Analysis

  • max time kernel
    195s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08/07/2022, 07:59

General

  • Target
    7dcf9edbb6c768e78ac0f21c2096f64ae4a2502b687435b578cc2a1a828384a2.exe
  • Size 17KB
  • Sample220708-jvkfesadd9
  • SHA256 7dcf9edbb6c768e78ac0f21c2096f64ae4a2502b687435b578cc2a1a828384a2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • revengerat

Botnet
  • Guest

C2
  • dnstext.publicvm.com:111

Mutex
  • RV_MUTEX-DxjEexVoqqNL

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7dcf9edbb6c768e78ac0f21c2096f64ae4a2502b687435b578cc2a1a828384a2.exe
    "C:\Users\Admin\AppData\Local\Temp\7dcf9edbb6c768e78ac0f21c2096f64ae4a2502b687435b578cc2a1a828384a2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:300
    • C:\Users\Admin\AppData\Local\Temp\C.exe
      "C:\Users\Admin\AppData\Local\Temp\C.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:520

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        C.exe

        • Path C:\Users\Admin\AppData\Local\Temp\C.exe
        • Size 16KB
        • SHA256 bdd3be1ad38415332fff82064cf84f0753662939481b358c815fe40334a5c5cc
        • MD5 SHA1 SHA512 SSDEEP

        C.exe

        • Path C:\Users\Admin\AppData\Local\Temp\C.exe
        • Size 16KB
        • SHA256 bdd3be1ad38415332fff82064cf84f0753662939481b358c815fe40334a5c5cc
        • MD5 SHA1 SHA512 SSDEEP

        memory/300-130-0x0000000000CC0000-0x0000000000CCA000-memory.dmp

        memory/300-131-0x00007FFF18FC0000-0x00007FFF19A81000-memory.dmp

        memory/300-135-0x00007FFF18FC0000-0x00007FFF19A81000-memory.dmp

        memory/520-136-0x00007FFF17FD0000-0x00007FFF18A06000-memory.dmp