Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 01:11

General

  • Target
    LisectAVT_2403002B_27.exe
  • Size 155KB
  • Sample240725-bj2assyemr
  • SHA256 1e76f1954d14aff43291a7079962d0ad3856657537a9595ba190d5c61abfc93c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • revengerat

Botnet
  • MAYO24

C2
  • karmina113.sytes.net:3333

  • karmina117.sytes.net:3333

  • karmina118.sytes.net:3333

  • karmina119.sytes.net:3333

  • nibiru3.duckdns.org:3333

  • nibiru4.duckdns.org:3333

  • nibiru5.duckdns.org:3333

  • nibiru6.duckdns.org:3333

Mutex
  • WSCollect

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_27.exe
    "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_27.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_27.exe
      "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_27.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Users\Admin\Documents\WSCollect.exe
        "C:\Users\Admin\Documents\WSCollect.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3504
        • C:\Users\Admin\Documents\WSCollect.exe
          "C:\Users\Admin\Documents\WSCollect.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4212

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        LisectAVT_2403002B_27.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\LisectAVT_2403002B_27.exe.log
        • Size 128B
        • SHA256 e24033ceec97fd03402b03acaaabd1d1e378e83bb1683afbccac760e00f8ead5
        • MD5 SHA1 SHA512

        WSCollect.exe

        • Path C:\Users\Admin\Documents\WSCollect.exe
        • Size 155KB
        • SHA256 1e76f1954d14aff43291a7079962d0ad3856657537a9595ba190d5c61abfc93c
        • MD5 SHA1 SHA512 SSDEEP

        memory/2348-27-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/2348-6-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/2348-8-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/2348-9-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/3504-29-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/3504-33-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/3504-23-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/3504-30-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4004-7-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4004-0-0x00000000748D2000-0x00000000748D3000-memory.dmp

        memory/4004-2-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4004-1-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4212-24-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/4212-31-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4212-32-0x00000000748D0000-0x0000000074E81000-memory.dmp

        memory/4212-34-0x00000000748D0000-0x0000000074E81000-memory.dmp