Overview

overview

10

Static

static

10

855be39c3b...a7.exe

windows7-x64

10

855be39c3b...a7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    855be39c3b980dbc9be89124bbe9f3e4fb660cab6a4e84af15fba8379b9eb2a7.exe

  • Size

    1.8MB

  • Sample

    240420-b129esea2x

  • MD5

    a837da60643679493bdca8c00d64611c

  • SHA1

    35401c668db6b8ebec6a2871b3ed5510e927849f

  • SHA256

    855be39c3b980dbc9be89124bbe9f3e4fb660cab6a4e84af15fba8379b9eb2a7

  • SHA512

    d97fe2b5c0318a8a5a6531fcb6bedc576bac6cde969a7bff3a8e5b0d61e7cef7f85a12df91454cd1274305b1068a20fed8f2fc5bfe0af6f5df3378eefdf12bf2

  • SSDEEP

    24576:7ilKuDqhXSQdCTxP0X2HsmQXpOkWagYBLS+qTtIZaZ2c4vylc/g1AeHw:7EKukhQP7ZQ5OkWag1+qpIQV4vEcLe

Score
10/10
dcratevasioninfostealerrattrojan

Malware Config

Targets

    • Target

      855be39c3b980dbc9be89124bbe9f3e4fb660cab6a4e84af15fba8379b9eb2a7.exe

    • Size

      1.8MB

    • MD5

      a837da60643679493bdca8c00d64611c

    • SHA1

      35401c668db6b8ebec6a2871b3ed5510e927849f

    • SHA256

      855be39c3b980dbc9be89124bbe9f3e4fb660cab6a4e84af15fba8379b9eb2a7

    • SHA512

      d97fe2b5c0318a8a5a6531fcb6bedc576bac6cde969a7bff3a8e5b0d61e7cef7f85a12df91454cd1274305b1068a20fed8f2fc5bfe0af6f5df3378eefdf12bf2

    • SSDEEP

      24576:7ilKuDqhXSQdCTxP0X2HsmQXpOkWagYBLS+qTtIZaZ2c4vylc/g1AeHw:7EKukhQP7ZQ5OkWag1+qpIQV4vEcLe

    Score
    10/10
    dcratevasioninfostealerrattrojan

    • DcRat

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

      ratinfostealerdcrat

    • Process spawned unexpected child process

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

    • UAC bypass

      evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Detects executables packed with SmartAssembly

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

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

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks