General

  • Target

    6b226cdede731e178c299020f38b386e347638c1a59e7c7857fa1f7bddbca5eb

  • Size

    6KB

  • Sample

    230128-frxpssff5s

  • MD5

    30fe6fb1dc8a5a502a5f5329e1c9916a

  • SHA1

    5c8469f036e5c49551bef187e0ef9eb2eaece686

  • SHA256

    6b226cdede731e178c299020f38b386e347638c1a59e7c7857fa1f7bddbca5eb

  • SHA512

    cd9a2420349921226dcfe3051bb71407707858620e492146df37b86e004ece0b06888dfa00e9532c8ac094be821dfe35615da16860cc42e3b5de84bac08279b3

  • SSDEEP

    96:rrGrR/SsBZqnORNYxe+f2G8LJEu9ZtIOaZ1Cqkkv7t893ozNt:ril6OZzserLJEIa7Nv7eq

Malware Config

Extracted

Family

purecrypter

C2

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

Targets

    • Target

      6b226cdede731e178c299020f38b386e347638c1a59e7c7857fa1f7bddbca5eb

    • Size

      6KB

    • MD5

      30fe6fb1dc8a5a502a5f5329e1c9916a

    • SHA1

      5c8469f036e5c49551bef187e0ef9eb2eaece686

    • SHA256

      6b226cdede731e178c299020f38b386e347638c1a59e7c7857fa1f7bddbca5eb

    • SHA512

      cd9a2420349921226dcfe3051bb71407707858620e492146df37b86e004ece0b06888dfa00e9532c8ac094be821dfe35615da16860cc42e3b5de84bac08279b3

    • SSDEEP

      96:rrGrR/SsBZqnORNYxe+f2G8LJEu9ZtIOaZ1Cqkkv7t893ozNt:ril6OZzserLJEIa7Nv7eq

    • Detect PureCrypter injector

    • 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

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks