3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
2116	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe
3020	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.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\1d33d8e8 = "C:\\Windows\\apppatch\\svchost.exe"	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\1d33d8e8 = "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	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe
2116	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3020	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2116	3020	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe	30
PID 3020 wrote to memory of 2116	3020	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe	30
PID 3020 wrote to memory of 2116	3020	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe	30
PID 3020 wrote to memory of 2116	3020	3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe	30

C:\Users\Admin\AppData\Local\Temp\3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe
"C:\Users\Admin\AppData\Local\Temp\3468c695a5dd50a99393832613a7432f7d3171eab99d0154e7d2eb5dbc07b8e8N.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3020
- 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:2116

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

Replay Monitor

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Downloads

\Windows\AppPatch\svchost.exe

Filesize
157KB

MD5
a9e031e490a7a42a0e9c037eabda380e

SHA1
b3fed14cf5482fc149b95a5fe1b2d827e3e88462

SHA256
8dbe6f146162efcf7ca31bdc52e01d567156155f14d3096d23da97947791b44c

SHA512
1064c6d5f823c75c3eb26a9b060023e3b2c7482381ae0743ce3d58b86674a10ae99bb8350caa6e1a7b43ace8c1f3174f06539b9637e6dd48e795b0312d374cb2

Download Submit
memory/2116-14-0x0000000001E60000-0x0000000001EA6000-memory.dmp

Filesize
280KB

Download
memory/2116-24-0x0000000001E60000-0x0000000001EA6000-memory.dmp

Filesize
280KB

Download
memory/2116-22-0x0000000001E60000-0x0000000001EA6000-memory.dmp

Filesize
280KB

Download
memory/2116-20-0x0000000001E60000-0x0000000001EA6000-memory.dmp

Filesize
280KB

Download
memory/2116-18-0x0000000001E60000-0x0000000001EA6000-memory.dmp

Filesize
280KB

Download
memory/2116-16-0x0000000001E60000-0x0000000001EA6000-memory.dmp

Filesize
280KB

Download
memory/2116-27-0x0000000001EB0000-0x0000000001EFA000-memory.dmp

Filesize
296KB

Download
memory/2116-28-0x0000000001EB0000-0x0000000001EFA000-memory.dmp

Filesize
296KB

Download
memory/2116-30-0x0000000001EB0000-0x0000000001EFA000-memory.dmp

Filesize
296KB

Download
memory/2116-34-0x0000000001EB0000-0x0000000001EFA000-memory.dmp

Filesize
296KB

Download
memory/3020-13-0x00000000012C0000-0x00000000012F0000-memory.dmp

Filesize
192KB

Download