e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd

Analysis

max time kernel
146s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 02:06

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General

Target

e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
Size

212KB
MD5

41633143cc0c60b0dd63666f3e48cf0e
SHA1

31382e5500568f4dc228a12f169065a4cec3a5dc
SHA256

e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd
SHA512

1e17346ce1861eb66926625ba16f0c06a9b8939d6c66ce9696cdf5bfba5becce1c1d37cc9866ac132ecf202d9dc5dedb80684f6adf4bb2395a864a6d66fecff7
SSDEEP

3072:8Cp92OF9j48oGabSYZyG892cfyu1B9MOG7uiVBEjkdYlvgXiTaBHXO/CE0wXg478:8CpB3M8oHK5KuFi7uiVBjdYlYnUf04un

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
4608	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\d56895f0 = "7\x1eì£ô#ÌÈô¬„\x05\x03\x1ckd)§mwðõˆŸ«Gƒ\rX´Š$Å¼€\flµ]”\x04Œ\x05"	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\d56895f0 = "7\x1eì£ô#ÌÈô¬„\x05\x03\x1ckd)§mwðõˆŸ«Gƒ\rX´Š$Å¼€\flµ]”\x04Œ\x05"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe
4608	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 4608	4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe	81
PID 4220 wrote to memory of 4608	4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe	81
PID 4220 wrote to memory of 4608	4220	e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe	81

C:\Users\Admin\AppData\Local\Temp\e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe
"C:\Users\Admin\AppData\Local\Temp\e8b175e84b68158a4fcd7225cecabc5af61f45baf97e7773fff436b5f63fabbd.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - Suspicious behavior: EnumeratesProcesses
  PID:4608

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
212KB

MD5
2d69b7738466ce544e2131be1e215020

SHA1
882572c9afefeef90f551d18d80ba667c3051eef

SHA256
a25e77edd626654f72e903ffd110890e43964bdc6f23824194fcad186b248e08

SHA512
a937f96dbfd39e806ef2fdf97bd3c715490ea2caf889691bb1ff60766d457d2082649b3440fcd31321647fdf735bb73df773b1289fc1ca652e674669c1369c68

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

Filesize
212KB

MD5
2d69b7738466ce544e2131be1e215020

SHA1
882572c9afefeef90f551d18d80ba667c3051eef

SHA256
a25e77edd626654f72e903ffd110890e43964bdc6f23824194fcad186b248e08

SHA512
a937f96dbfd39e806ef2fdf97bd3c715490ea2caf889691bb1ff60766d457d2082649b3440fcd31321647fdf735bb73df773b1289fc1ca652e674669c1369c68

Download Submit
memory/4220-139-0x0000000002260000-0x00000000022B1000-memory.dmp

Filesize
324KB

Download
memory/4220-133-0x0000000002260000-0x00000000022B1000-memory.dmp

Filesize
324KB

Download
memory/4220-134-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/4220-140-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/4220-132-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/4608-138-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/4608-141-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/4608-142-0x00000000024E0000-0x0000000002588000-memory.dmp

Filesize
672KB

Download
memory/4608-143-0x0000000002C40000-0x0000000002CF6000-memory.dmp

Filesize
728KB

Download
memory/4608-144-0x0000000002C40000-0x0000000002CF6000-memory.dmp

Filesize
728KB

Download