Overview

overview

10

Static

static

3

0e75380736...d8.exe

windows7-x64

10

0e75380736...d8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0e7538073640e94a8d277d5c455e88d8.exe

  • Size

    1.7MB

  • Sample

    250207-2scxnstjdr

  • MD5

    0e7538073640e94a8d277d5c455e88d8

  • SHA1

    23320607446a750d0f0b79b75facd0e15c881e85

  • SHA256

    848feeb5b4b55aef6fbd560d0800ee2370d4cb935495abb82f2870169c42aae5

  • SHA512

    225a5d1863ada9d82d51ee9b4f073ca1d964b237fa1994970adb07b0b16ba3c6c759ce11f2f0806f96be75f688ac4674e33cba0de39ea40ab96d64654323d844

  • SSDEEP

    49152:aLUbMVuHF+xDNs7Y8R7mY58jJlMUwgUK:agbCvxDNIY8hujEJK

Score
10/10
dcratdiscoveryinfostealerpersistencerat

Malware Config

Targets

    • Target

      0e7538073640e94a8d277d5c455e88d8.exe

    • Size

      1.7MB

    • MD5

      0e7538073640e94a8d277d5c455e88d8

    • SHA1

      23320607446a750d0f0b79b75facd0e15c881e85

    • SHA256

      848feeb5b4b55aef6fbd560d0800ee2370d4cb935495abb82f2870169c42aae5

    • SHA512

      225a5d1863ada9d82d51ee9b4f073ca1d964b237fa1994970adb07b0b16ba3c6c759ce11f2f0806f96be75f688ac4674e33cba0de39ea40ab96d64654323d844

    • SSDEEP

      49152:aLUbMVuHF+xDNs7Y8R7mY58jJlMUwgUK:agbCvxDNIY8hujEJK

    Score
    10/10
    dcratinfostealerpersistenceratdiscovery

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Downloads MZ/PE file

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Scheduled Task

1
T1053.005

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

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks