Overview

overview

10

Static

static

10

iiu21398e8ydsa.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    iiu21398e8ydsa.exe

  • Size

    1.7MB

  • Sample

    250201-rwwtvayjhk

  • MD5

    402413f48045d5217eb19c3ca703b3b9

  • SHA1

    bcb9c54c86f677958d5acbd5d4cd5eb6de639340

  • SHA256

    19b45d7e3ede011ff54ba5dc54705a38f030bfc70afc6dec3a5931f3f8d01a75

  • SHA512

    c4fde3b1fbe2a98fa118f052cc668a6c5321cf8855d33e4b709c082ce086e6fd0e62872be056d8e3a4b73e0f7357e455cc3e7e053885e1404084b3628fda3811

  • SSDEEP

    24576:U2G/nvxW3Ww0t60jeAbFDuiYq2hszeo9/gqHriQcU4bobxAgedn6CrRNe2ONaPx7:UbA3060jSReaNqLz4bifed6ERNFXx7

Score
10/10
dcratdefense_evasiondiscoveryinfostealerrattrojan

Malware Config

Targets

    • Target

      iiu21398e8ydsa.exe

    • Size

      1.7MB

    • MD5

      402413f48045d5217eb19c3ca703b3b9

    • SHA1

      bcb9c54c86f677958d5acbd5d4cd5eb6de639340

    • SHA256

      19b45d7e3ede011ff54ba5dc54705a38f030bfc70afc6dec3a5931f3f8d01a75

    • SHA512

      c4fde3b1fbe2a98fa118f052cc668a6c5321cf8855d33e4b709c082ce086e6fd0e62872be056d8e3a4b73e0f7357e455cc3e7e053885e1404084b3628fda3811

    • SSDEEP

      24576:U2G/nvxW3Ww0t60jeAbFDuiYq2hszeo9/gqHriQcU4bobxAgedn6CrRNe2ONaPx7:UbA3060jSReaNqLz4bifed6ERNFXx7

    Score
    10/10
    dcratdefense_evasiondiscoveryinfostealerrattrojan

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

      defense_evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Disables Task Manager via registry modification

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

3
T1112

Credential Access

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks