General

  • Target

    38f21c0635c506322423d979758212841830cbe38e75856146f35e29c6b9b513.exe

  • Size

    1.3MB

  • Sample

    250108-3qhwks1mck

  • MD5

    1e0852a6c7561f0993d533bdac01102e

  • SHA1

    858ba633ab39fe6bb7b2fc27e2f51d96cca73575

  • SHA256

    38f21c0635c506322423d979758212841830cbe38e75856146f35e29c6b9b513

  • SHA512

    681075aac8777e4b2ff658c0ae7a62b45dfa4716010cb36ec903e33c444579d4af8aec6ba98f8e2e1de7d9290dfd87642fae6e57c6e4aa4b1b8adc4ea42f5eb2

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCx:UbA30GnzV/q+DnsXgX

Malware Config

Targets

    • Target

      38f21c0635c506322423d979758212841830cbe38e75856146f35e29c6b9b513.exe

    • Size

      1.3MB

    • MD5

      1e0852a6c7561f0993d533bdac01102e

    • SHA1

      858ba633ab39fe6bb7b2fc27e2f51d96cca73575

    • SHA256

      38f21c0635c506322423d979758212841830cbe38e75856146f35e29c6b9b513

    • SHA512

      681075aac8777e4b2ff658c0ae7a62b45dfa4716010cb36ec903e33c444579d4af8aec6ba98f8e2e1de7d9290dfd87642fae6e57c6e4aa4b1b8adc4ea42f5eb2

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjCx:UbA30GnzV/q+DnsXgX

    • DcRat

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

    • Dcrat family

    • Process spawned unexpected child process

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

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks