67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 05:08

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General

Target

67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.exe
Size

39KB
MD5

b627276f3d0b3c256b9a5c3bed3f3280
SHA1

31ec5b2263ed92f54bbe5240321db3c3cc6a8fe8
SHA256

67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9
SHA512

61188031dd4668073596295fdbcd18295a53a627ae6520d56bb7c0ffc7b79eaec6e3203ab9469d9a8de7a6955ef851f530be8c734f603760d38dac469e7b21bb
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/2:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gp

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2872	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2872	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.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	67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2872	4656	67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.exe	83
PID 4656 wrote to memory of 2872	4656	67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.exe	83
PID 4656 wrote to memory of 2872	4656	67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.exe	83

C:\Users\Admin\AppData\Local\Temp\67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.exe
"C:\Users\Admin\AppData\Local\Temp\67ffe8b56395531d46aee2010278c7904a2d285a4d6469995fa4556ce458d9d9N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4656
- 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:2872

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
39KB

MD5
23c45a315170cdb31c421794f2362687

SHA1
66597011475037c6ab12ee275e23665a3d8d5a00

SHA256
306d926520cd0aa8f14561a5f8a86cf9302805b4e78990167d5c484ae0e93036

SHA512
2825a4b1fed7e2129e6d33140f7b43ce37bbd30504766e116d181b9cae1e9e4d969ae603e88b48ed16f9be0d149b26eae0381dc0310d22fdc475868a3273094d

Download Submit
memory/2872-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4656-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4656-6-0x0000000000400000-0x000000000040E000-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