Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 16:57

General

  • Target

    Estado.de.cuenta.xls

  • Size

    66KB

  • MD5

    0446015a22e4778816e2ccc64ac17a9b

  • SHA1

    4943e12bea20024937b890a289da2602a111a547

  • SHA256

    99577d4554ff7f8f9c98b9fd9c249f6aab4dccb47142466b070fd6d33d641e4e

  • SHA512

    96ca9e969e7864d0befff5ac56a408988b162ca4ba80cc2ed1455f4b6ee855ff4e3a0397879b7833b8279fa98c71c8596abd8f83f2107daf4bd80db032bbb811

  • SSDEEP

    1536:BYxEtjPOtioVjDGUU1qfDlaGGx+cL2QnA5Xo4inBGp9tRG52yriv+L:BYxEtjPOtioVjDGUU1qfDlaGGx+cL2QU

Malware Config

Extracted

Family

warzonerat

C2

dns.stipamana.com:5219

Signatures

  • WarzoneRat, AveMaria

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

  • Warzonerat family
  • Warzone RAT payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Estado.de.cuenta.xls
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\WEJTZTNBL.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\WEJTZTNBL.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2856
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\WEJTZTNBL.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\WEJTZTNBL.exe
        3⤵
        • Executes dropped EXE
        PID:3004
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\WEJTZTNBL.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\WEJTZTNBL.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\ProgramData\images.exe
          "C:\ProgramData\images.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:844
          • C:\ProgramData\images.exe
            C:\ProgramData\images.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1784
          • C:\ProgramData\images.exe
            C:\ProgramData\images.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\WEJTZTNBL.exe

    Filesize

    275KB

    MD5

    21aea7934aee995629e68e5834695608

    SHA1

    94e690f33e0f7b8ea8a1c665359836b363cc09a5

    SHA256

    1f6feae633a783cf6ef08eee6b65049fe5b692c8a743af8967984e2e212a06b5

    SHA512

    b25883eecaa34a355047c4c6c0f684298f2803e757ffb3fdc6b097c62283e96b6801cafa3eaab9eb49df79c2abefebcc5d53816b877bd9ce108864785942b0ad

  • memory/844-70-0x0000000000CB0000-0x0000000000CFA000-memory.dmp

    Filesize

    296KB

  • memory/1784-73-0x0000000000400000-0x0000000000554000-memory.dmp

    Filesize

    1.3MB

  • memory/2508-1-0x000000007223D000-0x0000000072248000-memory.dmp

    Filesize

    44KB

  • memory/2508-18-0x0000000006300000-0x0000000006400000-memory.dmp

    Filesize

    1024KB

  • memory/2508-28-0x0000000006300000-0x0000000006400000-memory.dmp

    Filesize

    1024KB

  • memory/2508-27-0x0000000006300000-0x0000000006400000-memory.dmp

    Filesize

    1024KB

  • memory/2508-79-0x0000000006300000-0x0000000006400000-memory.dmp

    Filesize

    1024KB

  • memory/2508-78-0x0000000006300000-0x0000000006400000-memory.dmp

    Filesize

    1024KB

  • memory/2508-77-0x000000007223D000-0x0000000072248000-memory.dmp

    Filesize

    44KB

  • memory/2508-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2644-63-0x0000000000400000-0x0000000000554000-memory.dmp

    Filesize

    1.3MB

  • memory/2644-61-0x0000000000400000-0x0000000000554000-memory.dmp

    Filesize

    1.3MB

  • memory/2856-59-0x00000000006D0000-0x0000000000728000-memory.dmp

    Filesize

    352KB

  • memory/2856-58-0x00000000003A0000-0x00000000003EA000-memory.dmp

    Filesize

    296KB