General

  • Target

    invoice.exe

  • Size

    282KB

  • Sample

    230223-nf2tdaff56

  • MD5

    a514bb17edd4f17598fd3a7ebf844626

  • SHA1

    d97d40727ccd6e986d1dfaa29f2fab0a120d4570

  • SHA256

    29da2190a5e040e36cf79c7948eca244100b64eea9236b7279f97381fdc3e695

  • SHA512

    0d2fbb91c8642d97616214fca993a6bf3dfa95cbe0956935bf9c3c99800f7e192b2bad4756078a979b63c21552d0c84cb22f759d54e4e6dcc51895483a2b6ded

  • SSDEEP

    6144:qicFyLNwIpC0p/iGtKC1WHPADZEKyKIRAZ8epLAof9YF:FPiIpC2tKGWHCH6AZppLB8

Malware Config

Targets

    • Target

      invoice.exe

    • Size

      282KB

    • MD5

      a514bb17edd4f17598fd3a7ebf844626

    • SHA1

      d97d40727ccd6e986d1dfaa29f2fab0a120d4570

    • SHA256

      29da2190a5e040e36cf79c7948eca244100b64eea9236b7279f97381fdc3e695

    • SHA512

      0d2fbb91c8642d97616214fca993a6bf3dfa95cbe0956935bf9c3c99800f7e192b2bad4756078a979b63c21552d0c84cb22f759d54e4e6dcc51895483a2b6ded

    • SSDEEP

      6144:qicFyLNwIpC0p/iGtKC1WHPADZEKyKIRAZ8epLAof9YF:FPiIpC2tKGWHCH6AZppLB8

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Modifies Windows Firewall

    • Sets DLL path for service in the registry

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies WinLogon

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks