afa261342008550d0f0db57b654b7a5aceb85426c485ec236f8d8c16a070181d

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 09:00

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General

Target

406f17aaf80ada8caf4d88e87fc3d1d0.exe
Size

49KB
MD5

406f17aaf80ada8caf4d88e87fc3d1d0
SHA1

370fd393e37678e1512274b8655205a52535a125
SHA256

afa261342008550d0f0db57b654b7a5aceb85426c485ec236f8d8c16a070181d
SHA512

9e5801f13fd5f00d3d20796cdd028901688ec45481566926b04f93a8ca25df763a2cdafe0c310aa290c991945aa1d592594353f35d6b359589c77935e7389554
SSDEEP

1536:o2vOWOUxbbEc26RJysEYtYSIvIielu440U3Nmu:LOWOU9e6RJytE4vIZA440Udmu

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\ntos.exe,"	406f17aaf80ada8caf4d88e87fc3d1d0.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	406f17aaf80ada8caf4d88e87fc3d1d0.exe
File created	C:\Windows\SysWOW64\ntos.exe	406f17aaf80ada8caf4d88e87fc3d1d0.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
64	406f17aaf80ada8caf4d88e87fc3d1d0.exe
64	406f17aaf80ada8caf4d88e87fc3d1d0.exe
64	406f17aaf80ada8caf4d88e87fc3d1d0.exe
64	406f17aaf80ada8caf4d88e87fc3d1d0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3
PID 64 wrote to memory of 584	64	406f17aaf80ada8caf4d88e87fc3d1d0.exe	3

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:584

C:\Users\Admin\AppData\Local\Temp\406f17aaf80ada8caf4d88e87fc3d1d0.exe
"C:\Users\Admin\AppData\Local\Temp\406f17aaf80ada8caf4d88e87fc3d1d0.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:64

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/64-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/64-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/64-2-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/64-4-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/64-3-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/584-12-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/584-20-0x0000000037D30000-0x0000000037D57000-memory.dmp

Filesize
156KB

Download
memory/584-24-0x0000000037D60000-0x0000000037D87000-memory.dmp

Filesize
156KB

Download
memory/584-28-0x0000000037D90000-0x0000000037DB7000-memory.dmp

Filesize
156KB

Download
memory/584-32-0x0000000037DC0000-0x0000000037DE7000-memory.dmp

Filesize
156KB

Download
memory/584-16-0x0000000037D00000-0x0000000037D27000-memory.dmp

Filesize
156KB

Download
memory/584-36-0x0000000037DF0000-0x0000000037E17000-memory.dmp

Filesize
156KB

Download
memory/584-40-0x0000000037E20000-0x0000000037E47000-memory.dmp

Filesize
156KB

Download
memory/584-48-0x0000000037E80000-0x0000000037EA7000-memory.dmp

Filesize
156KB

Download
memory/584-52-0x0000000037EB0000-0x0000000037ED7000-memory.dmp

Filesize
156KB

Download
memory/584-56-0x0000000037EE0000-0x0000000037F07000-memory.dmp

Filesize
156KB

Download
memory/584-44-0x0000000037E50000-0x0000000037E77000-memory.dmp

Filesize
156KB

Download
memory/584-60-0x0000000037F10000-0x0000000037F37000-memory.dmp

Filesize
156KB

Download
memory/584-64-0x0000000037F40000-0x0000000037F67000-memory.dmp

Filesize
156KB

Download
memory/584-68-0x0000000037F70000-0x0000000037F97000-memory.dmp

Filesize
156KB

Download
memory/584-72-0x0000000037FA0000-0x0000000037FC7000-memory.dmp

Filesize
156KB

Download
memory/584-76-0x0000000037FD0000-0x0000000037FF7000-memory.dmp

Filesize
156KB

Download
memory/584-80-0x0000000038000000-0x0000000038027000-memory.dmp

Filesize
156KB

Download
memory/584-84-0x0000000038030000-0x0000000038057000-memory.dmp

Filesize
156KB

Download
memory/584-88-0x0000000038060000-0x0000000038087000-memory.dmp

Filesize
156KB

Download
memory/584-96-0x00000000380C0000-0x00000000380E7000-memory.dmp

Filesize
156KB

Download
memory/584-100-0x00000000380F0000-0x0000000038117000-memory.dmp

Filesize
156KB

Download
memory/584-104-0x0000000038120000-0x0000000038147000-memory.dmp

Filesize
156KB

Download
memory/584-108-0x0000000038150000-0x0000000038177000-memory.dmp

Filesize
156KB

Download
memory/584-112-0x0000000038180000-0x00000000381A7000-memory.dmp

Filesize
156KB

Download
memory/584-92-0x0000000038090000-0x00000000380B7000-memory.dmp

Filesize
156KB

Download
memory/584-116-0x00000000381B0000-0x00000000381D7000-memory.dmp

Filesize
156KB

Download
memory/584-120-0x00000000381E0000-0x0000000038207000-memory.dmp

Filesize
156KB

Download
memory/584-124-0x0000000038210000-0x0000000038237000-memory.dmp

Filesize
156KB

Download
memory/584-132-0x0000000038270000-0x0000000038297000-memory.dmp

Filesize
156KB

Download
memory/584-136-0x00000000382A0000-0x00000000382C7000-memory.dmp

Filesize
156KB

Download
memory/584-144-0x0000000038300000-0x0000000038327000-memory.dmp

Filesize
156KB

Download
memory/584-148-0x0000000038330000-0x0000000038357000-memory.dmp

Filesize
156KB

Download
memory/584-152-0x0000000038360000-0x0000000038387000-memory.dmp

Filesize
156KB

Download
memory/584-140-0x00000000382D0000-0x00000000382F7000-memory.dmp

Filesize
156KB

Download
memory/584-128-0x0000000038240000-0x0000000038267000-memory.dmp

Filesize
156KB

Download
memory/584-156-0x0000000038390000-0x00000000383B7000-memory.dmp

Filesize
156KB

Download
memory/584-164-0x00000000383F0000-0x0000000038417000-memory.dmp

Filesize
156KB

Download
memory/584-168-0x0000000038420000-0x0000000038447000-memory.dmp

Filesize
156KB

Download
memory/584-172-0x0000000038450000-0x0000000038477000-memory.dmp

Filesize
156KB

Download
memory/584-176-0x0000000038480000-0x00000000384A7000-memory.dmp

Filesize
156KB

Download
memory/584-180-0x00000000384B0000-0x00000000384D7000-memory.dmp

Filesize
156KB

Download
memory/584-184-0x00000000384E0000-0x0000000038507000-memory.dmp

Filesize
156KB

Download
memory/584-160-0x00000000383C0000-0x00000000383E7000-memory.dmp

Filesize
156KB

Download
memory/584-188-0x0000000038510000-0x0000000038537000-memory.dmp

Filesize
156KB

Download
memory/584-196-0x0000000038570000-0x0000000038597000-memory.dmp

Filesize
156KB

Download
memory/584-200-0x00000000385A0000-0x00000000385C7000-memory.dmp

Filesize
156KB

Download
memory/584-192-0x0000000038540000-0x0000000038567000-memory.dmp

Filesize
156KB

Download
memory/584-204-0x00000000385D0000-0x00000000385F7000-memory.dmp

Filesize
156KB

Download
memory/584-208-0x0000000038600000-0x0000000038627000-memory.dmp

Filesize
156KB

Download
memory/584-216-0x0000000038660000-0x0000000038687000-memory.dmp

Filesize
156KB

Download
memory/584-220-0x0000000038690000-0x00000000386B7000-memory.dmp

Filesize
156KB

Download
memory/584-224-0x00000000386C0000-0x00000000386E7000-memory.dmp

Filesize
156KB

Download
memory/584-228-0x00000000386F0000-0x0000000038717000-memory.dmp

Filesize
156KB

Download
memory/584-232-0x0000000038720000-0x0000000038747000-memory.dmp

Filesize
156KB

Download
memory/584-236-0x0000000038750000-0x0000000038777000-memory.dmp

Filesize
156KB

Download
memory/584-240-0x0000000038780000-0x00000000387A7000-memory.dmp

Filesize
156KB

Download
memory/584-244-0x00000000387B0000-0x00000000387D7000-memory.dmp

Filesize
156KB

Download
memory/584-252-0x0000000038810000-0x0000000038837000-memory.dmp

Filesize
156KB

Download
memory/584-256-0x0000000038840000-0x0000000038867000-memory.dmp

Filesize
156KB

Download
memory/584-260-0x0000000038870000-0x0000000038897000-memory.dmp

Filesize
156KB

Download
memory/584-248-0x00000000387E0000-0x0000000038807000-memory.dmp

Filesize
156KB

Download
memory/584-212-0x0000000038630000-0x0000000038657000-memory.dmp

Filesize
156KB

Download