Resubmissions

17-11-2024 21:17

241117-z44hnatjgq 10

17-11-2024 20:18

241117-y3c4msxgmn 10

Analysis

  • max time kernel
    44s
  • max time network
    44s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 21:17

General

  • Target

    1bacbeb5f98d78a72cae4bc3dee1dfe903300ee85bf53a92db7e8a28f4eaf0e3N.exe

  • Size

    904KB

  • MD5

    cbcab9b882f24b35dfad95930817eab0

  • SHA1

    b314ae0ab0adc2e87f8296a0be94913724e5f9cc

  • SHA256

    1bacbeb5f98d78a72cae4bc3dee1dfe903300ee85bf53a92db7e8a28f4eaf0e3

  • SHA512

    d168d460b9c554b4fc7a2314dd4df9bfc6e5d08d86bba751025d1611e807310c049211630ea424c27c89a587b973e57070b2e103ff8c8ce92c3277d1358109db

  • SSDEEP

    24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5w:gh+ZkldoPK8YaKGw

Malware Config

Extracted

Family

revengerat

Botnet

Marzo26

C2

marzorevenger.duckdns.org:4230

Mutex

RV_MUTEX-PiGGjjtnxDpn

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Revengerat family
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1bacbeb5f98d78a72cae4bc3dee1dfe903300ee85bf53a92db7e8a28f4eaf0e3N.exe
    "C:\Users\Admin\AppData\Local\Temp\1bacbeb5f98d78a72cae4bc3dee1dfe903300ee85bf53a92db7e8a28f4eaf0e3N.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:3256
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:968
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\New Text Document.txt
      1⤵
        PID:720

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1008-0-0x0000000004450000-0x0000000004451000-memory.dmp

        Filesize

        4KB

      • memory/3256-1-0x00000000001E0000-0x00000000001E8000-memory.dmp

        Filesize

        32KB

      • memory/3256-5-0x0000000073AF2000-0x0000000073AF3000-memory.dmp

        Filesize

        4KB

      • memory/3256-6-0x0000000073AF0000-0x00000000740A1000-memory.dmp

        Filesize

        5.7MB

      • memory/3256-7-0x0000000073AF0000-0x00000000740A1000-memory.dmp

        Filesize

        5.7MB

      • memory/3256-8-0x0000000073AF2000-0x0000000073AF3000-memory.dmp

        Filesize

        4KB

      • memory/3256-9-0x0000000073AF0000-0x00000000740A1000-memory.dmp

        Filesize

        5.7MB

      • memory/3256-10-0x0000000073AF0000-0x00000000740A1000-memory.dmp

        Filesize

        5.7MB