12f1371f62eaee96d39e7018699dadda57824ae6bbe53bf9e8410f6a2f4d01c0

Analysis

max time kernel
143s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26/10/2022, 01:22

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General

Target

8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
Size

368KB
MD5

22a16aac778046db0211063baf087f01
SHA1

b4b956ed95e827e0f3fa6fb41e339119660121d1
SHA256

8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2
SHA512

8b45b35b593fffda272d361e5f5e1a2c413157e47055de18d3a5a4fc12952e6ffee5419159efb7653373aa7360277034f951ab39a8725c16815ea0ca8e6b281c
SSDEEP

6144:T3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei/:gmWhND9yJz+b1FcMLmp2ATTSsd/

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe,"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
840	svchost.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\ce5d9c03 = "ç<\n{\|øwà"	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\ce5d9c03 = "ç<\n{\|øwà"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 840	3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe	81
PID 3212 wrote to memory of 840	3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe	81
PID 3212 wrote to memory of 840	3212	8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe	81

C:\Users\Admin\AppData\Local\Temp\8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe
"C:\Users\Admin\AppData\Local\Temp\8e9b0007d2d7be49ea53bee869c3ef8b120b25fa92fef4d4b85cb9ed002a4fc2.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - Suspicious behavior: EnumeratesProcesses
  PID:840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\apppatch\svchost.exe

Filesize
368KB

MD5
35292e1e4db9bb02642c8263a1e6ab0f

SHA1
b09c1a58d43b5c96bcb2b7794403c32f0c4169ba

SHA256
9fb2d3b0ae4f2ae5aa6b2a023a356102ab9215233e22a04c6fa13df50cd83857

SHA512
a24db9d5634f767411baea666b449907bf47003ffda79cbc947ccd3d8e2d9277f3e87b5363a6f0e6bbccbabf884a6d8678ad2d546c36587121107423e28f15fd

Download Submit
C:\Windows\apppatch\svchost.exe

Filesize
368KB

MD5
35292e1e4db9bb02642c8263a1e6ab0f

SHA1
b09c1a58d43b5c96bcb2b7794403c32f0c4169ba

SHA256
9fb2d3b0ae4f2ae5aa6b2a023a356102ab9215233e22a04c6fa13df50cd83857

SHA512
a24db9d5634f767411baea666b449907bf47003ffda79cbc947ccd3d8e2d9277f3e87b5363a6f0e6bbccbabf884a6d8678ad2d546c36587121107423e28f15fd

Download Submit
memory/840-135-0x00000000026E0000-0x0000000002788000-memory.dmp

Filesize
672KB

Download
memory/840-136-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download