6397a6402b0bcf6acb21aaef36615cc941bfed7191bcec02694c6795fdcd17e9

Analysis

max time kernel
92s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 18:56

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General

Target

4e56b5b89502be8eec70954de3339026.exe
Size

47KB
MD5

4e56b5b89502be8eec70954de3339026
SHA1

96b00bb62122ce76207c5dae09ed6be22d3644f1
SHA256

6397a6402b0bcf6acb21aaef36615cc941bfed7191bcec02694c6795fdcd17e9
SHA512

2e6ffe5dc689c56959e759e2c3bb69073c6aeb2c835c7ddb0d95e0f1ba784becba7de3c3fc4ebae8d3b31ca5f093bafd570d8a84b20694c9e86abe44d8692099
SSDEEP

768:LvFtE9gAoDvm/sIwqJqC6JnU4vYyzUqoRpZhXxI2Pqv0LQfGzZ1hRYzkEEtOgZO0:LvFtlAWvylKBVg0oz9I2iq+GV1HYzkEC

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,"	4e56b5b89502be8eec70954de3339026.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	4e56b5b89502be8eec70954de3339026.exe
File created	C:\Windows\SysWOW64\ntos.exe	4e56b5b89502be8eec70954de3339026.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1896	4e56b5b89502be8eec70954de3339026.exe
1896	4e56b5b89502be8eec70954de3339026.exe
1896	4e56b5b89502be8eec70954de3339026.exe
1896	4e56b5b89502be8eec70954de3339026.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1896	4e56b5b89502be8eec70954de3339026.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5
PID 1896 wrote to memory of 596	1896	4e56b5b89502be8eec70954de3339026.exe	5

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:596

C:\Users\Admin\AppData\Local\Temp\4e56b5b89502be8eec70954de3339026.exe
"C:\Users\Admin\AppData\Local\Temp\4e56b5b89502be8eec70954de3339026.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1896

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/596-12-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/596-16-0x0000000022F60000-0x0000000022F82000-memory.dmp

Filesize
136KB

Download
memory/596-20-0x0000000022F90000-0x0000000022FB2000-memory.dmp

Filesize
136KB

Download
memory/596-28-0x0000000022FF0000-0x0000000023012000-memory.dmp

Filesize
136KB

Download
memory/596-32-0x0000000023020000-0x0000000023042000-memory.dmp

Filesize
136KB

Download
memory/596-40-0x0000000023080000-0x00000000230A2000-memory.dmp

Filesize
136KB

Download
memory/596-44-0x00000000230B0000-0x00000000230D2000-memory.dmp

Filesize
136KB

Download
memory/596-48-0x00000000230E0000-0x0000000023102000-memory.dmp

Filesize
136KB

Download
memory/596-52-0x0000000023110000-0x0000000023132000-memory.dmp

Filesize
136KB

Download
memory/596-60-0x0000000023170000-0x0000000023192000-memory.dmp

Filesize
136KB

Download
memory/596-64-0x00000000231A0000-0x00000000231C2000-memory.dmp

Filesize
136KB

Download
memory/596-72-0x0000000023200000-0x0000000023222000-memory.dmp

Filesize
136KB

Download
memory/596-76-0x0000000023230000-0x0000000023252000-memory.dmp

Filesize
136KB

Download
memory/596-80-0x0000000023260000-0x0000000023282000-memory.dmp

Filesize
136KB

Download
memory/596-84-0x0000000023290000-0x00000000232B2000-memory.dmp

Filesize
136KB

Download
memory/596-92-0x00000000232F0000-0x0000000023312000-memory.dmp

Filesize
136KB

Download
memory/596-96-0x0000000023320000-0x0000000023342000-memory.dmp

Filesize
136KB

Download
memory/596-100-0x0000000023350000-0x0000000023372000-memory.dmp

Filesize
136KB

Download
memory/596-104-0x0000000023380000-0x00000000233A2000-memory.dmp

Filesize
136KB

Download
memory/596-108-0x00000000233B0000-0x00000000233D2000-memory.dmp

Filesize
136KB

Download
memory/596-116-0x0000000023410000-0x0000000023432000-memory.dmp

Filesize
136KB

Download
memory/596-120-0x0000000023440000-0x0000000023462000-memory.dmp

Filesize
136KB

Download
memory/596-128-0x00000000234A0000-0x00000000234C2000-memory.dmp

Filesize
136KB

Download
memory/596-132-0x00000000234D0000-0x00000000234F2000-memory.dmp

Filesize
136KB

Download
memory/596-136-0x0000000023500000-0x0000000023522000-memory.dmp

Filesize
136KB

Download
memory/596-144-0x0000000023560000-0x0000000023582000-memory.dmp

Filesize
136KB

Download
memory/596-148-0x0000000023590000-0x00000000235B2000-memory.dmp

Filesize
136KB

Download
memory/596-156-0x00000000235F0000-0x0000000023612000-memory.dmp

Filesize
136KB

Download
memory/596-160-0x0000000023620000-0x0000000023642000-memory.dmp

Filesize
136KB

Download
memory/596-164-0x0000000023650000-0x0000000023672000-memory.dmp

Filesize
136KB

Download
memory/596-172-0x00000000236B0000-0x00000000236D2000-memory.dmp

Filesize
136KB

Download
memory/596-176-0x00000000236E0000-0x0000000023702000-memory.dmp

Filesize
136KB

Download
memory/596-184-0x0000000023740000-0x0000000023762000-memory.dmp

Filesize
136KB

Download
memory/596-188-0x0000000023770000-0x0000000023792000-memory.dmp

Filesize
136KB

Download
memory/596-192-0x00000000237A0000-0x00000000237C2000-memory.dmp

Filesize
136KB

Download
memory/596-200-0x0000000023800000-0x0000000023822000-memory.dmp

Filesize
136KB

Download
memory/596-204-0x0000000023830000-0x0000000023852000-memory.dmp

Filesize
136KB

Download
memory/596-212-0x0000000023890000-0x00000000238B2000-memory.dmp

Filesize
136KB

Download
memory/596-216-0x00000000238C0000-0x00000000238E2000-memory.dmp

Filesize
136KB

Download
memory/596-220-0x00000000238F0000-0x0000000023912000-memory.dmp

Filesize
136KB

Download
memory/596-228-0x0000000023950000-0x0000000023972000-memory.dmp

Filesize
136KB

Download
memory/596-232-0x0000000023980000-0x00000000239A2000-memory.dmp

Filesize
136KB

Download
memory/596-240-0x00000000239E0000-0x0000000023A02000-memory.dmp

Filesize
136KB

Download
memory/596-244-0x0000000023A10000-0x0000000023A32000-memory.dmp

Filesize
136KB

Download
memory/596-252-0x0000000023A70000-0x0000000023A92000-memory.dmp

Filesize
136KB

Download
memory/596-256-0x0000000023AA0000-0x0000000023AC2000-memory.dmp

Filesize
136KB

Download
memory/596-248-0x0000000023A40000-0x0000000023A62000-memory.dmp

Filesize
136KB

Download
memory/596-236-0x00000000239B0000-0x00000000239D2000-memory.dmp

Filesize
136KB

Download
memory/596-224-0x0000000023920000-0x0000000023942000-memory.dmp

Filesize
136KB

Download
memory/596-208-0x0000000023860000-0x0000000023882000-memory.dmp

Filesize
136KB

Download
memory/596-196-0x00000000237D0000-0x00000000237F2000-memory.dmp

Filesize
136KB

Download
memory/596-180-0x0000000023710000-0x0000000023732000-memory.dmp

Filesize
136KB

Download
memory/596-168-0x0000000023680000-0x00000000236A2000-memory.dmp

Filesize
136KB

Download
memory/596-152-0x00000000235C0000-0x00000000235E2000-memory.dmp

Filesize
136KB

Download
memory/596-140-0x0000000023530000-0x0000000023552000-memory.dmp

Filesize
136KB

Download
memory/596-124-0x0000000023470000-0x0000000023492000-memory.dmp

Filesize
136KB

Download
memory/596-112-0x00000000233E0000-0x0000000023402000-memory.dmp

Filesize
136KB

Download
memory/596-88-0x00000000232C0000-0x00000000232E2000-memory.dmp

Filesize
136KB

Download
memory/596-68-0x00000000231D0000-0x00000000231F2000-memory.dmp

Filesize
136KB

Download
memory/596-56-0x0000000023140000-0x0000000023162000-memory.dmp

Filesize
136KB

Download
memory/596-36-0x0000000023050000-0x0000000023072000-memory.dmp

Filesize
136KB

Download
memory/596-24-0x0000000022FC0000-0x0000000022FE2000-memory.dmp

Filesize
136KB

Download
memory/1896-0-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1896-4-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1896-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1896-1-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1896-2681-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download