Overview

overview

10

Static

static

10

fc75a247bc...18.exe

windows7-x64

10

fc75a247bc...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fc75a247bc88f67848e50428121cc96c_JaffaCakes118

  • Size

    1.4MB

  • Sample

    240420-llv7nsec3w

  • MD5

    fc75a247bc88f67848e50428121cc96c

  • SHA1

    fe772f5018ab78903a6888005c049938a1940d12

  • SHA256

    2ee377500e967e7e494fe644d11cc9c0cfe9571321161612a7b773d6abac4053

  • SHA512

    8ee432c87a2643b0c0ea9ad2824938b08ecda59a6307929c33d32e653be09520d198f4aeada4d991c768e85bda80dd1301d5f4e5d2a38fa9fb244e0925f3024c

  • SSDEEP

    24576:eoHQQzRfEwcmM0JP/fdR7QrxJA75F4ov8Hh+4:lZ2ksS5Fz

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      fc75a247bc88f67848e50428121cc96c_JaffaCakes118

    • Size

      1.4MB

    • MD5

      fc75a247bc88f67848e50428121cc96c

    • SHA1

      fe772f5018ab78903a6888005c049938a1940d12

    • SHA256

      2ee377500e967e7e494fe644d11cc9c0cfe9571321161612a7b773d6abac4053

    • SHA512

      8ee432c87a2643b0c0ea9ad2824938b08ecda59a6307929c33d32e653be09520d198f4aeada4d991c768e85bda80dd1301d5f4e5d2a38fa9fb244e0925f3024c

    • SSDEEP

      24576:eoHQQzRfEwcmM0JP/fdR7QrxJA75F4ov8Hh+4:lZ2ksS5Fz

    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

    • 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

    • Drops file in System32 directory

    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

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks