29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76f

Analysis

max time kernel
119s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 20:14

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General

Target

29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.exe
Size

79KB
MD5

f11683adf43c2671d31249fc65c0d060
SHA1

71091bdafb3063165595a4afe4b04b8eefe95380
SHA256

29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76f
SHA512

b64f3a519df98eb2e2a7257285fdcfe83fa21bfb32f6bb2513b0c06e8b0f58bfa74e61423243d8cbb6e974015a8e13dc4785b4bd9b240cdf197d41903a5737d4
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/3:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhA3

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2384	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.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	29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 2384	4900	29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.exe	84
PID 4900 wrote to memory of 2384	4900	29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.exe	84
PID 4900 wrote to memory of 2384	4900	29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.exe	84

C:\Users\Admin\AppData\Local\Temp\29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.exe
"C:\Users\Admin\AppData\Local\Temp\29306831d817e40b5afaf61b15ef208e7a8269f3b942dbbc534abbac1b0aa76fN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900
- 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:2384

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
80KB

MD5
ee7cc6191abb2f89ab30f00dfe9a2070

SHA1
c10e72bd0cab306938c0b6677b3f6eaf5583acf7

SHA256
9d4cb479139b3b11440d65cd1ab9ff8c506a4ffafd052e08cded300f7b41d286

SHA512
e70b3c4cd9ef81f2b989eaa7a7a503858d494d26558924625d8f352b54687dd9655654707c5e3700e789ca234af225d4138022cf498e16e4a4cfe9abd53da32f

Download Submit
memory/2384-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4900-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4900-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads