Analysis

  • max time kernel
    135s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 07:59

General

  • Target

    7dcf9edbb6c768e78ac0f21c2096f64ae4a2502b687435b578cc2a1a828384a2.exe

  • Size

    17KB

  • MD5

    3e2021ca808317e1eb7c2e0a0c8ae009

  • SHA1

    713c6d2139f0f0a00b911d2b3ac2a5cdda08995b

  • SHA256

    7dcf9edbb6c768e78ac0f21c2096f64ae4a2502b687435b578cc2a1a828384a2

  • SHA512

    73e64d3adf64310ee56d4c2774cc318fae633e1cb3f80df15436a37c4a8185ab881a3906ec99c360f8a8fa3e8341c06898f26233ffe6462eb708947bc8ef9371

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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7dcf9edbb6c768e78ac0f21c2096f64ae4a2502b687435b578cc2a1a828384a2.exe
    "C:\Users\Admin\AppData\Local\Temp\7dcf9edbb6c768e78ac0f21c2096f64ae4a2502b687435b578cc2a1a828384a2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2024
    • 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:1672

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\C.exe
    Filesize

    16KB

    MD5

    076830ba20c76c34a86002ca274eb7e1

    SHA1

    01ff5288ac557d5f05941f407d59ccec137c2b50

    SHA256

    bdd3be1ad38415332fff82064cf84f0753662939481b358c815fe40334a5c5cc

    SHA512

    700d48de064b08288d49abefb34145b9ccab2518cae4f879e47c9749bf928f8409d049260259cf25c356bb769bd1d9954880d02cc9a279c57c230fa72f80ebf8

  • C:\Users\Admin\AppData\Local\Temp\C.exe
    Filesize

    16KB

    MD5

    076830ba20c76c34a86002ca274eb7e1

    SHA1

    01ff5288ac557d5f05941f407d59ccec137c2b50

    SHA256

    bdd3be1ad38415332fff82064cf84f0753662939481b358c815fe40334a5c5cc

    SHA512

    700d48de064b08288d49abefb34145b9ccab2518cae4f879e47c9749bf928f8409d049260259cf25c356bb769bd1d9954880d02cc9a279c57c230fa72f80ebf8

  • memory/1672-56-0x0000000000000000-mapping.dmp
  • memory/1672-59-0x000007FEF4FD0000-0x000007FEF59F3000-memory.dmp
    Filesize

    10.1MB

  • memory/1672-60-0x000007FEF3410000-0x000007FEF44A6000-memory.dmp
    Filesize

    16.6MB

  • memory/2024-54-0x00000000013B0000-0x00000000013BA000-memory.dmp
    Filesize

    40KB

  • memory/2024-55-0x000007FEFC061000-0x000007FEFC063000-memory.dmp
    Filesize

    8KB