ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 18:21

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General

Target

ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.exe
Size

63KB
MD5

9a5e99e0a753bad32986ac8e0f5654e0
SHA1

6c5520f698c6f42cc31e8671ee4da3342ee164fe
SHA256

ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5
SHA512

40a9fb2a04290dd44a24078bc0e62ff97e1985a35f86b1803f9d89b6394c2ed3082ae46322eee7196f952cf57a25a5342bbf69f47e240d90b7593fb52e463fa3
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6v8tvGE9UHrSdghj8bvHRIkhbUIchUh80mhDhNIhH+a:NAoglOwvl4ulkP6v8tvGE9UHrSdghj8Z

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3908	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3908	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.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	ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 3908	2340	ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.exe	82
PID 2340 wrote to memory of 3908	2340	ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.exe	82
PID 2340 wrote to memory of 3908	2340	ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.exe	82

C:\Users\Admin\AppData\Local\Temp\ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.exe
"C:\Users\Admin\AppData\Local\Temp\ea405338db118888aa854f48544a79ad5c3ba7e4369c5a16b7d91433212a9aa5N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- 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:3908

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
63KB

MD5
0eb67f374f837dabcd1a89e47952d0e0

SHA1
c8354722a36c953b4b9e6c2323e30469a6bbc0db

SHA256
d9f028ede87b73bd3b4b10c48d791353a5d0d87f9bcf7ce3505ef1a1ad634917

SHA512
189f066cf18c5d49ffa9d5711e3a0e2375c77db2527253d6a92b35bd949d4451c76af8f062baae536578543f2791deeafdfb456364a29bdafcdd2f7818abb18b

Download Submit
memory/2340-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2340-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3908-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3908-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads