Overview

overview

9

Static

static

9

EXM-2.1.1-...er.exe

windows10-2004-x64

9

EXM-2.1.1-...er.exe

windows11-21h2-x64

9

$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

$PLUGINSDIR/UAC.dll

windows10-2004-x64

3

$PLUGINSDIR/UAC.dll

windows11-21h2-x64

3

$PLUGINSDI...ll.dll

windows10-2004-x64

3

$PLUGINSDI...ll.dll

windows11-21h2-x64

3

resources/...DME.js

windows10-2004-x64

3

resources/...DME.js

windows11-21h2-x64

3

resources/...dex.js

windows10-2004-x64

3

resources/...dex.js

windows11-21h2-x64

3

resources/...DME.js

windows10-2004-x64

3

resources/...DME.js

windows11-21h2-x64

3

resources/...dex.js

windows10-2004-x64

3

resources/...dex.js

windows11-21h2-x64

3

resources/...dme.js

windows10-2004-x64

3

resources/...dme.js

windows11-21h2-x64

3

resources/...dex.js

windows10-2004-x64

3

resources/...dex.js

windows11-21h2-x64

3

resources/...DME.js

windows10-2004-x64

3

resources/...DME.js

windows11-21h2-x64

3

resources/...dex.js

windows10-2004-x64

3

resources/...dex.js

windows11-21h2-x64

3

resources/...DME.js

windows10-2004-x64

3

resources/...DME.js

windows11-21h2-x64

3

resources/...onf.js

windows10-2004-x64

3

resources/...onf.js

windows11-21h2-x64

3

resources/...ode.js

windows10-2004-x64

3

resources/...ode.js

windows11-21h2-x64

3

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General

  • Target
    EXM-2.1.1-installer.exe
  • Size 147.1MB
  • Sample260525-ry6f3aev3t
  • SHA256 4063c69bfbcc58bda796a349ea387a7a636cfa63be133df3eefaae162b1fb505
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutionprivilege_escalation

Malware Config

Targets

    • Target
      EXM-2.1.1-installer.exe
    • Size 147.1MB
    • SHA256 4063c69bfbcc58bda796a349ea387a7a636cfa63be133df3eefaae162b1fb505
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionprivilege_escalation

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Stops running service(s)

      defense_evasionexecution

    • Checks installed software on the system

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

      discovery

    • Drops desktop.ini file(s)

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Modifies boot configuration data using bcdedit

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2
    • Target
      $PLUGINSDIR/StdUtils.dll
    • Size 100KB
    • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral3behavioral4
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral5behavioral6
    • Target
      $PLUGINSDIR/UAC.dll
    • Size 14KB
    • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral7behavioral8
    • Target
      $PLUGINSDIR/WinShell.dll
    • Size 3KB
    • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    discovery
    behavioral10behavioral9
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/content-disposition/README.md
    • Size 5KB
    • SHA256 871c5ec648b67ad1a5791c6c4f95e5bb5df78ecc9aae0a3387e2a08e068c6968
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral11behavioral12
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/content-disposition/index.js
    • Size 10KB
    • SHA256 e86a88a5d1a9dd74faa753ca4e47a78e38ae930f3206e5e887cf6cb0ad70cbf8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral13behavioral14
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/content-type/README.md
    • Size 2KB
    • SHA256 8793880cbc4fd7294dff8562b71d9381ea1c0557422b66007920415ba439486e
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    execution
    behavioral15behavioral16
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/content-type/index.js
    • Size 4KB
    • SHA256 7d76ae0f8ecc0a8c053de97b0f695f3fa3df33f692d1bd241307995304e5f63d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral17behavioral18
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/cookie-signature/Readme.md
    • Size 1KB
    • SHA256 1621ed10d0b2f865eb8608e0474a356cf7a9737a384b6593b61b30a9f6e50366
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    execution
    behavioral19behavioral20
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/cookie-signature/index.js
    • Size 1KB
    • SHA256 8d762862020064468b4af17e561ee1ee29d9d55311a1c19d958c4ff2be912963
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    execution
    behavioral21behavioral22
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/cookie/README.md
    • Size 11KB
    • SHA256 ba8b36c7d860d6ef37887b6ef496a486e91aefe5229f65157cc8b44725b9bec5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral23behavioral24
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/cookie/index.js
    • Size 7KB
    • SHA256 9b382a9b70ba35dba28999dcec9c484737bdc00704ec486b271ee60d34c9f869
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral25behavioral26
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/debug/README.md
    • Size 17KB
    • SHA256 cda3dbd285a2b65894758565a565e7bc2e7c3696225af7b5bd01454240df0aea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral27behavioral28
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/debug/karma.conf.js
    • Size 1KB
    • SHA256 2430869adb61a5e24a3612110a9b49a948e6db43ab7e947c003a9c19c478e609
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    execution
    behavioral29behavioral30
    • Target
      resources/app.asar.unpacked/windows-service/node_modules/debug/node.js
    • Size 40B
    • SHA256 996b381f353555cb172ebb2802bb2a7323442ff67b7b530cc26834058d7f31a2
    • MD5 SHA1 SHA512
    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

2
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Hide Artifacts

1
T1564

Ignore Process Interrupts

1
T1564.011

Impair Defenses

1
T1562

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Credential Access

Discovery

Process Discovery

1
T1057

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks

static1

Score
9/10

behavioral1

defense_evasiondiscoveryexecutionprivilege_escalation
Score
9/10

behavioral2

defense_evasiondiscoveryexecutionprivilege_escalation
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

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

execution
Score
3/10

behavioral12

execution
Score
3/10

behavioral13

execution
Score
3/10

behavioral14

execution
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