3aafa042a10f39367ead5b9641c1b43a9895d749382de34a51ad4a64efb7c23e

Analysis

max time kernel
31s
max time network
32s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 05:45

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Reason

Machine shutdown

Report Analysis Logs

General

Target

65bdcb6fad8c416c748c889922a9a530N.exe
Size

64KB
MD5

65bdcb6fad8c416c748c889922a9a530
SHA1

b21fc33398e6b6f6d2b5bbbde179c9b2f6867eda
SHA256

3aafa042a10f39367ead5b9641c1b43a9895d749382de34a51ad4a64efb7c23e
SHA512

5e3c2f9a4c387d00cc9b2ab35b8642203e462c292582a5a5998d2e5de4f6a4906958f0afcb97c1ba46a633786094b5ebd6a6b9b3d9b2e43cf176879181c639b4
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uZd7ZY83:lAo1lOwvlKlXBP6vghzwYu7vih9GueIE

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2648	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2648	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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	65bdcb6fad8c416c748c889922a9a530N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	65bdcb6fad8c416c748c889922a9a530N.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	65bdcb6fad8c416c748c889922a9a530N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 2648	1872	65bdcb6fad8c416c748c889922a9a530N.exe	84
PID 1872 wrote to memory of 2648	1872	65bdcb6fad8c416c748c889922a9a530N.exe	84
PID 1872 wrote to memory of 2648	1872	65bdcb6fad8c416c748c889922a9a530N.exe	84

C:\Users\Admin\AppData\Local\Temp\65bdcb6fad8c416c748c889922a9a530N.exe
"C:\Users\Admin\AppData\Local\Temp\65bdcb6fad8c416c748c889922a9a530N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1872
- 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:2648

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
4169f096e639eb382e752674048633f0

SHA1
f739ff7b7fdf0d818613536c39915828dd24e36d

SHA256
8ef5dc1fa19ae41213a6b4698136d64065acc2a43a34ea6935fcb46ef923f08d

SHA512
350bd07290eb3c9601972a59abf6a9c25c9c8cd268dcdd437384c8ea5e714214f74862797cdc706b7e19184e0e6d2022edc020afbb9ba5d60ddf25110dfe4366

Download Submit
memory/1872-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1872-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2648-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads