Overview

overview

10

Static

static

704ed81fef...6a.exe

windows7-x64

10

704ed81fef...6a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    183s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 16:37

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target

    704ed81fef1e76466aefc2345793d7ee7123411c5b51b702a9e5ffb582595c6a.exe

  • Size

    320KB

  • MD5

    e3ac19cdbcc42b240148d8b91594244a

  • SHA1

    1249ee516c74cc71771e27ac1e3f02d722fb1112

  • SHA256

    704ed81fef1e76466aefc2345793d7ee7123411c5b51b702a9e5ffb582595c6a

  • SHA512

    b2cf2461fb8b323aefdfec609888277d8a92a75837abf641ed4f7725d5e09157bc6ec24268d202753a9949176b7720bbf53630a10a06f33cc2aac56380497da2

  • SSDEEP

    6144:rTwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:fCgvmzFHi0mo5aH0qMzd5807F7qPJQPx

Score
10/10
evasionpersistencetrojan

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
    persistence
  • UAC bypass 3 TTPs 12 IoCs
    evasiontrojan
  • Adds policy Run key to start application 2 TTPs 28 IoCs
    persistence
  • Disables RegEdit via registry modification 6 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 64 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
    evasiontrojan
  • Looks up external IP address via web service 5 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 39 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\704ed81fef1e76466aefc2345793d7ee7123411c5b51b702a9e5ffb582595c6a.exe
    "C:\Users\Admin\AppData\Local\Temp\704ed81fef1e76466aefc2345793d7ee7123411c5b51b702a9e5ffb582595c6a.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4692
    • C:\Users\Admin\AppData\Local\Temp\yhnobgs.exe
      "C:\Users\Admin\AppData\Local\Temp\yhnobgs.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:1776
    • C:\Users\Admin\AppData\Local\Temp\yhnobgs.exe
      "C:\Users\Admin\AppData\Local\Temp\yhnobgs.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • System policy modification
      PID:3024
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1328

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            724KB

            MD5

            83e5be53e87b131a2bf3ad0af436db23

            SHA1

            fd680d0e458902fb9078c736c9b8d65fc2d65729

            SHA256

            2d05773673bddd6b53e1cef4869cffbe0c64c45c75154876e53c8290b722f7a6

            SHA512

            6b8557f989cbd9cdfaae1f32c35f0321913a97903ae267d5c0f81a8572580fb4d93267183a515d24f59ffa70e4c2604f5f93d6811329699c4ba2ccd24cf60ade

            Download Submit

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

            724KB

            MD5

            83e5be53e87b131a2bf3ad0af436db23

            SHA1

            fd680d0e458902fb9078c736c9b8d65fc2d65729

            SHA256

            2d05773673bddd6b53e1cef4869cffbe0c64c45c75154876e53c8290b722f7a6

            SHA512

            6b8557f989cbd9cdfaae1f32c35f0321913a97903ae267d5c0f81a8572580fb4d93267183a515d24f59ffa70e4c2604f5f93d6811329699c4ba2ccd24cf60ade

            Download Submit

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

            724KB

            MD5

            83e5be53e87b131a2bf3ad0af436db23

            SHA1

            fd680d0e458902fb9078c736c9b8d65fc2d65729

            SHA256

            2d05773673bddd6b53e1cef4869cffbe0c64c45c75154876e53c8290b722f7a6

            SHA512

            6b8557f989cbd9cdfaae1f32c35f0321913a97903ae267d5c0f81a8572580fb4d93267183a515d24f59ffa70e4c2604f5f93d6811329699c4ba2ccd24cf60ade

            Download Submit