39e518bdbeda45efb8481b4f4a4bfcebed51587813f8fd3a4c8472237c374ef0

Analysis

max time kernel
167s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:35

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General

Target

0a4138a18cbc6580814f0acc36a8f596.exe
Size

43KB
MD5

0a4138a18cbc6580814f0acc36a8f596
SHA1

07d7d374afab5adc13fff1b06b59edb13f3922d0
SHA256

39e518bdbeda45efb8481b4f4a4bfcebed51587813f8fd3a4c8472237c374ef0
SHA512

06cbcdd71a9c0c930895e7a8b95e58330c3469fd6cc081e3309670d02e743d0950c29326f2680bbc72dbd0282b42e59f79410ac9e211d79231d9bc436d5e371a
SSDEEP

768:RFhBAwauHlbmPywcOzrqH47UnsZOhEqbVcW66dQiVgoctjkzoDd7Vglh53J:P3tauHlbmPKwrqSUs0THVVgogjFyP5Z

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,"	0a4138a18cbc6580814f0acc36a8f596.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	0a4138a18cbc6580814f0acc36a8f596.exe
File created	C:\Windows\SysWOW64\ntos.exe	0a4138a18cbc6580814f0acc36a8f596.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2600	0a4138a18cbc6580814f0acc36a8f596.exe
2600	0a4138a18cbc6580814f0acc36a8f596.exe
2600	0a4138a18cbc6580814f0acc36a8f596.exe
2600	0a4138a18cbc6580814f0acc36a8f596.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	0a4138a18cbc6580814f0acc36a8f596.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82
PID 2600 wrote to memory of 616	2600	0a4138a18cbc6580814f0acc36a8f596.exe	82

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

C:\Users\Admin\AppData\Local\Temp\0a4138a18cbc6580814f0acc36a8f596.exe
"C:\Users\Admin\AppData\Local\Temp\0a4138a18cbc6580814f0acc36a8f596.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2600

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/616-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/616-13-0x0000000022A90000-0x0000000022AB2000-memory.dmp

Filesize
136KB

Download
memory/616-17-0x0000000022AC0000-0x0000000022AE2000-memory.dmp

Filesize
136KB

Download
memory/616-21-0x0000000022AF0000-0x0000000022B12000-memory.dmp

Filesize
136KB

Download
memory/616-29-0x0000000022B50000-0x0000000022B72000-memory.dmp

Filesize
136KB

Download
memory/616-33-0x0000000022B80000-0x0000000022BA2000-memory.dmp

Filesize
136KB

Download
memory/616-25-0x0000000022B20000-0x0000000022B42000-memory.dmp

Filesize
136KB

Download
memory/616-37-0x0000000022BB0000-0x0000000022BD2000-memory.dmp

Filesize
136KB

Download
memory/616-41-0x0000000022BE0000-0x0000000022C02000-memory.dmp

Filesize
136KB

Download
memory/616-45-0x0000000022C10000-0x0000000022C32000-memory.dmp

Filesize
136KB

Download
memory/616-49-0x0000000022C40000-0x0000000022C62000-memory.dmp

Filesize
136KB

Download
memory/616-53-0x0000000022C70000-0x0000000022C92000-memory.dmp

Filesize
136KB

Download
memory/616-57-0x0000000022CA0000-0x0000000022CC2000-memory.dmp

Filesize
136KB

Download
memory/616-61-0x0000000022CD0000-0x0000000022CF2000-memory.dmp

Filesize
136KB

Download
memory/616-65-0x0000000022D00000-0x0000000022D22000-memory.dmp

Filesize
136KB

Download
memory/616-69-0x0000000022D30000-0x0000000022D52000-memory.dmp

Filesize
136KB

Download
memory/616-77-0x0000000022D90000-0x0000000022DB2000-memory.dmp

Filesize
136KB

Download
memory/616-73-0x0000000022D60000-0x0000000022D82000-memory.dmp

Filesize
136KB

Download
memory/616-81-0x0000000022DC0000-0x0000000022DE2000-memory.dmp

Filesize
136KB

Download
memory/616-89-0x0000000022E20000-0x0000000022E42000-memory.dmp

Filesize
136KB

Download
memory/616-85-0x0000000022DF0000-0x0000000022E12000-memory.dmp

Filesize
136KB

Download
memory/616-93-0x0000000022E50000-0x0000000022E72000-memory.dmp

Filesize
136KB

Download
memory/616-97-0x0000000022E80000-0x0000000022EA2000-memory.dmp

Filesize
136KB

Download
memory/616-101-0x0000000022EB0000-0x0000000022ED2000-memory.dmp

Filesize
136KB

Download
memory/616-109-0x0000000022F10000-0x0000000022F32000-memory.dmp

Filesize
136KB

Download
memory/616-105-0x0000000022EE0000-0x0000000022F02000-memory.dmp

Filesize
136KB

Download
memory/616-117-0x0000000022F70000-0x0000000022F92000-memory.dmp

Filesize
136KB

Download
memory/616-113-0x0000000022F40000-0x0000000022F62000-memory.dmp

Filesize
136KB

Download
memory/616-121-0x0000000022FA0000-0x0000000022FC2000-memory.dmp

Filesize
136KB

Download
memory/616-125-0x0000000022FD0000-0x0000000022FF2000-memory.dmp

Filesize
136KB

Download
memory/616-129-0x0000000023000000-0x0000000023022000-memory.dmp

Filesize
136KB

Download
memory/616-133-0x0000000023030000-0x0000000023052000-memory.dmp

Filesize
136KB

Download
memory/616-137-0x0000000023060000-0x0000000023082000-memory.dmp

Filesize
136KB

Download
memory/616-141-0x0000000023090000-0x00000000230B2000-memory.dmp

Filesize
136KB

Download
memory/616-145-0x00000000230C0000-0x00000000230E2000-memory.dmp

Filesize
136KB

Download
memory/616-153-0x0000000023120000-0x0000000023142000-memory.dmp

Filesize
136KB

Download
memory/616-157-0x0000000023150000-0x0000000023172000-memory.dmp

Filesize
136KB

Download
memory/616-149-0x00000000230F0000-0x0000000023112000-memory.dmp

Filesize
136KB

Download
memory/616-161-0x0000000023180000-0x00000000231A2000-memory.dmp

Filesize
136KB

Download
memory/616-169-0x00000000231E0000-0x0000000023202000-memory.dmp

Filesize
136KB

Download
memory/616-173-0x0000000023210000-0x0000000023232000-memory.dmp

Filesize
136KB

Download
memory/616-165-0x00000000231B0000-0x00000000231D2000-memory.dmp

Filesize
136KB

Download
memory/616-177-0x0000000023240000-0x0000000023262000-memory.dmp

Filesize
136KB

Download
memory/616-181-0x0000000023270000-0x0000000023292000-memory.dmp

Filesize
136KB

Download
memory/616-185-0x00000000232A0000-0x00000000232C2000-memory.dmp

Filesize
136KB

Download
memory/616-189-0x00000000232D0000-0x00000000232F2000-memory.dmp

Filesize
136KB

Download
memory/616-193-0x0000000023300000-0x0000000023322000-memory.dmp

Filesize
136KB

Download
memory/616-197-0x0000000023330000-0x0000000023352000-memory.dmp

Filesize
136KB

Download
memory/616-201-0x0000000023360000-0x0000000023382000-memory.dmp

Filesize
136KB

Download
memory/616-205-0x0000000023390000-0x00000000233B2000-memory.dmp

Filesize
136KB

Download
memory/616-209-0x00000000233C0000-0x00000000233E2000-memory.dmp

Filesize
136KB

Download
memory/616-213-0x00000000233F0000-0x0000000023412000-memory.dmp

Filesize
136KB

Download
memory/616-217-0x0000000023420000-0x0000000023442000-memory.dmp

Filesize
136KB

Download
memory/616-225-0x0000000023480000-0x00000000234A2000-memory.dmp

Filesize
136KB

Download
memory/616-221-0x0000000023450000-0x0000000023472000-memory.dmp

Filesize
136KB

Download
memory/616-229-0x00000000234B0000-0x00000000234D2000-memory.dmp

Filesize
136KB

Download
memory/616-233-0x00000000234E0000-0x0000000023502000-memory.dmp

Filesize
136KB

Download
memory/616-241-0x0000000023540000-0x0000000023562000-memory.dmp

Filesize
136KB

Download
memory/616-237-0x0000000023510000-0x0000000023532000-memory.dmp

Filesize
136KB

Download
memory/616-249-0x00000000235A0000-0x00000000235C2000-memory.dmp

Filesize
136KB

Download
memory/616-245-0x0000000023570000-0x0000000023592000-memory.dmp

Filesize
136KB

Download
memory/616-253-0x00000000235D0000-0x00000000235F2000-memory.dmp

Filesize
136KB

Download
memory/616-257-0x0000000023600000-0x0000000023622000-memory.dmp

Filesize
136KB

Download
memory/616-261-0x0000000023630000-0x0000000023652000-memory.dmp

Filesize
136KB

Download
memory/2600-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2600-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download