Overview

overview

10

Static

static

3

7b85af78b3...89.exe

windows7-x64

10

7b85af78b3...89.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:35

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General

  • Target

    7b85af78b32d06e2ea9a5bd129167644cc8c30243adad96fa0757b7dcea25589.exe

  • Size

    135KB

  • MD5

    0fa7b57aa73d7e81d2019e3c327dbde6

  • SHA1

    f866b1e97f5d92dceb9e9e302df5c4fa938ab9c9

  • SHA256

    7b85af78b32d06e2ea9a5bd129167644cc8c30243adad96fa0757b7dcea25589

  • SHA512

    d0b44e540eccb73e7fb1afef3f3c6a91a62584b5474b2f45104ede1ad49b82dc1749bfb0435ad604f75cfbbed27b381235b72e88c3dfda134f38dc368bb1b248

  • SSDEEP

    1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbg+K:XVqoCl/YgjxEufVU0TbTyDDalZK

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b85af78b32d06e2ea9a5bd129167644cc8c30243adad96fa0757b7dcea25589.exe
    "C:\Users\Admin\AppData\Local\Temp\7b85af78b32d06e2ea9a5bd129167644cc8c30243adad96fa0757b7dcea25589.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3332
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1840
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:848
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3364
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:4664

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

2
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Windows\Resources\spoolsv.exe
    Filesize

    135KB

    MD5

    37bba916fadeaaff80b6cfb90ebd9e1c

    SHA1

    6b77283aef04757e62279efb31c9c9c365f0fc33

    SHA256

    c69facd8929168744bc5947891d700950de5580b6c6cf02e32033a1d3276559b

    SHA512

    84a22280c4b02171977e50e08c2ee2baa5cb7730fb2524f1676a5c94ff344366b3962c427ee4e93f135918f1be87585f9735240426e2dcd93aa705b7feff74a2

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  • C:\Windows\Resources\svchost.exe
    Filesize

    135KB

    MD5

    43ac972d626258aec9bcf20d86a4595e

    SHA1

    94430a9cce364f6daf01098ba34741062cd20f1f

    SHA256

    883e0dfcd9fa2245250c6d4fb30d595aa43eb06cedd276de322163acb5278d2c

    SHA512

    c1dd838b107b8ce1df9116c70673ad56e06eed8ef915be8448afc8400b332b0c7caf7f63a592fdd897a69bfc708a65f7d2532179a479c81b924b305eeedeb770

    Download Submit
  • \??\c:\windows\resources\themes\explorer.exe
    Filesize

    135KB

    MD5

    ec080cf16a942ab1f93361ae519ccdbc

    SHA1

    fbca694664cf44dd7b880a360ff6e19b31025177

    SHA256

    ca0f7843a436a59075726ae32e077f5d60ec7bcbf8853a5c9b41e1b0d8bc417c

    SHA512

    61f93e11cebb6c40658425a66447af7ebbe28c67a0f72027031301b3c9cc61d07e69b453dabd346a8dc7d42a4bdb79e6382a8c5ffc003f57c033f091c9fafc04

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  • memory/848-34-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/3332-0-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/3332-35-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/3364-26-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/4664-33-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download