Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    12/04/2022, 09:15

General

  • Target
    INVOICE.exe
  • Size 688KB
  • Sample220412-k7wjwschf5
  • SHA256 4e3b7e84edc257cfc5c6d581272695e2ef520f47b6fa8e179960d52f0f0a3140
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • warzonerat

C2
  • wizzycheddah1.duckdns.org:5200

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • WarzoneRat, AveMaria

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

  • Warzone RAT Payload 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
      C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • outlook_office_path
      • outlook_win_path
      PID:1320

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        freebl3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\freebl3.dll
        • Size 326KB
        • SHA256 2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7
        • MD5 SHA1 SHA512 SSDEEP

        mozglue.dll

        • Path C:\Users\Admin\AppData\Local\Temp\mozglue.dll
        • Size 133KB
        • SHA256 fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0
        • MD5 SHA1 SHA512 SSDEEP

        msvcp140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\msvcp140.dll
        • Size 429KB
        • SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nss3.dll
        • Size 1.2MB
        • SHA256 78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db
        • MD5 SHA1 SHA512 SSDEEP

        softokn3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\softokn3.dll
        • Size 141KB
        • SHA256 bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f
        • MD5 SHA1 SHA512 SSDEEP

        vcruntime140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll
        • Size 81KB
        • SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
        • MD5 SHA1 SHA512 SSDEEP

        memory/1320-143-0x0000000010670000-0x00000000107C6000-memory.dmp

        memory/1320-144-0x00000000025F0000-0x0000000002744000-memory.dmp

        memory/1320-145-0x0000000003950000-0x00000000039D4000-memory.dmp