46fe68cfcc069a984cdc39beb9a8e6a5ff07f23281efffb7d09e9b95d0246840

Analysis

max time kernel
174s
max time network
181s
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, 21:07

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General

Target

040c29f2e1ddd52b5d3d82342be5c054.exe
Size

53KB
MD5

040c29f2e1ddd52b5d3d82342be5c054
SHA1

cef679049cee05ef4af8ca5c38bf178d3d9f9b51
SHA256

46fe68cfcc069a984cdc39beb9a8e6a5ff07f23281efffb7d09e9b95d0246840
SHA512

c50f839bb29ff5a9b7f696fbc2ad5b06633a18736ecbc6513134effc5b4c4ed4fb1623a4618a2c218d99da1741776991328a1a5b13079c5b5dd857cca3eddf3a
SSDEEP

1536:FVfNQv25QsT3RNGx8Z062GS+86kaYKRPdBIxyIGWjWSOP:FVp5QubL0DGS+vbRlBtV5

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,"	040c29f2e1ddd52b5d3d82342be5c054.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	040c29f2e1ddd52b5d3d82342be5c054.exe
File created	C:\Windows\SysWOW64\ntos.exe	040c29f2e1ddd52b5d3d82342be5c054.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4396	040c29f2e1ddd52b5d3d82342be5c054.exe
4396	040c29f2e1ddd52b5d3d82342be5c054.exe
4396	040c29f2e1ddd52b5d3d82342be5c054.exe
4396	040c29f2e1ddd52b5d3d82342be5c054.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4396	040c29f2e1ddd52b5d3d82342be5c054.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4
PID 4396 wrote to memory of 612	4396	040c29f2e1ddd52b5d3d82342be5c054.exe	4

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Users\Admin\AppData\Local\Temp\040c29f2e1ddd52b5d3d82342be5c054.exe
"C:\Users\Admin\AppData\Local\Temp\040c29f2e1ddd52b5d3d82342be5c054.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396

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/612-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/612-17-0x000000000A9E0000-0x000000000AA08000-memory.dmp

Filesize
160KB

Download
memory/612-22-0x000000000AA10000-0x000000000AA38000-memory.dmp

Filesize
160KB

Download
memory/612-27-0x000000000AA40000-0x000000000AA68000-memory.dmp

Filesize
160KB

Download
memory/612-32-0x000000000AA70000-0x000000000AA98000-memory.dmp

Filesize
160KB

Download
memory/612-37-0x000000000AAA0000-0x000000000AAC8000-memory.dmp

Filesize
160KB

Download
memory/612-42-0x000000000AAD0000-0x000000000AAF8000-memory.dmp

Filesize
160KB

Download
memory/612-47-0x000000000AB00000-0x000000000AB28000-memory.dmp

Filesize
160KB

Download
memory/612-52-0x000000000AB30000-0x000000000AB58000-memory.dmp

Filesize
160KB

Download
memory/612-57-0x000000000AB60000-0x000000000AB88000-memory.dmp

Filesize
160KB

Download
memory/612-62-0x000000000AB90000-0x000000000ABB8000-memory.dmp

Filesize
160KB

Download
memory/612-67-0x000000000ABC0000-0x000000000ABE8000-memory.dmp

Filesize
160KB

Download
memory/612-72-0x000000000ABF0000-0x000000000AC18000-memory.dmp

Filesize
160KB

Download
memory/612-77-0x000000000AC20000-0x000000000AC48000-memory.dmp

Filesize
160KB

Download
memory/612-82-0x000000000AC50000-0x000000000AC78000-memory.dmp

Filesize
160KB

Download
memory/612-87-0x000000000AC80000-0x000000000ACA8000-memory.dmp

Filesize
160KB

Download
memory/612-92-0x000000000ACB0000-0x000000000ACD8000-memory.dmp

Filesize
160KB

Download
memory/612-97-0x000000000ACE0000-0x000000000AD08000-memory.dmp

Filesize
160KB

Download
memory/612-102-0x000000000AD10000-0x000000000AD38000-memory.dmp

Filesize
160KB

Download
memory/612-107-0x000000000AD40000-0x000000000AD68000-memory.dmp

Filesize
160KB

Download
memory/612-112-0x000000000AD70000-0x000000000AD98000-memory.dmp

Filesize
160KB

Download
memory/612-117-0x000000000ADA0000-0x000000000ADC8000-memory.dmp

Filesize
160KB

Download
memory/612-122-0x000000000ADD0000-0x000000000ADF8000-memory.dmp

Filesize
160KB

Download
memory/612-127-0x000000000AE00000-0x000000000AE28000-memory.dmp

Filesize
160KB

Download
memory/612-132-0x000000000AE30000-0x000000000AE58000-memory.dmp

Filesize
160KB

Download
memory/612-137-0x000000000AE60000-0x000000000AE88000-memory.dmp

Filesize
160KB

Download
memory/612-142-0x000000000AE90000-0x000000000AEB8000-memory.dmp

Filesize
160KB

Download
memory/612-147-0x000000000AEC0000-0x000000000AEE8000-memory.dmp

Filesize
160KB

Download
memory/612-152-0x000000000AEF0000-0x000000000AF18000-memory.dmp

Filesize
160KB

Download
memory/612-157-0x000000000AF20000-0x000000000AF48000-memory.dmp

Filesize
160KB

Download
memory/612-162-0x000000000AF50000-0x000000000AF78000-memory.dmp

Filesize
160KB

Download
memory/612-167-0x000000000AF80000-0x000000000AFA8000-memory.dmp

Filesize
160KB

Download
memory/612-172-0x000000000AFB0000-0x000000000AFD8000-memory.dmp

Filesize
160KB

Download
memory/612-177-0x000000000AFE0000-0x000000000B008000-memory.dmp

Filesize
160KB

Download
memory/612-182-0x000000000B010000-0x000000000B038000-memory.dmp

Filesize
160KB

Download
memory/612-187-0x000000000B040000-0x000000000B068000-memory.dmp

Filesize
160KB

Download
memory/612-192-0x000000000B070000-0x000000000B098000-memory.dmp

Filesize
160KB

Download
memory/612-197-0x000000000B0A0000-0x000000000B0C8000-memory.dmp

Filesize
160KB

Download
memory/612-202-0x000000000B0D0000-0x000000000B0F8000-memory.dmp

Filesize
160KB

Download
memory/612-207-0x000000000B100000-0x000000000B128000-memory.dmp

Filesize
160KB

Download
memory/612-212-0x000000000B130000-0x000000000B158000-memory.dmp

Filesize
160KB

Download
memory/612-217-0x000000000B160000-0x000000000B188000-memory.dmp

Filesize
160KB

Download
memory/612-222-0x000000000B190000-0x000000000B1B8000-memory.dmp

Filesize
160KB

Download
memory/612-227-0x000000000B1C0000-0x000000000B1E8000-memory.dmp

Filesize
160KB

Download
memory/612-232-0x000000000B1F0000-0x000000000B218000-memory.dmp

Filesize
160KB

Download
memory/612-237-0x000000000B220000-0x000000000B248000-memory.dmp

Filesize
160KB

Download
memory/612-242-0x000000000B250000-0x000000000B278000-memory.dmp

Filesize
160KB

Download
memory/612-247-0x000000000B280000-0x000000000B2A8000-memory.dmp

Filesize
160KB

Download
memory/612-252-0x000000000B2B0000-0x000000000B2D8000-memory.dmp

Filesize
160KB

Download
memory/612-257-0x000000000B2E0000-0x000000000B308000-memory.dmp

Filesize
160KB

Download
memory/612-262-0x000000000B310000-0x000000000B338000-memory.dmp

Filesize
160KB

Download
memory/612-267-0x000000000B340000-0x000000000B368000-memory.dmp

Filesize
160KB

Download
memory/612-272-0x000000000B370000-0x000000000B398000-memory.dmp

Filesize
160KB

Download
memory/612-277-0x000000000B3A0000-0x000000000B3C8000-memory.dmp

Filesize
160KB

Download
memory/612-282-0x000000000B3D0000-0x000000000B3F8000-memory.dmp

Filesize
160KB

Download
memory/612-287-0x000000000B400000-0x000000000B428000-memory.dmp

Filesize
160KB

Download
memory/612-292-0x000000000B430000-0x000000000B458000-memory.dmp

Filesize
160KB

Download
memory/612-297-0x000000000B460000-0x000000000B488000-memory.dmp

Filesize
160KB

Download
memory/612-302-0x000000000B490000-0x000000000B4B8000-memory.dmp

Filesize
160KB

Download
memory/612-307-0x000000000B4C0000-0x000000000B4E8000-memory.dmp

Filesize
160KB

Download
memory/612-312-0x000000000B4F0000-0x000000000B518000-memory.dmp

Filesize
160KB

Download
memory/612-317-0x000000000B520000-0x000000000B548000-memory.dmp

Filesize
160KB

Download
memory/4396-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4396-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4396-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4396-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download