Overview

overview

10

Static

static

10

3b7b020f8c...55.exe

windows7-x64

10

3b7b020f8c...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b67032a27798a7d9a53e7c1ba325b6be949d0f1e5cc9c6033827545e71b2fc5c

  • Size

    415KB

  • Sample

    240417-p7ch8shf9s

  • MD5

    137e4e2683a4ab261cd1e294e9458515

  • SHA1

    7ee56a1be2a57e093a75684a12aa3e543898421f

  • SHA256

    b67032a27798a7d9a53e7c1ba325b6be949d0f1e5cc9c6033827545e71b2fc5c

  • SHA512

    a7963d82322600b08677fbd62a122f26139e2e9f6b2a72de70fa5bde53399e5207148fbdf44a0449ea067a8660edbdddbec101083d366837e551e1aa2b1f5521

  • SSDEEP

    6144:RnLO642y0iHiosHi+ML9wtYaobB6anL9faTVhVFUfZIOcBBwaYAgBs35OXEc:RLOuy0iHQhGHYEaDfaFewDqTc

Score
10/10
dcratinfostealerrat

Malware Config

Targets

    • Target

      3b7b020f8ce69d4b810468c03b4bfd1cc6e56080c7b754cafebfd4ba500c7855.exe

    • Size

      827KB

    • MD5

      81f8eacc0997ace2ee1d89b25391783c

    • SHA1

      7d880a37dc2ea2819e9081f0eb97d75c4ac63763

    • SHA256

      3b7b020f8ce69d4b810468c03b4bfd1cc6e56080c7b754cafebfd4ba500c7855

    • SHA512

      ba138c654a421f33ba9adc40c42db3dc167cabc6a96e0cb0a78b3f76a853f67f3519d16c7ad1b2c5c2d8fc06b3d9ba1ac5d5eea58c15bea0c453c65143cfb443

    • SSDEEP

      24576:TYMB0+EFNTfgJyzf/0X807GUj1sVr46Ec:TYMBiFNT3zfkG81q0F

    Score
    10/10
    dcratinfostealerrat

    • 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.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks