22a83e6d0442a59aa497e6438a3bb2c6f8232284cfb7ff0cc8897c90eadb5931

Analysis

max time kernel
163s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 05:14

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General

Target

481f90a1533223b37513642e6d63bb09.exe
Size

76KB
MD5

481f90a1533223b37513642e6d63bb09
SHA1

19cf88c6c792515d02ee0723f5feb7d0e8e9cb55
SHA256

22a83e6d0442a59aa497e6438a3bb2c6f8232284cfb7ff0cc8897c90eadb5931
SHA512

482101830f63152183e3e5a9ed4c257d7963fcd031552ea04b158e694f9640b779cbae806220e2e3a81442efe93fc71721db6b8799ff1dc43c31a2f22312225f
SSDEEP

1536:abQp1sBvlV0euusG80GS4KshictqhX7xMaB5z4YwB28UwnAScJWS:a8pOlV0BvG8tS4NictqxP4X24A7T

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

481f90a1533223b37513642e6d63bb09.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe,"	481f90a1533223b37513642e6d63bb09.exe

Drops file in System32 directory 2 IoCs

Processes:

481f90a1533223b37513642e6d63bb09.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	481f90a1533223b37513642e6d63bb09.exe
File created	C:\Windows\SysWOW64\sdra64.exe	481f90a1533223b37513642e6d63bb09.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

481f90a1533223b37513642e6d63bb09.exe

pid	process
3180	481f90a1533223b37513642e6d63bb09.exe
3180	481f90a1533223b37513642e6d63bb09.exe
3180	481f90a1533223b37513642e6d63bb09.exe
3180	481f90a1533223b37513642e6d63bb09.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

481f90a1533223b37513642e6d63bb09.exe

description pid process

Token: SeDebugPrivilege 3180 481f90a1533223b37513642e6d63bb09.exe

description	pid	process
Token: SeDebugPrivilege	3180	481f90a1533223b37513642e6d63bb09.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

481f90a1533223b37513642e6d63bb09.exe

description	pid	process	target process
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe
PID 3180 wrote to memory of 628	3180	481f90a1533223b37513642e6d63bb09.exe	winlogon.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:628

C:\Users\Admin\AppData\Local\Temp\481f90a1533223b37513642e6d63bb09.exe
"C:\Users\Admin\AppData\Local\Temp\481f90a1533223b37513642e6d63bb09.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3180

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/628-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/628-16-0x0000000023090000-0x00000000230A7000-memory.dmp

Filesize
92KB

Download
memory/628-21-0x00000000230B0000-0x00000000230C7000-memory.dmp

Filesize
92KB

Download
memory/628-26-0x00000000230D0000-0x00000000230E7000-memory.dmp

Filesize
92KB

Download
memory/628-31-0x00000000230F0000-0x0000000023107000-memory.dmp

Filesize
92KB

Download
memory/628-36-0x0000000023110000-0x0000000023127000-memory.dmp

Filesize
92KB

Download
memory/628-41-0x0000000023130000-0x0000000023147000-memory.dmp

Filesize
92KB

Download
memory/628-46-0x0000000023150000-0x0000000023167000-memory.dmp

Filesize
92KB

Download
memory/628-51-0x0000000023170000-0x0000000023187000-memory.dmp

Filesize
92KB

Download
memory/628-56-0x0000000023190000-0x00000000231A7000-memory.dmp

Filesize
92KB

Download
memory/628-61-0x00000000231B0000-0x00000000231C7000-memory.dmp

Filesize
92KB

Download
memory/628-66-0x00000000231D0000-0x00000000231E7000-memory.dmp

Filesize
92KB

Download
memory/628-71-0x00000000231F0000-0x0000000023207000-memory.dmp

Filesize
92KB

Download
memory/628-76-0x0000000023210000-0x0000000023227000-memory.dmp

Filesize
92KB

Download
memory/628-81-0x0000000023230000-0x0000000023247000-memory.dmp

Filesize
92KB

Download
memory/628-86-0x0000000023250000-0x0000000023267000-memory.dmp

Filesize
92KB

Download
memory/628-91-0x0000000023270000-0x0000000023287000-memory.dmp

Filesize
92KB

Download
memory/628-96-0x0000000023290000-0x00000000232A7000-memory.dmp

Filesize
92KB

Download
memory/628-101-0x00000000232B0000-0x00000000232C7000-memory.dmp

Filesize
92KB

Download
memory/628-106-0x00000000232D0000-0x00000000232E7000-memory.dmp

Filesize
92KB

Download
memory/628-111-0x00000000232F0000-0x0000000023307000-memory.dmp

Filesize
92KB

Download
memory/628-116-0x0000000023310000-0x0000000023327000-memory.dmp

Filesize
92KB

Download
memory/628-121-0x0000000023330000-0x0000000023347000-memory.dmp

Filesize
92KB

Download
memory/628-126-0x0000000023350000-0x0000000023367000-memory.dmp

Filesize
92KB

Download
memory/628-131-0x0000000023370000-0x0000000023387000-memory.dmp

Filesize
92KB

Download
memory/628-136-0x0000000023390000-0x00000000233A7000-memory.dmp

Filesize
92KB

Download
memory/628-141-0x00000000233B0000-0x00000000233C7000-memory.dmp

Filesize
92KB

Download
memory/628-146-0x00000000233D0000-0x00000000233E7000-memory.dmp

Filesize
92KB

Download
memory/628-151-0x00000000233F0000-0x0000000023407000-memory.dmp

Filesize
92KB

Download
memory/628-156-0x0000000023410000-0x0000000023427000-memory.dmp

Filesize
92KB

Download
memory/628-161-0x0000000023430000-0x0000000023447000-memory.dmp

Filesize
92KB

Download
memory/628-166-0x0000000023450000-0x0000000023467000-memory.dmp

Filesize
92KB

Download
memory/628-171-0x0000000023470000-0x0000000023487000-memory.dmp

Filesize
92KB

Download
memory/628-176-0x0000000023490000-0x00000000234A7000-memory.dmp

Filesize
92KB

Download
memory/628-181-0x00000000234B0000-0x00000000234C7000-memory.dmp

Filesize
92KB

Download
memory/628-186-0x00000000234D0000-0x00000000234E7000-memory.dmp

Filesize
92KB

Download
memory/628-191-0x00000000234F0000-0x0000000023507000-memory.dmp

Filesize
92KB

Download
memory/628-196-0x0000000023510000-0x0000000023527000-memory.dmp

Filesize
92KB

Download
memory/628-201-0x0000000023530000-0x0000000023547000-memory.dmp

Filesize
92KB

Download
memory/628-206-0x0000000023550000-0x0000000023567000-memory.dmp

Filesize
92KB

Download
memory/628-211-0x0000000023570000-0x0000000023587000-memory.dmp

Filesize
92KB

Download
memory/628-216-0x0000000023590000-0x00000000235A7000-memory.dmp

Filesize
92KB

Download
memory/628-221-0x00000000235B0000-0x00000000235C7000-memory.dmp

Filesize
92KB

Download
memory/628-226-0x00000000235D0000-0x00000000235E7000-memory.dmp

Filesize
92KB

Download
memory/628-231-0x00000000235F0000-0x0000000023607000-memory.dmp

Filesize
92KB

Download
memory/628-236-0x0000000023610000-0x0000000023627000-memory.dmp

Filesize
92KB

Download
memory/628-241-0x0000000023630000-0x0000000023647000-memory.dmp

Filesize
92KB

Download
memory/628-246-0x0000000023650000-0x0000000023667000-memory.dmp

Filesize
92KB

Download
memory/628-251-0x0000000023670000-0x0000000023687000-memory.dmp

Filesize
92KB

Download
memory/628-256-0x0000000023690000-0x00000000236A7000-memory.dmp

Filesize
92KB

Download
memory/628-261-0x00000000236B0000-0x00000000236C7000-memory.dmp

Filesize
92KB

Download
memory/628-266-0x00000000236D0000-0x00000000236E7000-memory.dmp

Filesize
92KB

Download
memory/628-271-0x00000000236F0000-0x0000000023707000-memory.dmp

Filesize
92KB

Download
memory/628-276-0x0000000023710000-0x0000000023727000-memory.dmp

Filesize
92KB

Download
memory/628-281-0x0000000023730000-0x0000000023747000-memory.dmp

Filesize
92KB

Download
memory/628-286-0x0000000023750000-0x0000000023767000-memory.dmp

Filesize
92KB

Download
memory/628-291-0x0000000023770000-0x0000000023787000-memory.dmp

Filesize
92KB

Download
memory/628-296-0x0000000023790000-0x00000000237A7000-memory.dmp

Filesize
92KB

Download
memory/628-301-0x00000000237B0000-0x00000000237C7000-memory.dmp

Filesize
92KB

Download
memory/628-306-0x00000000237D0000-0x00000000237E7000-memory.dmp

Filesize
92KB

Download
memory/628-311-0x00000000237F0000-0x0000000023807000-memory.dmp

Filesize
92KB

Download
memory/628-316-0x0000000023810000-0x0000000023827000-memory.dmp

Filesize
92KB

Download
memory/628-321-0x0000000023830000-0x0000000023847000-memory.dmp

Filesize
92KB

Download
memory/3180-0-0x00000000006C0000-0x00000000006D2000-memory.dmp

Filesize
72KB

Download
memory/3180-1-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3180-2-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download