26a9f7f666d3fc8f58c9fa7217caea85afaac8cd9c140494669fcdd2d3bf6293

Analysis

max time kernel
180s
max time network
180s
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, 09:02

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General

Target

14020514437bcd0948b94af5c5be0539.exe
Size

81KB
MD5

14020514437bcd0948b94af5c5be0539
SHA1

cdd4e2cda4cceb61b4fb24f8001b96c3ea867846
SHA256

26a9f7f666d3fc8f58c9fa7217caea85afaac8cd9c140494669fcdd2d3bf6293
SHA512

aac7f66f61e9401c0408123c54c58a9e8ed3e7db5c300a18ce793ced70da6eb7adfa35fe6e88e32530364f55ec0e10aaf94f9d1019cdbdf5697e41888879c0ab
SSDEEP

1536:PYI1lA8IC6QjV2kSUNLyJPXju5ahnDscNvCdj/up1TduJG23z8HJMZyY:ndIC6QjV2kjwlK5ahnD1NvCdjmZEz8H2

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,"	14020514437bcd0948b94af5c5be0539.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	14020514437bcd0948b94af5c5be0539.exe
File created	C:\Windows\SysWOW64\sdra64.exe	14020514437bcd0948b94af5c5be0539.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
536	14020514437bcd0948b94af5c5be0539.exe
536	14020514437bcd0948b94af5c5be0539.exe
536	14020514437bcd0948b94af5c5be0539.exe
536	14020514437bcd0948b94af5c5be0539.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	14020514437bcd0948b94af5c5be0539.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6
PID 536 wrote to memory of 612	536	14020514437bcd0948b94af5c5be0539.exe	6

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Users\Admin\AppData\Local\Temp\14020514437bcd0948b94af5c5be0539.exe
"C:\Users\Admin\AppData\Local\Temp\14020514437bcd0948b94af5c5be0539.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:536

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/536-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/536-1-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/536-3-0x00000000021A0000-0x00000000021B1000-memory.dmp

Filesize
68KB

Download
memory/536-2-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/536-4-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/536-2462-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/536-2461-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/612-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/612-18-0x0000000005C00000-0x0000000005C17000-memory.dmp

Filesize
92KB

Download
memory/612-23-0x0000000005C20000-0x0000000005C37000-memory.dmp

Filesize
92KB

Download
memory/612-28-0x0000000005C40000-0x0000000005C57000-memory.dmp

Filesize
92KB

Download
memory/612-33-0x0000000005C60000-0x0000000005C77000-memory.dmp

Filesize
92KB

Download
memory/612-38-0x0000000005C80000-0x0000000005C97000-memory.dmp

Filesize
92KB

Download
memory/612-43-0x0000000005CA0000-0x0000000005CB7000-memory.dmp

Filesize
92KB

Download
memory/612-48-0x0000000005CC0000-0x0000000005CD7000-memory.dmp

Filesize
92KB

Download
memory/612-53-0x0000000005CE0000-0x0000000005CF7000-memory.dmp

Filesize
92KB

Download
memory/612-58-0x0000000005D00000-0x0000000005D17000-memory.dmp

Filesize
92KB

Download
memory/612-63-0x0000000005D20000-0x0000000005D37000-memory.dmp

Filesize
92KB

Download
memory/612-68-0x0000000005D40000-0x0000000005D57000-memory.dmp

Filesize
92KB

Download
memory/612-73-0x0000000005D60000-0x0000000005D77000-memory.dmp

Filesize
92KB

Download
memory/612-78-0x0000000005D80000-0x0000000005D97000-memory.dmp

Filesize
92KB

Download
memory/612-83-0x0000000005DA0000-0x0000000005DB7000-memory.dmp

Filesize
92KB

Download
memory/612-88-0x0000000005DC0000-0x0000000005DD7000-memory.dmp

Filesize
92KB

Download
memory/612-93-0x0000000005DE0000-0x0000000005DF7000-memory.dmp

Filesize
92KB

Download
memory/612-98-0x0000000005E00000-0x0000000005E17000-memory.dmp

Filesize
92KB

Download
memory/612-103-0x0000000005E20000-0x0000000005E37000-memory.dmp

Filesize
92KB

Download
memory/612-108-0x0000000005E40000-0x0000000005E57000-memory.dmp

Filesize
92KB

Download
memory/612-113-0x0000000005E60000-0x0000000005E77000-memory.dmp

Filesize
92KB

Download
memory/612-118-0x0000000005E80000-0x0000000005E97000-memory.dmp

Filesize
92KB

Download
memory/612-123-0x0000000005EA0000-0x0000000005EB7000-memory.dmp

Filesize
92KB

Download
memory/612-128-0x0000000005EC0000-0x0000000005ED7000-memory.dmp

Filesize
92KB

Download
memory/612-133-0x0000000005EE0000-0x0000000005EF7000-memory.dmp

Filesize
92KB

Download
memory/612-138-0x0000000005F00000-0x0000000005F17000-memory.dmp

Filesize
92KB

Download
memory/612-143-0x0000000005F20000-0x0000000005F37000-memory.dmp

Filesize
92KB

Download
memory/612-148-0x0000000005F40000-0x0000000005F57000-memory.dmp

Filesize
92KB

Download
memory/612-153-0x0000000005F60000-0x0000000005F77000-memory.dmp

Filesize
92KB

Download
memory/612-158-0x0000000005F80000-0x0000000005F97000-memory.dmp

Filesize
92KB

Download
memory/612-163-0x0000000005FA0000-0x0000000005FB7000-memory.dmp

Filesize
92KB

Download
memory/612-168-0x0000000005FC0000-0x0000000005FD7000-memory.dmp

Filesize
92KB

Download
memory/612-173-0x0000000005FE0000-0x0000000005FF7000-memory.dmp

Filesize
92KB

Download
memory/612-183-0x0000000006020000-0x0000000006037000-memory.dmp

Filesize
92KB

Download
memory/612-178-0x0000000006000000-0x0000000006017000-memory.dmp

Filesize
92KB

Download
memory/612-188-0x0000000006040000-0x0000000006057000-memory.dmp

Filesize
92KB

Download
memory/612-193-0x0000000006060000-0x0000000006077000-memory.dmp

Filesize
92KB

Download
memory/612-198-0x0000000006080000-0x0000000006097000-memory.dmp

Filesize
92KB

Download
memory/612-203-0x00000000060A0000-0x00000000060B7000-memory.dmp

Filesize
92KB

Download
memory/612-208-0x00000000060C0000-0x00000000060D7000-memory.dmp

Filesize
92KB

Download
memory/612-213-0x00000000060E0000-0x00000000060F7000-memory.dmp

Filesize
92KB

Download
memory/612-218-0x0000000006100000-0x0000000006117000-memory.dmp

Filesize
92KB

Download
memory/612-223-0x0000000006120000-0x0000000006137000-memory.dmp

Filesize
92KB

Download
memory/612-228-0x0000000006140000-0x0000000006157000-memory.dmp

Filesize
92KB

Download
memory/612-233-0x0000000006160000-0x0000000006177000-memory.dmp

Filesize
92KB

Download
memory/612-238-0x0000000006180000-0x0000000006197000-memory.dmp

Filesize
92KB

Download
memory/612-248-0x00000000061C0000-0x00000000061D7000-memory.dmp

Filesize
92KB

Download
memory/612-243-0x00000000061A0000-0x00000000061B7000-memory.dmp

Filesize
92KB

Download
memory/612-253-0x00000000061E0000-0x00000000061F7000-memory.dmp

Filesize
92KB

Download
memory/612-258-0x0000000006200000-0x0000000006217000-memory.dmp

Filesize
92KB

Download
memory/612-263-0x0000000006220000-0x0000000006237000-memory.dmp

Filesize
92KB

Download
memory/612-268-0x0000000006240000-0x0000000006257000-memory.dmp

Filesize
92KB

Download
memory/612-273-0x0000000006260000-0x0000000006277000-memory.dmp

Filesize
92KB

Download
memory/612-278-0x0000000006280000-0x0000000006297000-memory.dmp

Filesize
92KB

Download
memory/612-283-0x00000000062A0000-0x00000000062B7000-memory.dmp

Filesize
92KB

Download
memory/612-288-0x00000000062C0000-0x00000000062D7000-memory.dmp

Filesize
92KB

Download
memory/612-293-0x00000000062E0000-0x00000000062F7000-memory.dmp

Filesize
92KB

Download
memory/612-298-0x0000000006300000-0x0000000006317000-memory.dmp

Filesize
92KB

Download
memory/612-308-0x0000000006340000-0x0000000006357000-memory.dmp

Filesize
92KB

Download
memory/612-303-0x0000000006320000-0x0000000006337000-memory.dmp

Filesize
92KB

Download
memory/612-313-0x0000000006360000-0x0000000006377000-memory.dmp

Filesize
92KB

Download
memory/612-318-0x0000000006380000-0x0000000006397000-memory.dmp

Filesize
92KB

Download
memory/612-323-0x00000000063A0000-0x00000000063B7000-memory.dmp

Filesize
92KB

Download