500f1db6c1e58d03db0045fa91898d99ce791e7c186099913631490d21068b6c

Analysis

max time kernel
161s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 00:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

666ea2df44aee00fa0c7dc7d830eda46.exe
Size

67KB
MD5

666ea2df44aee00fa0c7dc7d830eda46
SHA1

d964c51a5695b8aad2ed8459c96cb97912c72a69
SHA256

500f1db6c1e58d03db0045fa91898d99ce791e7c186099913631490d21068b6c
SHA512

80b878148762105f33f6e17c330078929b07efe19769e091971e8b03b91e379af19ab57c0c75f0ffe5ca6f17809f984c76db6852463219cf16e35d9d60040eb0
SSDEEP

1536:ZxrENa0FEm658IAJI2OByGxBOFTYZJ5JB2mBa:LENRFEd8niByGxBJDhBa

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\\twex.exe,"	666ea2df44aee00fa0c7dc7d830eda46.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\twex.exe	666ea2df44aee00fa0c7dc7d830eda46.exe
File opened for modification	C:\Windows\SysWOW64\twex.exe	666ea2df44aee00fa0c7dc7d830eda46.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1932	666ea2df44aee00fa0c7dc7d830eda46.exe
1932	666ea2df44aee00fa0c7dc7d830eda46.exe
1932	666ea2df44aee00fa0c7dc7d830eda46.exe
1932	666ea2df44aee00fa0c7dc7d830eda46.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	666ea2df44aee00fa0c7dc7d830eda46.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79
PID 1932 wrote to memory of 616	1932	666ea2df44aee00fa0c7dc7d830eda46.exe	79

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

C:\Users\Admin\AppData\Local\Temp\666ea2df44aee00fa0c7dc7d830eda46.exe
"C:\Users\Admin\AppData\Local\Temp\666ea2df44aee00fa0c7dc7d830eda46.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932

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

Loading Replay Monitor...

Downloads

memory/616-10-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/616-15-0x000000003AA30000-0x000000003AA47000-memory.dmp

Filesize
92KB

Download
memory/616-20-0x000000003AA50000-0x000000003AA67000-memory.dmp

Filesize
92KB

Download
memory/616-25-0x000000003AA70000-0x000000003AA87000-memory.dmp

Filesize
92KB

Download
memory/616-30-0x000000003AA90000-0x000000003AAA7000-memory.dmp

Filesize
92KB

Download
memory/616-35-0x000000003AAB0000-0x000000003AAC7000-memory.dmp

Filesize
92KB

Download
memory/616-40-0x000000003AAD0000-0x000000003AAE7000-memory.dmp

Filesize
92KB

Download
memory/616-45-0x000000003AAF0000-0x000000003AB07000-memory.dmp

Filesize
92KB

Download
memory/616-50-0x000000003AB10000-0x000000003AB27000-memory.dmp

Filesize
92KB

Download
memory/616-55-0x000000003AB30000-0x000000003AB47000-memory.dmp

Filesize
92KB

Download
memory/616-60-0x000000003AB50000-0x000000003AB67000-memory.dmp

Filesize
92KB

Download
memory/616-65-0x000000003AB70000-0x000000003AB87000-memory.dmp

Filesize
92KB

Download
memory/616-70-0x000000003AB90000-0x000000003ABA7000-memory.dmp

Filesize
92KB

Download
memory/616-75-0x000000003ABB0000-0x000000003ABC7000-memory.dmp

Filesize
92KB

Download
memory/616-80-0x000000003ABD0000-0x000000003ABE7000-memory.dmp

Filesize
92KB

Download
memory/616-85-0x000000003ABF0000-0x000000003AC07000-memory.dmp

Filesize
92KB

Download
memory/616-90-0x000000003AC10000-0x000000003AC27000-memory.dmp

Filesize
92KB

Download
memory/616-95-0x000000003AC30000-0x000000003AC47000-memory.dmp

Filesize
92KB

Download
memory/616-100-0x000000003AC50000-0x000000003AC67000-memory.dmp

Filesize
92KB

Download
memory/616-105-0x000000003AC70000-0x000000003AC87000-memory.dmp

Filesize
92KB

Download
memory/616-110-0x000000003AC90000-0x000000003ACA7000-memory.dmp

Filesize
92KB

Download
memory/616-115-0x000000003ACB0000-0x000000003ACC7000-memory.dmp

Filesize
92KB

Download
memory/616-120-0x000000003ACD0000-0x000000003ACE7000-memory.dmp

Filesize
92KB

Download
memory/616-125-0x000000003ACF0000-0x000000003AD07000-memory.dmp

Filesize
92KB

Download
memory/616-130-0x000000003AD10000-0x000000003AD27000-memory.dmp

Filesize
92KB

Download
memory/616-135-0x000000003AD30000-0x000000003AD47000-memory.dmp

Filesize
92KB

Download
memory/616-140-0x000000003AD50000-0x000000003AD67000-memory.dmp

Filesize
92KB

Download
memory/616-145-0x000000003AD70000-0x000000003AD87000-memory.dmp

Filesize
92KB

Download
memory/616-150-0x000000003AD90000-0x000000003ADA7000-memory.dmp

Filesize
92KB

Download
memory/616-155-0x000000003ADB0000-0x000000003ADC7000-memory.dmp

Filesize
92KB

Download
memory/616-160-0x000000003ADD0000-0x000000003ADE7000-memory.dmp

Filesize
92KB

Download
memory/616-165-0x000000003ADF0000-0x000000003AE07000-memory.dmp

Filesize
92KB

Download
memory/616-170-0x000000003AE10000-0x000000003AE27000-memory.dmp

Filesize
92KB

Download
memory/616-175-0x000000003AE30000-0x000000003AE47000-memory.dmp

Filesize
92KB

Download
memory/616-180-0x000000003AE50000-0x000000003AE67000-memory.dmp

Filesize
92KB

Download
memory/616-185-0x000000003AE70000-0x000000003AE87000-memory.dmp

Filesize
92KB

Download
memory/616-190-0x000000003AE90000-0x000000003AEA7000-memory.dmp

Filesize
92KB

Download
memory/616-195-0x000000003AEB0000-0x000000003AEC7000-memory.dmp

Filesize
92KB

Download
memory/616-200-0x000000003AED0000-0x000000003AEE7000-memory.dmp

Filesize
92KB

Download
memory/616-205-0x000000003AEF0000-0x000000003AF07000-memory.dmp

Filesize
92KB

Download
memory/616-210-0x000000003AF10000-0x000000003AF27000-memory.dmp

Filesize
92KB

Download
memory/616-215-0x000000003AF30000-0x000000003AF47000-memory.dmp

Filesize
92KB

Download
memory/616-220-0x000000003AF50000-0x000000003AF67000-memory.dmp

Filesize
92KB

Download
memory/616-225-0x000000003AF70000-0x000000003AF87000-memory.dmp

Filesize
92KB

Download
memory/616-230-0x000000003AF90000-0x000000003AFA7000-memory.dmp

Filesize
92KB

Download
memory/616-235-0x000000003AFB0000-0x000000003AFC7000-memory.dmp

Filesize
92KB

Download
memory/616-240-0x000000003AFD0000-0x000000003AFE7000-memory.dmp

Filesize
92KB

Download
memory/616-245-0x000000003AFF0000-0x000000003B007000-memory.dmp

Filesize
92KB

Download
memory/616-250-0x000000003B010000-0x000000003B027000-memory.dmp

Filesize
92KB

Download
memory/616-255-0x000000003B030000-0x000000003B047000-memory.dmp

Filesize
92KB

Download
memory/616-260-0x000000003B050000-0x000000003B067000-memory.dmp

Filesize
92KB

Download
memory/616-265-0x000000003B070000-0x000000003B087000-memory.dmp

Filesize
92KB

Download
memory/616-270-0x000000003B090000-0x000000003B0A7000-memory.dmp

Filesize
92KB

Download
memory/616-275-0x000000003B0B0000-0x000000003B0C7000-memory.dmp

Filesize
92KB

Download
memory/616-280-0x000000003B0D0000-0x000000003B0E7000-memory.dmp

Filesize
92KB

Download
memory/616-285-0x000000003B0F0000-0x000000003B107000-memory.dmp

Filesize
92KB

Download
memory/616-290-0x000000003B110000-0x000000003B127000-memory.dmp

Filesize
92KB

Download
memory/616-295-0x000000003B130000-0x000000003B147000-memory.dmp

Filesize
92KB

Download
memory/616-300-0x000000003B150000-0x000000003B167000-memory.dmp

Filesize
92KB

Download
memory/616-305-0x000000003B170000-0x000000003B187000-memory.dmp

Filesize
92KB

Download
memory/616-310-0x000000003B190000-0x000000003B1A7000-memory.dmp

Filesize
92KB

Download
memory/616-315-0x000000003B1B0000-0x000000003B1C7000-memory.dmp

Filesize
92KB

Download
memory/616-320-0x000000003B1D0000-0x000000003B1E7000-memory.dmp

Filesize
92KB

Download
memory/616-325-0x000000003B1F0000-0x000000003B207000-memory.dmp

Filesize
92KB

Download
memory/1932-0-0x0000000002170000-0x0000000002181000-memory.dmp

Filesize
68KB

Download
memory/1932-1-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download