Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2023 21:16

General

  • Target

    f40df86d68d075c73e1be8ed5b3201f0e55a9eccf662258a219acee35df398df.exe

  • Size

    58KB

  • MD5

    b364e74e14f8a51d8198ddf8716dea25

  • SHA1

    a3477e425332dfec0c622f1a50cf80f1f6891110

  • SHA256

    f40df86d68d075c73e1be8ed5b3201f0e55a9eccf662258a219acee35df398df

  • SHA512

    cbc1a5f451d1fe8242466c357dcb6f6b7376ffb47f797930d88a282889711d6bcfad500243ce1b41bbc92ea4bab9094b8ea8f1415326ae2fceffae71a4f5f329

  • SSDEEP

    1536:wskqTQNhMxETZWr6PEwnAdlN3MBDCAZp4Y4/e66:5QYiupWDLce

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f40df86d68d075c73e1be8ed5b3201f0e55a9eccf662258a219acee35df398df.exe
    "C:\Users\Admin\AppData\Local\Temp\f40df86d68d075c73e1be8ed5b3201f0e55a9eccf662258a219acee35df398df.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies WinLogon
    • Suspicious use of SetWindowsHookEx
    PID:5032

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Defense Evasion

Modify Registry

2
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\xFoLOOOSErs.txt
    Filesize

    56B

    MD5

    af20189f6a3880ae6bb3d5f0d6ebe2ba

    SHA1

    1dbebff7cd1113ee2fab253cf8eb5a29f2bf6714

    SHA256

    9918fa7c2740853531a41e7675f4e09bc1c987afb556c5d2fcdd3f80f16056d0

    SHA512

    a6bb1ebee91339d6446a4bd4e706973f125347bc84b882c616e8abecf71a8c13d2f74ddb8de814a83e7584d90699898186bf1f4f235312e5871e7f84fdedfa0f

  • memory/5032-12-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-24-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-35-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-46-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-57-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-68-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-79-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-89-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-100-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-111-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-122-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-133-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-145-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/5032-156-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB