Analysis

  • max time kernel
    4294213s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    26-03-2022 02:22

General

  • Target

    1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe

  • Size

    254KB

  • MD5

    2e0028323603aa6918e38e0c92755825

  • SHA1

    f477007ed48ad39afb53d5c82383bc99423fb2ef

  • SHA256

    1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280

  • SHA512

    2de163f12b6ae8ca02ece0b94c9dc9fa24f8d645f8ac2ebc054b6e141aa0204073f50cf357cdfb74979ed164f1a5af01262270bc7ba60486a69dc24005ed8df0

Malware Config

Extracted

Family

revengerat

Botnet

Nov

C2

80.82.68.21:3333

Mutex

RV_MUTEX-IgZblRvZwfRt

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Beds Protector Packer 1 IoCs

    Detects Beds Protector packer used to load .NET malware.

  • RevengeRat Executable 5 IoCs
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe
    "C:\Users\Admin\AppData\Local\Temp\1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c timeout 5 & powershell -command Start-Process -WindowStyle hidden -FilePath 'C:\Users\Admin\AppData\Local\Temp\\927543.js'; Start-Sleep -s 5; Start-Process -WindowStyle hidden -FilePath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe'
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Windows\SysWOW64\timeout.exe
        timeout 5
        3⤵
        • Delays execution with timeout.exe
        PID:632
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -command Start-Process -WindowStyle hidden -FilePath 'C:\Users\Admin\AppData\Local\Temp\\927543.js'; Start-Sleep -s 5; Start-Process -WindowStyle hidden -FilePath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1660
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\927543.js"
          4⤵
          • Suspicious behavior: RenamesItself
          PID:1468
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe"
          4⤵
          • Drops startup file
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:112
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1538bdbcaa726662785bd503063af939f08260b45400292592bf63caa4d8a280.exe"
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1420

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\927543.js

    MD5

    0f3972f0eb12f2eec25d627fe5f5eb4d

    SHA1

    4515e37481966627778bb814018e284d631624fd

    SHA256

    d5a0a6a8d207c52c63261317eb572637407ff197161c66cf27f4fb4522e0e3f5

    SHA512

    1ff14a996ea42c3d03fdae0038e3fe228c2d0e54ee96dd25c332647c1f814fa4f4b89db0896538cf6fa838d347acaab19ad56934b29df189357787bec50a88dd

  • memory/112-66-0x0000000000C80000-0x0000000000CC4000-memory.dmp

    Filesize

    272KB

  • memory/112-65-0x0000000000000000-mapping.dmp

  • memory/580-55-0x00000000005A0000-0x00000000005DA000-memory.dmp

    Filesize

    232KB

  • memory/580-54-0x0000000000C80000-0x0000000000CC4000-memory.dmp

    Filesize

    272KB

  • memory/632-57-0x0000000000000000-mapping.dmp

  • memory/988-56-0x0000000000000000-mapping.dmp

  • memory/1420-67-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1420-68-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1420-70-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1420-71-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1420-72-0x0000000000405DCE-mapping.dmp

  • memory/1420-74-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1420-76-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1468-63-0x0000000000000000-mapping.dmp

  • memory/1660-61-0x0000000002450000-0x000000000309A000-memory.dmp

    Filesize

    12.3MB

  • memory/1660-60-0x0000000073AD0000-0x000000007407B000-memory.dmp

    Filesize

    5.7MB

  • memory/1660-59-0x0000000075561000-0x0000000075563000-memory.dmp

    Filesize

    8KB

  • memory/1660-58-0x0000000000000000-mapping.dmp