Overview

overview

7

Static

static

3

Flow_1.0.5...up.exe

windows10-2004-x64

7

Flow_1.0.5...up.exe

windows11-ltsc_2024-x64

7

$PLUGINSDI...nu.dll

windows10-2004-x64

3

$PLUGINSDI...nu.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows11-ltsc_2024-x64

3

$TEMP/Micr...up.exe

windows10-2004-x64

6

$TEMP/Micr...up.exe

windows11-ltsc_2024-x64

6

FlowDecompiler.exe

windows10-2004-x64

1

FlowDecompiler.exe

windows11-ltsc_2024-x64

1

flow-release-sign.exe

windows10-2004-x64

1

flow-release-sign.exe

windows11-ltsc_2024-x64

1

flow.exe

windows10-2004-x64

6

flow.exe

windows11-ltsc_2024-x64

6

msvcp140.dll

windows10-2004-x64

1

msvcp140.dll

windows11-ltsc_2024-x64

1

RobloxCras...er.exe

windows10-2004-x64

1

RobloxCras...er.exe

windows11-ltsc_2024-x64

1

RobloxPlayerBeta.dll

windows10-2004-x64

1

RobloxPlayerBeta.dll

windows11-ltsc_2024-x64

1

RobloxPlayerBeta.exe

windows10-2004-x64

7

RobloxPlayerBeta.exe

windows11-ltsc_2024-x64

7

WebView2Loader.dll

windows10-2004-x64

1

content\av...15.bat

windows10-2004-x64

3

content\av...15.bat

windows11-ltsc_2024-x64

3

content\co...ler.js

windows10-2004-x64

3

Sharing

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General

  • Target
    Flow_1.0.50_x64-setup.exe
  • Size 244.1MB
  • Sample261027-tprbwsvxet
  • SHA256 aabc02b3023d50e838508e50202bc58c418ee573a7a04deaee65cc769bb2e20f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target
      Flow_1.0.50_x64-setup.exe
    • Size 244.1MB
    • SHA256 aabc02b3023d50e838508e50202bc58c418ee573a7a04deaee65cc769bb2e20f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    defense_evasiondiscovery

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery
    behavioral1behavioral2
    • Target
      $PLUGINSDIR/StartMenu.dll
    • Size 7KB
    • SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral3behavioral4
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral5behavioral6
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral7behavioral8
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 7KB
    • SHA256 b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral10behavioral9
    • Target
      $PLUGINSDIR/nsis_tauri_utils.dll
    • Size 33KB
    • SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral11behavioral12
    • Target
      $TEMP/MicrosoftEdgeWebview2Setup.exe
    • Size 1.8MB
    • SHA256 f414de01c4680f0bb0694d1ea7803c6968f3a81bf6bad01b89bfc65dce14c2a2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    discoverypersistenceprivilege_escalationdefense_evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation
    behavioral13behavioral14
    • Target
      FlowDecompiler.exe
    • Size 8.3MB
    • SHA256 0297b0e2daab61bf2c8710c0325305cc4f967d67809a9346f29b7806c928262a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral15behavioral16
    • Target
      flow-release-sign.exe
    • Size 538KB
    • SHA256 735a24cf86258cd09cc2e1dc2a876ecd5fe727e6009ec18be0c9a2211acb2115
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral17behavioral18
    • Target
      flow.exe
    • Size 14.2MB
    • SHA256 f6e50dfce912b07ddb6fcc350c1771f77a3b4c183934625246956edbd0f900c9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    defense_evasiondiscoverytrojan
    behavioral19behavioral20
    • Target
      msvcp140.dll
    • Size 544KB
    • SHA256 0f885b509a685d2bbfa652fed26b5fb31d88fbdab0a978c641d1c7b8aa460aa9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral21behavioral22
    • Target
      RobloxCrashHandler.exe
    • Size 13.1MB
    • SHA256 02f889967017c958393bcd01a8994b4fd5ef35a2853e99303c22af5cd024ea39
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral23behavioral24
    • Target
      RobloxPlayerBeta.dll
    • Size 32.0MB
    • SHA256 d43a759c6b0133447416e92a0c954d1439701ae3d2ba245cf46f7b9cfc1ff477
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral25behavioral26
    • Target
      RobloxPlayerBeta.exe
    • Size 138.7MB
    • SHA256 b0f5f11a15a22545d7b15e2c4bae24f7ba153f834ad64fd3a148b48a262e94d4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    defense_evasion

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

      defense_evasion
    behavioral27behavioral28
    • Target
      WebView2Loader.dll
    • Size 162KB
    • SHA256 a8a6cd8d6df1f913671bcd96b6298b6f53fd066a84ae891e4d865bc1b8e8e9e4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral29
    • Target
      content\avatar\scripts\humanoidAnimateR15.lua
    • Size 31KB
    • SHA256 1c925850c1726e89ef451305a4b8ce1e06acc9010a6598a4070dc0cd177d3242
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral30behavioral31
    • Target
      content\configs\PerformanceConfigs\rofiler.js
    • Size 398KB
    • SHA256 cf2a53c56fda087627a11da6c1dd364c9a57f54928e2feb7b9520f59432cfc71
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral32

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

JavaScript

1
T1059.007

Windows Command Shell

1
T1059.003

Persistence

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Debugger Evasion

1
T1622

Modify Registry

1
T1112

Credential Access

Discovery

Debugger Evasion

1
T1622

Network Share Discovery

1
T1135

Query Registry

5
T1012

System Information Discovery

6
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

Score
3/10

behavioral1

defense_evasiondiscovery
Score
7/10

behavioral2

defense_evasiondiscovery
Score
7/10

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

discovery
Score
3/10

behavioral12

discovery
Score
3/10

behavioral13

discoverypersistenceprivilege_escalation
Score
6/10

behavioral14

defense_evasiondiscoverypersistenceprivilege_escalation
Score
6/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

defense_evasiondiscoverytrojan
Score
6/10

behavioral20

defense_evasiondiscoverytrojan
Score
6/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

defense_evasion
Score
7/10

behavioral28

defense_evasion
Score
7/10

behavioral29

Score
1/10

behavioral30

execution
Score
3/10

behavioral31

execution
Score
3/10

behavioral32

execution
Score
3/10