35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28ced

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 03:06

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General

Target

35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe
Size

65KB
MD5

06352b0bc7ad759e838f74df7d4c5e10
SHA1

bda551170443ddb3eeea6dc05cbab1ea75fd80fa
SHA256

35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28ced
SHA512

1aed34976d42ff7b83d4e2e41966af636231abbb7914ed4d1c3da6d8573b34108f3543a77f21536e338ff8e5c4480b9976a86ab91dff0c98bab198cf3f8ed234
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyz:lAo1lOwvlKlXBP6vghzwYu7vih9GueIu

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2176	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 2176	4936	35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe	83
PID 4936 wrote to memory of 2176	4936	35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe	83
PID 4936 wrote to memory of 2176	4936	35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe	83

C:\Users\Admin\AppData\Local\Temp\35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe
"C:\Users\Admin\AppData\Local\Temp\35bca4cfa92bb972293f53a575d39507d8bb28f307b288311fa83f0595c28cedN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\microsofthelp.exe

Filesize
65KB

MD5
6c10f04f7ded06a9297e601fca0b9a95

SHA1
1f21bdbc7e66906294b4f98b8dd3477a758f8021

SHA256
5ed41348e6b7770c28b72ba7c24de1b58b54cc77aa5d151c77b7940c8ef3b1fd

SHA512
582cda1921c48d6d7f858033fe32f57bdd7f9e30dce1b169615516e911b68f12902e5b52c08400a6dfe822913cb9353c33882482f5a04a7c6cdb9c2bbf8dcf60

Download Submit
memory/2176-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4936-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4936-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads