Overview

overview

10

Static

static

10

410c644c78...3a.exe

windows7-x64

10

410c644c78...3a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    410c644c78cde640702f1cdbab97efc59420da7b6705f98c3af00e1af3912e3a.exe

  • Size

    828KB

  • Sample

    240420-blgzyace28

  • MD5

    38cae3e5ad321877f760a30170e1dbd8

  • SHA1

    7ca4a891c40ce36a4533aabe32b4a7c70180f6f8

  • SHA256

    410c644c78cde640702f1cdbab97efc59420da7b6705f98c3af00e1af3912e3a

  • SHA512

    4c2299d27f435f3457c5047b8021b930a4a4d2b8be3dea5d23508499f497d2042b53b67cb071def371f5d6335b372078c362de27533865a09183c3e1fdd9c745

  • SSDEEP

    12288:wzXIzsFQQP9ztnsyyjDO0l4yOaPFXs718A4FuG0tlW+Sro3TVuQ3:wNFQQP3sXDOuHOCFXs71KASroo2

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      410c644c78cde640702f1cdbab97efc59420da7b6705f98c3af00e1af3912e3a.exe

    • Size

      828KB

    • MD5

      38cae3e5ad321877f760a30170e1dbd8

    • SHA1

      7ca4a891c40ce36a4533aabe32b4a7c70180f6f8

    • SHA256

      410c644c78cde640702f1cdbab97efc59420da7b6705f98c3af00e1af3912e3a

    • SHA512

      4c2299d27f435f3457c5047b8021b930a4a4d2b8be3dea5d23508499f497d2042b53b67cb071def371f5d6335b372078c362de27533865a09183c3e1fdd9c745

    • SSDEEP

      12288:wzXIzsFQQP9ztnsyyjDO0l4yOaPFXs718A4FuG0tlW+Sro3TVuQ3:wNFQQP3sXDOuHOCFXs71KASroo2

    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

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

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks