3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8

Analysis

max time kernel
120s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 17:39

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General

Target

3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe
Size

157KB
MD5

a579bbe96e4a3e15653ab02e60927e70
SHA1

4be1539006aca580caa09a546f13eb0e10a8ecc0
SHA256

3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8
SHA512

6336e650cba92b11251a4ee393ba825695cfe7a1009dfaef93eb79046f19a5c5c6c483abb005a2264eb4a627482d3aea1559ebf464a89746b3c602a9f666f257
SSDEEP

3072:teVsjyYsAq/C3RCzgJHvNA1PpYfFL6zU+BEfi:4OjjqahUSPe1SZ+h

Score

10^/10

discovery 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\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
2876	svchost.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\45928007 = "C:\\Windows\\apppatch\\svchost.exe"	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\45928007 = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2876	svchost.exe
2876	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1064	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2876	1064	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe	82
PID 1064 wrote to memory of 2876	1064	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe	82
PID 1064 wrote to memory of 2876	1064	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe	82

C:\Users\Admin\AppData\Local\Temp\3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe
"C:\Users\Admin\AppData\Local\Temp\3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2876

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\apppatch\svchost.exe

Filesize
157KB

MD5
75edae73df143ef783946bfe85370531

SHA1
75db9e661497084d32da0d215a8772e6d2e88ee1

SHA256
f349ae1e7d57e159f57bf5fa6d7a10ed99866e1360b734a8289b788453512f18

SHA512
0fc44f100cfc3a84e0a9977baec08f0adef725ea64fb22671cf9d4296ec0169d3e4806d1000e19895b7ceb19da4a4f2f1cabbf164df58e7bc70987eb819c0e5b

Download Submit
memory/1064-8-0x00000000006A0000-0x00000000006D0000-memory.dmp

Filesize
192KB

Download
memory/2876-10-0x0000000003260000-0x00000000032A6000-memory.dmp

Filesize
280KB

Download
memory/2876-13-0x0000000003600000-0x000000000364A000-memory.dmp

Filesize
296KB

Download
memory/2876-17-0x0000000003600000-0x000000000364A000-memory.dmp

Filesize
296KB

Download
memory/2876-14-0x0000000003600000-0x000000000364A000-memory.dmp

Filesize
296KB

Download
memory/2876-19-0x0000000003600000-0x000000000364A000-memory.dmp

Filesize
296KB

Download