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

    4c0b8a87ac894d73ec5cdca91726d6a3e20254501db440575478071f1321d7e7

  • Size

    415KB

  • Sample

    240417-qes6ysac7v

  • MD5

    fab475008eec24ebebbcdd27fb1fe868

  • SHA1

    72cc1d6b4f97568399c90c7f37ded5c1ebf39af6

  • SHA256

    4c0b8a87ac894d73ec5cdca91726d6a3e20254501db440575478071f1321d7e7

  • SHA512

    0ce5b752ec25b09b4b4521ecd0f001595ca26264adcd2bb470ed959ddafae88751e4bf565013185854b17bc56175f9fb6ee05910f860cfd58d108bf54fabb4fa

  • SSDEEP

    12288:m+jaHLkLperU/kG/9SuwQst5Dgbp8/Ppp:m+kG/9Suwvgd83v

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