65a3681a419499ebd675b6d7230a4b305cdf0f7a4e24dfc0c9728d7938e76815

Analysis

max time kernel
119s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 00:26

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General

Target

146f03f476ed3f44718342af50166be0N.exe
Size

47KB
MD5

146f03f476ed3f44718342af50166be0
SHA1

a1a833f89a4cc7176b32a95f250ab2dbf73c734e
SHA256

65a3681a419499ebd675b6d7230a4b305cdf0f7a4e24dfc0c9728d7938e76815
SHA512

34a6fb45c250804c47fb5300725a4c85feee3ca94261069da262c9474849562a1084994d86fae0f3a0b3e19842ed9fe4f735017d4cfe12d32c928e942235fd36
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh+:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYe

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2372	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2372	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"	146f03f476ed3f44718342af50166be0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	146f03f476ed3f44718342af50166be0N.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	146f03f476ed3f44718342af50166be0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2372	2232	146f03f476ed3f44718342af50166be0N.exe	85
PID 2232 wrote to memory of 2372	2232	146f03f476ed3f44718342af50166be0N.exe	85
PID 2232 wrote to memory of 2372	2232	146f03f476ed3f44718342af50166be0N.exe	85

C:\Users\Admin\AppData\Local\Temp\146f03f476ed3f44718342af50166be0N.exe
"C:\Users\Admin\AppData\Local\Temp\146f03f476ed3f44718342af50166be0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2372

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
48KB

MD5
665c6a1e70aa29b70daeda3baa7187ca

SHA1
f29561741ae7c4a3f2e1faf096375412de5bc476

SHA256
09cdd87ad6bc456412eedf8693b8d5780b94b8fc6e4ece71b88588b13e0aad9d

SHA512
440595e0838107dbb2beb934426414adaf54f913512eb62a01e14d6317c2a5f430f43f06ccc62d8aadd4a9632aba194dd028a62ecef3d2f4d956b0ee423cea5c

Download Submit
memory/2232-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2232-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2372-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads