786ea4c1b6439a28afd4cca7cec3bd997b6afa04cf29f359799edfc3a725d36b

Analysis

max time kernel
159s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 19:41

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General

Target

021142eee8368dca2462f17ac386d95e.exe
Size

49KB
MD5

021142eee8368dca2462f17ac386d95e
SHA1

3d6b0c4c8e6bc612d6673f300da60b8a4d155764
SHA256

786ea4c1b6439a28afd4cca7cec3bd997b6afa04cf29f359799edfc3a725d36b
SHA512

db7076fcbf3e89fde50e81b655e1dd769d1cd90b6cd680d476d48505b0ae2d2ea60f6520735e2c40220a0c8503bf9c83903b00956bdfa86ccfdbcc9461fa2513
SSDEEP

768:9z5/pNTFMpqQIBtHzPXAN94w39vNY9xJYSURxGjMw48Z31tzmW7yiXQyD0utxdIE:p5BQpqQ6z4XvNvNOJYBxAZ31B7y9/ad

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,"	021142eee8368dca2462f17ac386d95e.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ntos.exe	021142eee8368dca2462f17ac386d95e.exe
File opened for modification	C:\Windows\SysWOW64\ntos.exe	021142eee8368dca2462f17ac386d95e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3524	021142eee8368dca2462f17ac386d95e.exe
3524	021142eee8368dca2462f17ac386d95e.exe
3524	021142eee8368dca2462f17ac386d95e.exe
3524	021142eee8368dca2462f17ac386d95e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3524	021142eee8368dca2462f17ac386d95e.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3
PID 3524 wrote to memory of 616	3524	021142eee8368dca2462f17ac386d95e.exe	3

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Users\Admin\AppData\Local\Temp\021142eee8368dca2462f17ac386d95e.exe
"C:\Users\Admin\AppData\Local\Temp\021142eee8368dca2462f17ac386d95e.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

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/616-10-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/616-14-0x000000001B7A0000-0x000000001B7C7000-memory.dmp

Filesize
156KB

Download
memory/616-18-0x000000001B7D0000-0x000000001B7F7000-memory.dmp

Filesize
156KB

Download
memory/616-22-0x000000001B800000-0x000000001B827000-memory.dmp

Filesize
156KB

Download
memory/616-26-0x000000001B830000-0x000000001B857000-memory.dmp

Filesize
156KB

Download
memory/616-30-0x000000001B860000-0x000000001B887000-memory.dmp

Filesize
156KB

Download
memory/616-34-0x000000001B890000-0x000000001B8B7000-memory.dmp

Filesize
156KB

Download
memory/616-38-0x000000001B8C0000-0x000000001B8E7000-memory.dmp

Filesize
156KB

Download
memory/616-42-0x000000001B8F0000-0x000000001B917000-memory.dmp

Filesize
156KB

Download
memory/616-46-0x000000001B920000-0x000000001B947000-memory.dmp

Filesize
156KB

Download
memory/616-50-0x000000001B950000-0x000000001B977000-memory.dmp

Filesize
156KB

Download
memory/616-54-0x000000001B980000-0x000000001B9A7000-memory.dmp

Filesize
156KB

Download
memory/616-58-0x000000001B9B0000-0x000000001B9D7000-memory.dmp

Filesize
156KB

Download
memory/616-62-0x000000001B9E0000-0x000000001BA07000-memory.dmp

Filesize
156KB

Download
memory/616-66-0x000000001BA10000-0x000000001BA37000-memory.dmp

Filesize
156KB

Download
memory/616-70-0x000000001BA40000-0x000000001BA67000-memory.dmp

Filesize
156KB

Download
memory/616-74-0x000000001BA70000-0x000000001BA97000-memory.dmp

Filesize
156KB

Download
memory/616-78-0x000000001BAA0000-0x000000001BAC7000-memory.dmp

Filesize
156KB

Download
memory/616-82-0x000000001BAD0000-0x000000001BAF7000-memory.dmp

Filesize
156KB

Download
memory/616-86-0x000000001BB00000-0x000000001BB27000-memory.dmp

Filesize
156KB

Download
memory/616-90-0x000000001BB30000-0x000000001BB57000-memory.dmp

Filesize
156KB

Download
memory/616-94-0x000000001BB60000-0x000000001BB87000-memory.dmp

Filesize
156KB

Download
memory/616-98-0x000000001BB90000-0x000000001BBB7000-memory.dmp

Filesize
156KB

Download
memory/616-102-0x000000001BBC0000-0x000000001BBE7000-memory.dmp

Filesize
156KB

Download
memory/616-106-0x000000001BBF0000-0x000000001BC17000-memory.dmp

Filesize
156KB

Download
memory/616-110-0x000000001BC20000-0x000000001BC47000-memory.dmp

Filesize
156KB

Download
memory/616-114-0x000000001BC50000-0x000000001BC77000-memory.dmp

Filesize
156KB

Download
memory/616-118-0x000000001BC80000-0x000000001BCA7000-memory.dmp

Filesize
156KB

Download
memory/616-122-0x000000001BCB0000-0x000000001BCD7000-memory.dmp

Filesize
156KB

Download
memory/616-126-0x000000001BCE0000-0x000000001BD07000-memory.dmp

Filesize
156KB

Download
memory/616-130-0x000000001BD10000-0x000000001BD37000-memory.dmp

Filesize
156KB

Download
memory/616-134-0x000000001BD40000-0x000000001BD67000-memory.dmp

Filesize
156KB

Download
memory/616-138-0x000000001BD70000-0x000000001BD97000-memory.dmp

Filesize
156KB

Download
memory/616-142-0x000000001BDA0000-0x000000001BDC7000-memory.dmp

Filesize
156KB

Download
memory/616-146-0x000000001BDD0000-0x000000001BDF7000-memory.dmp

Filesize
156KB

Download
memory/616-150-0x000000001BE00000-0x000000001BE27000-memory.dmp

Filesize
156KB

Download
memory/616-155-0x000000001BE30000-0x000000001BE57000-memory.dmp

Filesize
156KB

Download
memory/616-159-0x000000001BE60000-0x000000001BE87000-memory.dmp

Filesize
156KB

Download
memory/616-163-0x000000001BE90000-0x000000001BEB7000-memory.dmp

Filesize
156KB

Download
memory/616-167-0x000000001BEC0000-0x000000001BEE7000-memory.dmp

Filesize
156KB

Download
memory/616-171-0x000000001BEF0000-0x000000001BF17000-memory.dmp

Filesize
156KB

Download
memory/616-175-0x000000001BF20000-0x000000001BF47000-memory.dmp

Filesize
156KB

Download
memory/616-179-0x000000001BF50000-0x000000001BF77000-memory.dmp

Filesize
156KB

Download
memory/616-183-0x000000001BF80000-0x000000001BFA7000-memory.dmp

Filesize
156KB

Download
memory/616-187-0x000000001BFB0000-0x000000001BFD7000-memory.dmp

Filesize
156KB

Download
memory/616-191-0x000000001BFE0000-0x000000001C007000-memory.dmp

Filesize
156KB

Download
memory/616-195-0x000000001C010000-0x000000001C037000-memory.dmp

Filesize
156KB

Download
memory/616-199-0x000000001C040000-0x000000001C067000-memory.dmp

Filesize
156KB

Download
memory/616-207-0x000000001C0A0000-0x000000001C0C7000-memory.dmp

Filesize
156KB

Download
memory/616-203-0x000000001C070000-0x000000001C097000-memory.dmp

Filesize
156KB

Download
memory/616-211-0x000000001C0D0000-0x000000001C0F7000-memory.dmp

Filesize
156KB

Download
memory/616-215-0x000000001C100000-0x000000001C127000-memory.dmp

Filesize
156KB

Download
memory/616-219-0x000000001C130000-0x000000001C157000-memory.dmp

Filesize
156KB

Download
memory/616-223-0x000000001C160000-0x000000001C187000-memory.dmp

Filesize
156KB

Download
memory/616-227-0x000000001C190000-0x000000001C1B7000-memory.dmp

Filesize
156KB

Download
memory/616-231-0x000000001C1C0000-0x000000001C1E7000-memory.dmp

Filesize
156KB

Download
memory/616-235-0x000000001C1F0000-0x000000001C217000-memory.dmp

Filesize
156KB

Download
memory/616-239-0x000000001C220000-0x000000001C247000-memory.dmp

Filesize
156KB

Download
memory/616-243-0x000000001C250000-0x000000001C277000-memory.dmp

Filesize
156KB

Download
memory/616-247-0x000000001C280000-0x000000001C2A7000-memory.dmp

Filesize
156KB

Download
memory/616-251-0x000000001C2B0000-0x000000001C2D7000-memory.dmp

Filesize
156KB

Download
memory/616-255-0x000000001C2E0000-0x000000001C307000-memory.dmp

Filesize
156KB

Download
memory/3524-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3524-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3524-2-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download