac7cb901e22b5
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral7behavioral8
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/deps/copy.js
    • Size 897B
    • SHA256 05a2bd41dbd96e33e2fc6cf4bcbc722b4bc8c529813b882f92113d7dbbbece67
    • MD5 SHA1 SHA512
    Score
    3/10
    execution
    behavioral10behavioral9
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/deps/download.sh
    • Size 3KB
    • SHA256 274cb7021e5f631e7d91f0c0d0e0f001b8cc04fd388f2bab70baf10d7b610172
    • MD5 SHA1 SHA512
    Score
    7/10
    discoveryexecutionantivm

    • Executes dropped EXE

    behavioral11behavioral12behavioral13behavioral14
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/database.js
    • Size 4KB
    • SHA256 50fe0b490f29174d961c4d1ae54f22973447ff1255fd710e785d201c0ebfb4d0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    execution
    behavioral15behavioral16
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/index.js
    • Size 110B
    • SHA256 82db11c4ee43a41d859988c5db42c3771dff565371f94bacbd1e4d8d6ceb47cd
    • MD5 SHA1 SHA512
    Score
    3/10
    execution
    behavioral17behavioral18
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/methods/aggregate.js
    • Size 1KB
    • SHA256 e9f74eb919ec93fe089c95ddf25a98f1f631c80418fa34fb2346ca1bc29f1b82
    • MD5 SHA1 SHA512
    Score
    3/10
    execution
    behavioral19behavioral20
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/methods/backup.js
    • Size 2KB
    • SHA256 ea29d34992bb02e006d0fdeda9675ac5d2bb227aaf57468decd997e9fc9c7dbf
    • MD5 SHA1 SHA512
    Score
    3/10
    execution
    behavioral21behavioral22
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/methods/function.js
    • Size 1KB
    • SHA256 f431d49303b8bbdc044b1f1b455bdad21fc9b74b007de0acb22f08f25b4febd3
    • MD5 SHA1 SHA512
    Score
    3/10
    execution
    behavioral23behavioral24
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/methods/inspect.js
    • Size 174B
    • SHA256 4975a78daee850adee62ba98719d0f223819a0ec135a07c0e302994bd8dbff61
    • MD5 SHA1 SHA512
    Score
    3/10
    execution
    behavioral25behavioral26
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/methods/pragma.js
    • Size 536B
    • SHA256 8b1c54475bd4340b15e25c50d53d06308be65f8f919ecbe4aa9d285ca859ad5a
    • MD5 SHA1 SHA512
    Score
    3/10
    execution
    behavioral27behavioral28
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/methods/serialize.js
    • Size 625B
    • SHA256 7a10ee5c2735384b7f0c361811bc6d017db29f62b203fd3c68a35f667e2c2605
    • MD5 SHA1 SHA512
    Score
    3/10
    execution
    behavioral29behavioral30
    • Target
      resources/app.asar.unpacked/node_modules/better-sqlite3/lib/methods/table.js
    • Size 6KB
    • SHA256 97c42d9ded1aa96c7d916b5b92f96b4e59581d50eaf629cd2c7afb78ff26a9ea
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    execution
    behavioral31behavioral32

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

3
T1059

JavaScript

1
T1059.007

PowerShell

1
T1059.001

Unix Shell

1
T1059.004

Persistence

Modify Authentication Process

1
T1556

Privilege Escalation

Defense Evasion

Hide Artifacts

1
T1564

Ignore Process Interrupts

1
T1564.011

Modify Authentication Process

1
T1556

Virtualization/Sandbox Evasion

1
T1497

System Checks

1
T1497.001

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Modify Authentication Process

1
T1556

Steal Web Session Cookie

1
T1539

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Virtualization/Sandbox Evasion

1
T1497

System Checks

1
T1497.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks

static1

Score
3/10

behavioral1

epsiloncredential_accessdefense_evasiondiscoveryexecutionspywarestealer
Score
10/10

behavioral2

epsiloncredential_accessdefense_evasiondiscoveryexecutionspywarestealer
Score
10/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

Score
1/10

behavioral8

Score
1/10

behavioral9

execution
Score
3/10

behavioral10

execution
Score
3/10

behavioral11

discoveryexecution
Score
7/10

behavioral12

antivmdiscovery
Score
4/10

behavioral13

discovery
Score
3/10

behavioral14

discovery
Score
3/10

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

execution
Score
3/10

behavioral22

execution
Score
3/10

behavioral23

execution
Score
3/10

behavioral24

execution
Score
3/10

behavioral25

execution
Score
3/10

behavioral26

execution
Score
3/10

behavioral27

execution
Score
3/10

behavioral28

execution
Score
3/10

behavioral29

execution
Score
3/10

behavioral30

execution
Score
3/10

behavioral31

execution
Score
3/10

behavioral32

execution
Score
3/10