401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8

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
29/09/2024, 11:28

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General

Target

401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.exe
Size

44KB
MD5

0726d470d348e15c94ae1a31fab08110
SHA1

e4d2e979a12a975bad20d0db140660f1c949fbbb
SHA256

401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8
SHA512

6cc317e467814e8843363d6f5dc31add956680de8951451cc029c5eccb884c3837d11a06289c76e4f7b1df32d93078111b12e391c72d06c0e39627e0b00d8cc9
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIF2Y:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gf

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4056	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4056	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"	401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.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	401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 4056	1004	401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.exe	82
PID 1004 wrote to memory of 4056	1004	401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.exe	82
PID 1004 wrote to memory of 4056	1004	401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.exe	82

C:\Users\Admin\AppData\Local\Temp\401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.exe
"C:\Users\Admin\AppData\Local\Temp\401652a9488a349001928cad6fb2950a48a6bd95a055d3f14fbe5aa232abbde8N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1004
- 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:4056

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
adbede4aa3b1a49a0ea09c5269f9161f

SHA1
fb6efc83f48daada884c82ae684a8c7d1dde2958

SHA256
718cd2cdc9d11c3d1a9ad7d23b60b36af35dbf4ac3e878d484fc238f45091d27

SHA512
f542ba8518f4397cb117bbb9289b612b089faa10a05750341907b73788bc14c46ea73108d55f70d8f698a9585419505411d3cf0dfdb9273e4795985e6c3635f2

Download Submit
memory/1004-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1004-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4056-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads