9b3f388243b794921858cc4407791cefbc5f963e67bb09d9a0ccdba0d91fa7e8

Analysis

max time kernel
168s
max time network
188s
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 10:32

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General

Target

16024b312b16e577d4ac87e79ccb79e1.exe
Size

87KB
MD5

16024b312b16e577d4ac87e79ccb79e1
SHA1

4e92cdfd6c00b76e85632bf5a5f4cd644c3ff0d4
SHA256

9b3f388243b794921858cc4407791cefbc5f963e67bb09d9a0ccdba0d91fa7e8
SHA512

efa3f0f31757c89607bcc95cf7fc5d7963670803d743294a53eac622c0f092eaf5f4802066cdd9a4211732d15ea7377f6f2746dd4521ea7267c6db9a1c43fae3
SSDEEP

1536:nIOZAW+AfPoKR2m7QXwa0ihfkL9+HMCLSJ3NvXIvNapmsfRHzzOQGfi6z7j2nkUY:Iy+s77kf5Mfvw1a4sZPVGfnz/2T8XF6O

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\\sdra64.exe,"	16024b312b16e577d4ac87e79ccb79e1.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	16024b312b16e577d4ac87e79ccb79e1.exe
File created	C:\Windows\SysWOW64\sdra64.exe	16024b312b16e577d4ac87e79ccb79e1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3712	16024b312b16e577d4ac87e79ccb79e1.exe
3712	16024b312b16e577d4ac87e79ccb79e1.exe
3712	16024b312b16e577d4ac87e79ccb79e1.exe
3712	16024b312b16e577d4ac87e79ccb79e1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3712	16024b312b16e577d4ac87e79ccb79e1.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3
PID 3712 wrote to memory of 620	3712	16024b312b16e577d4ac87e79ccb79e1.exe	3

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:620

C:\Users\Admin\AppData\Local\Temp\16024b312b16e577d4ac87e79ccb79e1.exe
"C:\Users\Admin\AppData\Local\Temp\16024b312b16e577d4ac87e79ccb79e1.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3712

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/620-171-0x00000000019D0000-0x00000000019EC000-memory.dmp

Filesize
112KB

Download
memory/620-76-0x0000000001770000-0x000000000178C000-memory.dmp

Filesize
112KB

Download
memory/620-21-0x0000000001610000-0x000000000162C000-memory.dmp

Filesize
112KB

Download
memory/620-26-0x0000000001630000-0x000000000164C000-memory.dmp

Filesize
112KB

Download
memory/620-31-0x0000000001650000-0x000000000166C000-memory.dmp

Filesize
112KB

Download
memory/620-36-0x0000000001670000-0x000000000168C000-memory.dmp

Filesize
112KB

Download
memory/620-41-0x0000000001690000-0x00000000016AC000-memory.dmp

Filesize
112KB

Download
memory/620-46-0x00000000016B0000-0x00000000016CC000-memory.dmp

Filesize
112KB

Download
memory/620-51-0x00000000016D0000-0x00000000016EC000-memory.dmp

Filesize
112KB

Download
memory/620-56-0x00000000016F0000-0x000000000170C000-memory.dmp

Filesize
112KB

Download
memory/620-61-0x0000000001710000-0x000000000172C000-memory.dmp

Filesize
112KB

Download
memory/620-66-0x0000000001730000-0x000000000174C000-memory.dmp

Filesize
112KB

Download
memory/620-71-0x0000000001750000-0x000000000176C000-memory.dmp

Filesize
112KB

Download
memory/620-176-0x00000000019F0000-0x0000000001A0C000-memory.dmp

Filesize
112KB

Download
memory/620-81-0x0000000001790000-0x00000000017AC000-memory.dmp

Filesize
112KB

Download
memory/620-86-0x00000000017B0000-0x00000000017CC000-memory.dmp

Filesize
112KB

Download
memory/620-91-0x00000000017D0000-0x00000000017EC000-memory.dmp

Filesize
112KB

Download
memory/620-96-0x00000000017F0000-0x000000000180C000-memory.dmp

Filesize
112KB

Download
memory/620-101-0x0000000001810000-0x000000000182C000-memory.dmp

Filesize
112KB

Download
memory/620-106-0x0000000001830000-0x000000000184C000-memory.dmp

Filesize
112KB

Download
memory/620-111-0x0000000001850000-0x000000000186C000-memory.dmp

Filesize
112KB

Download
memory/620-116-0x0000000001870000-0x000000000188C000-memory.dmp

Filesize
112KB

Download
memory/620-121-0x0000000001890000-0x00000000018AC000-memory.dmp

Filesize
112KB

Download
memory/620-126-0x00000000018B0000-0x00000000018CC000-memory.dmp

Filesize
112KB

Download
memory/620-131-0x00000000018D0000-0x00000000018EC000-memory.dmp

Filesize
112KB

Download
memory/620-136-0x00000000018F0000-0x000000000190C000-memory.dmp

Filesize
112KB

Download
memory/620-141-0x0000000001910000-0x000000000192C000-memory.dmp

Filesize
112KB

Download
memory/620-146-0x0000000001930000-0x000000000194C000-memory.dmp

Filesize
112KB

Download
memory/620-151-0x0000000001950000-0x000000000196C000-memory.dmp

Filesize
112KB

Download
memory/620-156-0x0000000001970000-0x000000000198C000-memory.dmp

Filesize
112KB

Download
memory/620-181-0x0000000001A10000-0x0000000001A2C000-memory.dmp

Filesize
112KB

Download
memory/620-166-0x00000000019B0000-0x00000000019CC000-memory.dmp

Filesize
112KB

Download
memory/620-196-0x0000000001A70000-0x0000000001A8C000-memory.dmp

Filesize
112KB

Download
memory/620-16-0x00000000015F0000-0x000000000160C000-memory.dmp

Filesize
112KB

Download
memory/620-161-0x0000000001990000-0x00000000019AC000-memory.dmp

Filesize
112KB

Download
memory/620-186-0x0000000001A30000-0x0000000001A4C000-memory.dmp

Filesize
112KB

Download
memory/620-191-0x0000000001A50000-0x0000000001A6C000-memory.dmp

Filesize
112KB

Download
memory/620-11-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/620-201-0x0000000001A90000-0x0000000001AAC000-memory.dmp

Filesize
112KB

Download
memory/620-206-0x0000000001AB0000-0x0000000001ACC000-memory.dmp

Filesize
112KB

Download
memory/620-211-0x0000000001AD0000-0x0000000001AEC000-memory.dmp

Filesize
112KB

Download
memory/620-216-0x0000000001AF0000-0x0000000001B0C000-memory.dmp

Filesize
112KB

Download
memory/620-221-0x0000000001B10000-0x0000000001B2C000-memory.dmp

Filesize
112KB

Download
memory/620-226-0x0000000001B30000-0x0000000001B4C000-memory.dmp

Filesize
112KB

Download
memory/620-231-0x0000000001B50000-0x0000000001B6C000-memory.dmp

Filesize
112KB

Download
memory/620-236-0x0000000001B70000-0x0000000001B8C000-memory.dmp

Filesize
112KB

Download
memory/620-241-0x0000000001B90000-0x0000000001BAC000-memory.dmp

Filesize
112KB

Download
memory/620-247-0x0000000001BB0000-0x0000000001BCC000-memory.dmp

Filesize
112KB

Download
memory/620-252-0x0000000001BD0000-0x0000000001BEC000-memory.dmp

Filesize
112KB

Download
memory/620-317-0x0000000001D70000-0x0000000001D8C000-memory.dmp

Filesize
112KB

Download
memory/620-312-0x0000000001D50000-0x0000000001D6C000-memory.dmp

Filesize
112KB

Download
memory/620-257-0x0000000001BF0000-0x0000000001C0C000-memory.dmp

Filesize
112KB

Download
memory/620-262-0x0000000001C10000-0x0000000001C2C000-memory.dmp

Filesize
112KB

Download
memory/620-267-0x0000000001C30000-0x0000000001C4C000-memory.dmp

Filesize
112KB

Download
memory/620-272-0x0000000001C50000-0x0000000001C6C000-memory.dmp

Filesize
112KB

Download
memory/620-277-0x0000000001C70000-0x0000000001C8C000-memory.dmp

Filesize
112KB

Download
memory/620-282-0x0000000001C90000-0x0000000001CAC000-memory.dmp

Filesize
112KB

Download
memory/620-287-0x0000000001CB0000-0x0000000001CCC000-memory.dmp

Filesize
112KB

Download
memory/620-292-0x0000000001CD0000-0x0000000001CEC000-memory.dmp

Filesize
112KB

Download
memory/620-297-0x0000000001CF0000-0x0000000001D0C000-memory.dmp

Filesize
112KB

Download
memory/620-302-0x0000000001D10000-0x0000000001D2C000-memory.dmp

Filesize
112KB

Download
memory/620-307-0x0000000001D30000-0x0000000001D4C000-memory.dmp

Filesize
112KB

Download
memory/3712-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3712-0-0x00000000009C0000-0x00000000009D5000-memory.dmp

Filesize
84KB

Download
memory/3712-2-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3712-242-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download