303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412d

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 02:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.exe
Size

64KB
MD5

fa70ddb5afb7334ac01fee319f15b3f0
SHA1

340f4053b82fdd08510724bb893c38ac70c40ef6
SHA256

303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412d
SHA512

d0e0b375087464101b19ca7d75473de0d728018debb6b6aca89d9f5fab5c11a8c2151b42bc38062235c3e6303ad47dd46e5e6f745e48c71998c8ac971119c8a4
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGh3:lAo1lOwvlKlXBP6vghzwYu7vih9GueIK

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1760	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1760	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.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	303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 1760	4296	303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.exe	82
PID 4296 wrote to memory of 1760	4296	303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.exe	82
PID 4296 wrote to memory of 1760	4296	303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.exe	82

C:\Users\Admin\AppData\Local\Temp\303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.exe
"C:\Users\Admin\AppData\Local\Temp\303388de30a7dcd31820b6aa89835e490042921d0b5a15fce9be33740c31412dN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296
- 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:1760

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
65KB

MD5
221f067104eee0aeb97b7282722562d4

SHA1
b481e7693e49e609dfe2b14f7743a4159422b6e1

SHA256
66ea23a207c6a85e9bd4e9316eb1b1a3bc045d07ad50491a360a49fa3a50d593

SHA512
ad07fa8d29574ac43d486a9ccfb8fb169476858f68245706302c9763920251d0df8ed3e745c5842959725d81057ce908c19d320af6cb6506ff04cf41db37ea29

Download Submit
memory/1760-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4296-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4296-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads