Overview

overview

10

Static

static

6ed1bb8486...13.exe

windows7-x64

10

6ed1bb8486...13.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    197s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:23

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General

  • Target

    6ed1bb8486b7248f3ef578dcd4c5696455d2bcdd1b3e5aaec2fab98d187cc513.exe

  • Size

    104KB

  • MD5

    17f8b3abe51a95bbcdc89c81a3236825

  • SHA1

    a0966877fc07692fa72b85d12f92316ba55153f1

  • SHA256

    6ed1bb8486b7248f3ef578dcd4c5696455d2bcdd1b3e5aaec2fab98d187cc513

  • SHA512

    5cc2236974ee1ca1f94f278278ca36048a1025cdda96de293b5fe8a43036c0783121105c02173387c128490dfa69e1bcbb4fe1e4cd73d0f0c74bf7d03dbd600a

  • SSDEEP

    1536:3ghvr9f5Wieh6hC3KwTHlyHcw1rqVjSxakAyBGss7oJd:whTldehWwTHlyHBQNSxZs7

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 1 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 29 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ed1bb8486b7248f3ef578dcd4c5696455d2bcdd1b3e5aaec2fab98d187cc513.exe
    "C:\Users\Admin\AppData\Local\Temp\6ed1bb8486b7248f3ef578dcd4c5696455d2bcdd1b3e5aaec2fab98d187cc513.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Users\Admin\buuarap.exe
      "C:\Users\Admin\buuarap.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1412

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\buuarap.exe
    Filesize

    104KB

    MD5

    86c5e2dcb910a387f885c0c629e1ad8f

    SHA1

    feddb3b445316f3af980bfc34ae3d98cc36e45df

    SHA256

    0b4da3ec70be76a28300c96c078caac25a19c75dae9838167cf97fc9ebb3be13

    SHA512

    c660e30cfe545b1e137e855b8c131f3dc591e9bb4770c7c286f0554325d19e50fdad423b1305731d0eb6b323901cfd89c06efa6cc74664f7a4abbe918abaf11c

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  • C:\Users\Admin\buuarap.exe
    Filesize

    104KB

    MD5

    86c5e2dcb910a387f885c0c629e1ad8f

    SHA1

    feddb3b445316f3af980bfc34ae3d98cc36e45df

    SHA256

    0b4da3ec70be76a28300c96c078caac25a19c75dae9838167cf97fc9ebb3be13

    SHA512

    c660e30cfe545b1e137e855b8c131f3dc591e9bb4770c7c286f0554325d19e50fdad423b1305731d0eb6b323901cfd89c06efa6cc74664f7a4abbe918abaf11c

    Download Submit
  • memory/1412-134-0x0000000000000000-mapping.dmp
    Download