a745ecb66893845f6694bd11aab117e36ce4ce7dab1496a00c64e4eb940255ef

Analysis

max time kernel
150s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 09:53

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

8c0731241b3453909b8b7125cb779304.exe
Size

59KB
MD5

8c0731241b3453909b8b7125cb779304
SHA1

e9e0283ce4de51efb88e23e785eac57daee9cea4
SHA256

a745ecb66893845f6694bd11aab117e36ce4ce7dab1496a00c64e4eb940255ef
SHA512

020b56fdceebf1c2ee1f2ea7d346234f096ca562f08e03108f9390bcf79504658fd4107dfaed589cfc76e91caca6a822faafb46c2195d05706ac8332aff5cb73
SSDEEP

1536:1DWQ3FRgPOMiAmijoMWIcv2V0928qSJkwW2xjgPMah:1jFyPOMmDMM2WM8xW2xYh

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,"	8c0731241b3453909b8b7125cb779304.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\twex.exe	8c0731241b3453909b8b7125cb779304.exe
File created	C:\Windows\SysWOW64\twex.exe	8c0731241b3453909b8b7125cb779304.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4252	8c0731241b3453909b8b7125cb779304.exe
4252	8c0731241b3453909b8b7125cb779304.exe
4252	8c0731241b3453909b8b7125cb779304.exe
4252	8c0731241b3453909b8b7125cb779304.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4252	8c0731241b3453909b8b7125cb779304.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5
PID 4252 wrote to memory of 616	4252	8c0731241b3453909b8b7125cb779304.exe	5

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

C:\Users\Admin\AppData\Local\Temp\8c0731241b3453909b8b7125cb779304.exe
"C:\Users\Admin\AppData\Local\Temp\8c0731241b3453909b8b7125cb779304.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252

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/616-20-0x000000001DA60000-0x000000001DA76000-memory.dmp

Filesize
88KB

Download
memory/616-15-0x000000001DA40000-0x000000001DA56000-memory.dmp

Filesize
88KB

Download
memory/616-25-0x000000001DA80000-0x000000001DA96000-memory.dmp

Filesize
88KB

Download
memory/616-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/616-30-0x000000001DAA0000-0x000000001DAB6000-memory.dmp

Filesize
88KB

Download
memory/616-35-0x000000001DAC0000-0x000000001DAD6000-memory.dmp

Filesize
88KB

Download
memory/616-40-0x000000001DAE0000-0x000000001DAF6000-memory.dmp

Filesize
88KB

Download
memory/616-45-0x000000001DB00000-0x000000001DB16000-memory.dmp

Filesize
88KB

Download
memory/616-50-0x000000001DB20000-0x000000001DB36000-memory.dmp

Filesize
88KB

Download
memory/616-55-0x000000001DB40000-0x000000001DB56000-memory.dmp

Filesize
88KB

Download
memory/616-65-0x000000001DB80000-0x000000001DB96000-memory.dmp

Filesize
88KB

Download
memory/616-70-0x000000001DBA0000-0x000000001DBB6000-memory.dmp

Filesize
88KB

Download
memory/616-75-0x000000001DBC0000-0x000000001DBD6000-memory.dmp

Filesize
88KB

Download
memory/616-80-0x000000001DBE0000-0x000000001DBF6000-memory.dmp

Filesize
88KB

Download
memory/616-60-0x000000001DB60000-0x000000001DB76000-memory.dmp

Filesize
88KB

Download
memory/616-85-0x000000001DC00000-0x000000001DC16000-memory.dmp

Filesize
88KB

Download
memory/616-95-0x000000001DC40000-0x000000001DC56000-memory.dmp

Filesize
88KB

Download
memory/616-100-0x000000001DC60000-0x000000001DC76000-memory.dmp

Filesize
88KB

Download
memory/616-90-0x000000001DC20000-0x000000001DC36000-memory.dmp

Filesize
88KB

Download
memory/616-105-0x000000001DC80000-0x000000001DC96000-memory.dmp

Filesize
88KB

Download
memory/616-115-0x000000001DCC0000-0x000000001DCD6000-memory.dmp

Filesize
88KB

Download
memory/616-110-0x000000001DCA0000-0x000000001DCB6000-memory.dmp

Filesize
88KB

Download
memory/616-125-0x000000001DD00000-0x000000001DD16000-memory.dmp

Filesize
88KB

Download
memory/616-120-0x000000001DCE0000-0x000000001DCF6000-memory.dmp

Filesize
88KB

Download
memory/616-130-0x000000001DD20000-0x000000001DD36000-memory.dmp

Filesize
88KB

Download
memory/616-135-0x000000001DD40000-0x000000001DD56000-memory.dmp

Filesize
88KB

Download
memory/616-140-0x000000001DD60000-0x000000001DD76000-memory.dmp

Filesize
88KB

Download
memory/616-145-0x000000001DD80000-0x000000001DD96000-memory.dmp

Filesize
88KB

Download
memory/616-150-0x000000001DDA0000-0x000000001DDB6000-memory.dmp

Filesize
88KB

Download
memory/616-155-0x000000001DDC0000-0x000000001DDD6000-memory.dmp

Filesize
88KB

Download
memory/616-160-0x000000001DDE0000-0x000000001DDF6000-memory.dmp

Filesize
88KB

Download
memory/616-165-0x000000001DE00000-0x000000001DE16000-memory.dmp

Filesize
88KB

Download
memory/616-170-0x000000001DE20000-0x000000001DE36000-memory.dmp

Filesize
88KB

Download
memory/616-175-0x000000001DE40000-0x000000001DE56000-memory.dmp

Filesize
88KB

Download
memory/616-180-0x000000001DE60000-0x000000001DE76000-memory.dmp

Filesize
88KB

Download
memory/616-185-0x000000001DE80000-0x000000001DE96000-memory.dmp

Filesize
88KB

Download
memory/616-195-0x000000001DEC0000-0x000000001DED6000-memory.dmp

Filesize
88KB

Download
memory/616-190-0x000000001DEA0000-0x000000001DEB6000-memory.dmp

Filesize
88KB

Download
memory/616-200-0x000000001DEE0000-0x000000001DEF6000-memory.dmp

Filesize
88KB

Download
memory/616-205-0x000000001DF00000-0x000000001DF16000-memory.dmp

Filesize
88KB

Download
memory/616-210-0x000000001DF20000-0x000000001DF36000-memory.dmp

Filesize
88KB

Download
memory/616-215-0x000000001DF40000-0x000000001DF56000-memory.dmp

Filesize
88KB

Download
memory/616-220-0x000000001DF60000-0x000000001DF76000-memory.dmp

Filesize
88KB

Download
memory/616-225-0x000000001DF80000-0x000000001DF96000-memory.dmp

Filesize
88KB

Download
memory/616-230-0x000000001DFA0000-0x000000001DFB6000-memory.dmp

Filesize
88KB

Download
memory/616-235-0x000000001DFC0000-0x000000001DFD6000-memory.dmp

Filesize
88KB

Download
memory/616-240-0x000000001DFE0000-0x000000001DFF6000-memory.dmp

Filesize
88KB

Download
memory/616-245-0x000000001E000000-0x000000001E016000-memory.dmp

Filesize
88KB

Download
memory/616-250-0x000000001E020000-0x000000001E036000-memory.dmp

Filesize
88KB

Download
memory/616-255-0x000000001E040000-0x000000001E056000-memory.dmp

Filesize
88KB

Download
memory/616-260-0x000000001E060000-0x000000001E076000-memory.dmp

Filesize
88KB

Download
memory/616-265-0x000000001E080000-0x000000001E096000-memory.dmp

Filesize
88KB

Download
memory/616-270-0x000000001E0A0000-0x000000001E0B6000-memory.dmp

Filesize
88KB

Download
memory/616-275-0x000000001E0C0000-0x000000001E0D6000-memory.dmp

Filesize
88KB

Download
memory/616-280-0x000000001E0E0000-0x000000001E0F6000-memory.dmp

Filesize
88KB

Download
memory/616-285-0x000000001E100000-0x000000001E116000-memory.dmp

Filesize
88KB

Download
memory/616-295-0x000000001E140000-0x000000001E156000-memory.dmp

Filesize
88KB

Download
memory/616-290-0x000000001E120000-0x000000001E136000-memory.dmp

Filesize
88KB

Download
memory/616-300-0x000000001E160000-0x000000001E176000-memory.dmp

Filesize
88KB

Download
memory/616-305-0x000000001E180000-0x000000001E196000-memory.dmp

Filesize
88KB

Download
memory/616-310-0x000000001E1A0000-0x000000001E1B6000-memory.dmp

Filesize
88KB

Download
memory/616-315-0x000000001E1C0000-0x000000001E1D6000-memory.dmp

Filesize
88KB

Download
memory/616-320-0x000000001E1E0000-0x000000001E1F6000-memory.dmp

Filesize
88KB

Download
memory/616-325-0x000000001E200000-0x000000001E216000-memory.dmp

Filesize
88KB

Download
memory/4252-1-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4252-0-0x00000000005C0000-0x00000000005CF000-memory.dmp

Filesize
60KB

Download
memory/4252-3698-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download