06357fa76bb511842f341dd694357199f3464693f5f43130d7522e541e6a3c4b

Analysis

max time kernel
152s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 08:46

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General

Target

43410b84ba93d7ac4fbeb9d70d505eea.exe
Size

46KB
MD5

43410b84ba93d7ac4fbeb9d70d505eea
SHA1

c90885fb9841b123b179d48374939679c4a5a63f
SHA256

06357fa76bb511842f341dd694357199f3464693f5f43130d7522e541e6a3c4b
SHA512

a199114b3ebdeb674014779d418d98a94a38c2f1f856ff414b62302a6f6c6263348edcb3ee64556ec4b40d9872883df6c265bd9a680e3bb106c8121dbc8c63e7
SSDEEP

768:pjNLx06RHdo5J+0fMUDOmCI+H6fyWQ4Avr6xygRfIdV2BLBXVeQgHXYBtuB:pZZwf+0fFDOFIiUhAD6xygRfIKX8QoXd

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,"	43410b84ba93d7ac4fbeb9d70d505eea.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	43410b84ba93d7ac4fbeb9d70d505eea.exe
File created	C:\Windows\SysWOW64\ntos.exe	43410b84ba93d7ac4fbeb9d70d505eea.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
636	43410b84ba93d7ac4fbeb9d70d505eea.exe
636	43410b84ba93d7ac4fbeb9d70d505eea.exe
636	43410b84ba93d7ac4fbeb9d70d505eea.exe
636	43410b84ba93d7ac4fbeb9d70d505eea.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	43410b84ba93d7ac4fbeb9d70d505eea.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6
PID 636 wrote to memory of 600	636	43410b84ba93d7ac4fbeb9d70d505eea.exe	6

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:600

C:\Users\Admin\AppData\Local\Temp\43410b84ba93d7ac4fbeb9d70d505eea.exe
"C:\Users\Admin\AppData\Local\Temp\43410b84ba93d7ac4fbeb9d70d505eea.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636

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/600-11-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/600-16-0x0000000012300000-0x0000000012325000-memory.dmp

Filesize
148KB

Download
memory/600-21-0x0000000012330000-0x0000000012355000-memory.dmp

Filesize
148KB

Download
memory/600-26-0x0000000012360000-0x0000000012385000-memory.dmp

Filesize
148KB

Download
memory/600-31-0x0000000012390000-0x00000000123B5000-memory.dmp

Filesize
148KB

Download
memory/600-36-0x00000000123C0000-0x00000000123E5000-memory.dmp

Filesize
148KB

Download
memory/600-41-0x00000000123F0000-0x0000000012415000-memory.dmp

Filesize
148KB

Download
memory/600-46-0x0000000012420000-0x0000000012445000-memory.dmp

Filesize
148KB

Download
memory/600-51-0x0000000012450000-0x0000000012475000-memory.dmp

Filesize
148KB

Download
memory/600-56-0x0000000012480000-0x00000000124A5000-memory.dmp

Filesize
148KB

Download
memory/600-66-0x00000000124E0000-0x0000000012505000-memory.dmp

Filesize
148KB

Download
memory/600-71-0x0000000012510000-0x0000000012535000-memory.dmp

Filesize
148KB

Download
memory/600-76-0x0000000012540000-0x0000000012565000-memory.dmp

Filesize
148KB

Download
memory/600-81-0x0000000012570000-0x0000000012595000-memory.dmp

Filesize
148KB

Download
memory/600-86-0x00000000125A0000-0x00000000125C5000-memory.dmp

Filesize
148KB

Download
memory/600-91-0x00000000125D0000-0x00000000125F5000-memory.dmp

Filesize
148KB

Download
memory/600-96-0x0000000012600000-0x0000000012625000-memory.dmp

Filesize
148KB

Download
memory/600-101-0x0000000012630000-0x0000000012655000-memory.dmp

Filesize
148KB

Download
memory/600-106-0x0000000012660000-0x0000000012685000-memory.dmp

Filesize
148KB

Download
memory/600-61-0x00000000124B0000-0x00000000124D5000-memory.dmp

Filesize
148KB

Download
memory/600-116-0x00000000126C0000-0x00000000126E5000-memory.dmp

Filesize
148KB

Download
memory/600-111-0x0000000012690000-0x00000000126B5000-memory.dmp

Filesize
148KB

Download
memory/600-121-0x00000000126F0000-0x0000000012715000-memory.dmp

Filesize
148KB

Download
memory/600-126-0x0000000012720000-0x0000000012745000-memory.dmp

Filesize
148KB

Download
memory/600-131-0x0000000012750000-0x0000000012775000-memory.dmp

Filesize
148KB

Download
memory/600-136-0x0000000012780000-0x00000000127A5000-memory.dmp

Filesize
148KB

Download
memory/600-146-0x00000000127E0000-0x0000000012805000-memory.dmp

Filesize
148KB

Download
memory/600-151-0x0000000012810000-0x0000000012835000-memory.dmp

Filesize
148KB

Download
memory/600-156-0x0000000012840000-0x0000000012865000-memory.dmp

Filesize
148KB

Download
memory/600-161-0x0000000012870000-0x0000000012895000-memory.dmp

Filesize
148KB

Download
memory/600-166-0x00000000128A0000-0x00000000128C5000-memory.dmp

Filesize
148KB

Download
memory/600-171-0x00000000128D0000-0x00000000128F5000-memory.dmp

Filesize
148KB

Download
memory/600-141-0x00000000127B0000-0x00000000127D5000-memory.dmp

Filesize
148KB

Download
memory/600-181-0x0000000012930000-0x0000000012955000-memory.dmp

Filesize
148KB

Download
memory/600-186-0x0000000012960000-0x0000000012985000-memory.dmp

Filesize
148KB

Download
memory/600-191-0x0000000012990000-0x00000000129B5000-memory.dmp

Filesize
148KB

Download
memory/600-201-0x00000000129F0000-0x0000000012A15000-memory.dmp

Filesize
148KB

Download
memory/600-206-0x0000000012A20000-0x0000000012A45000-memory.dmp

Filesize
148KB

Download
memory/600-211-0x0000000012A50000-0x0000000012A75000-memory.dmp

Filesize
148KB

Download
memory/600-196-0x00000000129C0000-0x00000000129E5000-memory.dmp

Filesize
148KB

Download
memory/600-221-0x0000000012AB0000-0x0000000012AD5000-memory.dmp

Filesize
148KB

Download
memory/600-226-0x0000000012AE0000-0x0000000012B05000-memory.dmp

Filesize
148KB

Download
memory/600-236-0x0000000012B40000-0x0000000012B65000-memory.dmp

Filesize
148KB

Download
memory/600-241-0x0000000012B70000-0x0000000012B95000-memory.dmp

Filesize
148KB

Download
memory/600-251-0x0000000012BD0000-0x0000000012BF5000-memory.dmp

Filesize
148KB

Download
memory/600-256-0x0000000012C00000-0x0000000012C25000-memory.dmp

Filesize
148KB

Download
memory/600-261-0x0000000012C30000-0x0000000012C55000-memory.dmp

Filesize
148KB

Download
memory/600-266-0x0000000012C60000-0x0000000012C85000-memory.dmp

Filesize
148KB

Download
memory/600-276-0x0000000012CC0000-0x0000000012CE5000-memory.dmp

Filesize
148KB

Download
memory/600-281-0x0000000012CF0000-0x0000000012D15000-memory.dmp

Filesize
148KB

Download
memory/600-286-0x0000000012D20000-0x0000000012D45000-memory.dmp

Filesize
148KB

Download
memory/600-291-0x0000000012D50000-0x0000000012D75000-memory.dmp

Filesize
148KB

Download
memory/600-296-0x0000000012D80000-0x0000000012DA5000-memory.dmp

Filesize
148KB

Download
memory/600-306-0x0000000012DE0000-0x0000000012E05000-memory.dmp

Filesize
148KB

Download
memory/600-311-0x0000000012E10000-0x0000000012E35000-memory.dmp

Filesize
148KB

Download
memory/600-301-0x0000000012DB0000-0x0000000012DD5000-memory.dmp

Filesize
148KB

Download
memory/600-316-0x0000000012E40000-0x0000000012E65000-memory.dmp

Filesize
148KB

Download
memory/600-321-0x0000000012E70000-0x0000000012E95000-memory.dmp

Filesize
148KB

Download
memory/600-271-0x0000000012C90000-0x0000000012CB5000-memory.dmp

Filesize
148KB

Download
memory/600-246-0x0000000012BA0000-0x0000000012BC5000-memory.dmp

Filesize
148KB

Download
memory/600-231-0x0000000012B10000-0x0000000012B35000-memory.dmp

Filesize
148KB

Download
memory/600-216-0x0000000012A80000-0x0000000012AA5000-memory.dmp

Filesize
148KB

Download
memory/600-176-0x0000000012900000-0x0000000012925000-memory.dmp

Filesize
148KB

Download
memory/636-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/636-1-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/636-2-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download