General

  • Target

    11f790ade80bc83204d10e4c7cf2f957.exe

  • Size

    2.6MB

  • Sample

    220925-akggcacec6

  • MD5

    11f790ade80bc83204d10e4c7cf2f957

  • SHA1

    f59adc7146d76222816821ec5d9e11fbfc501f9e

  • SHA256

    f7d4d0c674f3dc9ad0b2bc85b65c1cd2eea9e25d67c86790e30b0ff3452fb82a

  • SHA512

    9fb975c8fc25c981fdc89c72fdf81eb11a3a71a4c86231892ad9d2a53f51701d75c50c6b1da57c8a9ac669c35816d1691b4364bdfe08a23f01f8a57b1932f184

  • SSDEEP

    49152:+pTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:+ZpktrvTOqp2Nw3L0gRbfGI8sepeu1

Malware Config

Targets

    • Target

      11f790ade80bc83204d10e4c7cf2f957.exe

    • Size

      2.6MB

    • MD5

      11f790ade80bc83204d10e4c7cf2f957

    • SHA1

      f59adc7146d76222816821ec5d9e11fbfc501f9e

    • SHA256

      f7d4d0c674f3dc9ad0b2bc85b65c1cd2eea9e25d67c86790e30b0ff3452fb82a

    • SHA512

      9fb975c8fc25c981fdc89c72fdf81eb11a3a71a4c86231892ad9d2a53f51701d75c50c6b1da57c8a9ac669c35816d1691b4364bdfe08a23f01f8a57b1932f184

    • SSDEEP

      49152:+pTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:+ZpktrvTOqp2Nw3L0gRbfGI8sepeu1

    • 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