General

  • Target

    01a68fb30e8452e9d83c02f0fcba1086bd15855f7289e7ed23f6fecb29360b74

  • Size

    6KB

  • Sample

    230131-pw7v1agc57

  • MD5

    102bcd3075e9ac5f4f0b94af5884c22e

  • SHA1

    1091e0ccca98dbfc9a4c9da679afa93b886aeeeb

  • SHA256

    01a68fb30e8452e9d83c02f0fcba1086bd15855f7289e7ed23f6fecb29360b74

  • SHA512

    c33a5511eb4c262d1a13f09d7057773adc8b1500a3149d49c4d3fd6d50cd61c4eb75df8f06489e02eec43aa1ace7a3dc36de4b134cf3ec81a753769abaed79da

  • SSDEEP

    96:EyrsU9DOzDO3+LcgR9htkwF1ccDkw0thG93ozNt:dUD5LcwsFmq

Malware Config

Extracted

Family

purecrypter

C2

http://cleaning.homesecuritypc.com/packages/Vmmvxe.png

http://cleaning.homesecuritypc.com/packages/Cucymzfby.dll

http://cleaning.homesecuritypc.com/packages/Jrxpomjaswp.dat

http://cleaning.homesecuritypc.com/packages/Hwnoutrpb.dat

http://cleaning.homesecuritypc.com/packages/Exsywzh.png

Targets

    • Target

      01a68fb30e8452e9d83c02f0fcba1086bd15855f7289e7ed23f6fecb29360b74

    • Size

      6KB

    • MD5

      102bcd3075e9ac5f4f0b94af5884c22e

    • SHA1

      1091e0ccca98dbfc9a4c9da679afa93b886aeeeb

    • SHA256

      01a68fb30e8452e9d83c02f0fcba1086bd15855f7289e7ed23f6fecb29360b74

    • SHA512

      c33a5511eb4c262d1a13f09d7057773adc8b1500a3149d49c4d3fd6d50cd61c4eb75df8f06489e02eec43aa1ace7a3dc36de4b134cf3ec81a753769abaed79da

    • SSDEEP

      96:EyrsU9DOzDO3+LcgR9htkwF1ccDkw0thG93ozNt:dUD5LcwsFmq

    • Detect rhadamanthys stealer shellcode

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks