Overview

overview

8

Static

static

5

cat_NMH.zip

windows10-2004-x64

1

cat_NMH.zip

windows11-ltsc_2024-x64

1

WCChromeNa...st.exe

windows10-2004-x64

7

WCChromeNa...st.exe

windows11-ltsc_2024-x64

7

msvcp140.dll

windows10-2004-x64

8

msvcp140.dll

windows11-ltsc_2024-x64

7

update.dll

windows10-2004-x64

1

update.dll

windows11-ltsc_2024-x64

1

Sharing

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General

  • Target
    cat_NMH.zip
  • Size 63.1MB
  • Sample260713-dnzzmsbv5r
  • SHA256 1a612bfa95744f990e2de4a7e956f8dde15c43b2fee84baa92feea594c930b90
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasionexecutionpersistence

Malware Config

Targets

    • Target
      cat_NMH.zip
    • Size 63.1MB
    • SHA256 1a612bfa95744f990e2de4a7e956f8dde15c43b2fee84baa92feea594c930b90
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral1behavioral2
    • Target
      WCChromeNativeMessagingHost.exe
    • Size 262KB
    • SHA256 1f0843b9ec3948f9796e9c1e7cfbf671d041f086ba163538a3048932bc00625e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    defense_evasionexecutionpersistence

    • Creates new service(s)

      persistenceexecution

    • Drops startup file

    • Stops running service(s)

      defense_evasionexecution

    • Adds Run key to start application

      persistence

    • Downloads MZ/PE file

    • Checks computer location settings

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

    behavioral3behavioral4
    • Target
      msvcp140.dll
    • Size 65.4MB
    • SHA256 04b261f225b60fe1a6ca2f29bf31de799ccb32e7fde062d8cad6cbcbb7fccc68
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasionexecutionpersistence

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Creates new service(s)

      persistenceexecution

    • Drops startup file

    • Executes dropped EXE

    • Stops running service(s)

      defense_evasionexecution

    • Adds Run key to start application

      persistence
    behavioral5behavioral6
    • Target
      update.dll
    • Size 628KB
    • SHA256 7c26614e1d733892c2deac7e245ce115504b1d80592dd0a01b08e3e5a55f89ca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral7behavioral8

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks