General

  • Target

    1ab16df8f4ca6da3ff749ec6b65c57ed.exe

  • Size

    2.6MB

  • Sample

    220924-2zjc2adfel

  • MD5

    1ab16df8f4ca6da3ff749ec6b65c57ed

  • SHA1

    6a86417f494f8cd839cd615a848f9c58f2c546d2

  • SHA256

    b48732dd80d273baa411ef94094f19adaf0ed373bb80a6b64bb090af2b97222f

  • SHA512

    68d32a440844e78d82a97fb51fec8bda440ec8821d6f548daa676ae5fa6d5fb053261b442ef92ae7f73ec8880206cc34df3e9f4920e126bb83767898418619be

  • SSDEEP

    49152:+pTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:+ZpktrvTOqp2Nw3L0gRbfGI8sepeu1

Malware Config

Targets

    • Target

      1ab16df8f4ca6da3ff749ec6b65c57ed.exe

    • Size

      2.6MB

    • MD5

      1ab16df8f4ca6da3ff749ec6b65c57ed

    • SHA1

      6a86417f494f8cd839cd615a848f9c58f2c546d2

    • SHA256

      b48732dd80d273baa411ef94094f19adaf0ed373bb80a6b64bb090af2b97222f

    • SHA512

      68d32a440844e78d82a97fb51fec8bda440ec8821d6f548daa676ae5fa6d5fb053261b442ef92ae7f73ec8880206cc34df3e9f4920e126bb83767898418619be

    • 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