Overview

overview

10

Static

static

a004cd8e5a...76.exe

windows7-x64

10

a004cd8e5a...76.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a004cd8e5a3c98905f606c1adf947876.exe

  • Size

    2.3MB

  • Sample

    230131-z4gc5acd2z

  • MD5

    a004cd8e5a3c98905f606c1adf947876

  • SHA1

    7516ab2fb8ed0d5300da3b408b6ef9496859a717

  • SHA256

    783e64fd0c3955a98240e9e42f216c5e78e63021aeb5913b7a262dd1e3f9683e

  • SHA512

    46895dc11504c5f1c1a0b6908f4f8ed23f1b161f74999bad739f631c200b24b069a4e22fc7925befbf9256dc3707584a6c628c879d56a0f8a392edd933d8fbac

  • SSDEEP

    24576:iD1CSLX+VpapJhM/r8b2f1XqX+lCLxwMylv06dbFydnjzjQhkKqyVIkFHfIHYfrr:I1CSggEsZ/x4

Score
10/10
dcratevasioninfostealerrattrojan

Malware Config

Targets

    • Target

      a004cd8e5a3c98905f606c1adf947876.exe

    • Size

      2.3MB

    • MD5

      a004cd8e5a3c98905f606c1adf947876

    • SHA1

      7516ab2fb8ed0d5300da3b408b6ef9496859a717

    • SHA256

      783e64fd0c3955a98240e9e42f216c5e78e63021aeb5913b7a262dd1e3f9683e

    • SHA512

      46895dc11504c5f1c1a0b6908f4f8ed23f1b161f74999bad739f631c200b24b069a4e22fc7925befbf9256dc3707584a6c628c879d56a0f8a392edd933d8fbac

    • SSDEEP

      24576:iD1CSLX+VpapJhM/r8b2f1XqX+lCLxwMylv06dbFydnjzjQhkKqyVIkFHfIHYfrr:I1CSggEsZ/x4

    Score
    10/10
    dcratevasioninfostealerrattrojan

    • DcRat

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

      ratinfostealerdcrat

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks