General

  • Target

    0428077f1eee71b4f540a484fdf1d3f1.exe

  • Size

    2.6MB

  • Sample

    220925-akf6ksdghp

  • MD5

    0428077f1eee71b4f540a484fdf1d3f1

  • SHA1

    e86085a6ef4d7f2449bf207588d33ed4be1a3143

  • SHA256

    d60a44786cf95b2796e1d4d12f8f13c3e8497f6aeb654be950bfc412f737ab45

  • SHA512

    40b1be3adb8a8c8a6ccc7e431fc7149e5d84bc7fd11d0ce8acb693b2dcd0f5781178ba8232b7533ce87cddc7f73bc14d965033a8cd40bb1bb98f3c9a265f4803

  • SSDEEP

    49152:npTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:nZpktrvTOqp2Nw3L0gRbfGI8sepeu1

Malware Config

Targets

    • Target

      0428077f1eee71b4f540a484fdf1d3f1.exe

    • Size

      2.6MB

    • MD5

      0428077f1eee71b4f540a484fdf1d3f1

    • SHA1

      e86085a6ef4d7f2449bf207588d33ed4be1a3143

    • SHA256

      d60a44786cf95b2796e1d4d12f8f13c3e8497f6aeb654be950bfc412f737ab45

    • SHA512

      40b1be3adb8a8c8a6ccc7e431fc7149e5d84bc7fd11d0ce8acb693b2dcd0f5781178ba8232b7533ce87cddc7f73bc14d965033a8cd40bb1bb98f3c9a265f4803

    • SSDEEP

      49152:npTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:nZpktrvTOqp2Nw3L0gRbfGI8sepeu1

    • DcRat

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

    • Process spawned unexpected child process

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

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks