ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 16:03

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General

Target

ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.exe
Size

44KB
MD5

dd0d824d8ecc9bfc078d17a0b5d6a0c0
SHA1

1e81c2bc036928ddd9cfcaf64aa6aa23177cf0a1
SHA256

ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2
SHA512

d9782c617f60af8c003109163a257dd4a68f916b03150614ced7ea1a2054473a0fd7a67c4b464329f97e96acf483ce1e99f0bd2f3efa10339f443b898d00d560
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Emkce:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gz

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1380	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1380	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 1380	436	ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.exe	82
PID 436 wrote to memory of 1380	436	ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.exe	82
PID 436 wrote to memory of 1380	436	ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.exe	82

C:\Users\Admin\AppData\Local\Temp\ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.exe
"C:\Users\Admin\AppData\Local\Temp\ea738909bd1490a97bc1c00856b12a4d3741cf4109ba8a9dd94c5abb6b312fd2N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:436
- 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:1380

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
44KB

MD5
234aa7e5b3986fb36a5361fc620878e0

SHA1
43e4ab37fb21ab78d8b544545893496070f609af

SHA256
4a96c1064bdf36035c472bd1804e08dfd46ef97e526e679d7a3680269fe13198

SHA512
a80d0d83dd4eb5e6a14a22c9a4f1c1c59d0623102965e50bdedc734637f4afeea3a5b28c10ee029842446589313e67fd7de9208fd77f9abdee9d139b23f79ca6

Download Submit
memory/436-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/436-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1380-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads