7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439

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 21:19

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General

Target

7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.exe
Size

61KB
MD5

6754ce1a6713e6c79340dbb66c697170
SHA1

51ae758ae86db290a3ec5f600295b54f69e5a479
SHA256

7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439
SHA512

4591308a0ce02b895797be0033e21e3772c155cb6bb9281a3a3142c855455518e987222d94732b62770c3b138868b53fce8156e83ef9cefd8376556a2778ea05
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johlehvhFh9K:NAoglOwvl4ulkP6vghzwYu7vih9GueIq

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2156	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2156	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"	7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.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	7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2156	2200	7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.exe	82
PID 2200 wrote to memory of 2156	2200	7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.exe	82
PID 2200 wrote to memory of 2156	2200	7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.exe	82

C:\Users\Admin\AppData\Local\Temp\7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.exe
"C:\Users\Admin\AppData\Local\Temp\7b48e650bb33afc598ec1c81fbcc480a10e918b56e3b8ecb39bd3e88f4e85439N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2200
- 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:2156

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
62KB

MD5
b56ca951bfda89a661bd9a11c2ddcf5a

SHA1
5c175693c321e77e79a931f95dc853a63cc632bd

SHA256
474effdcfae95b9296f138538e744327f979d58ff39ddefc727e8e72758dac39

SHA512
e107d555c43723ec68a0f281978fa1da6a150744c9e9a026873e81f10fab2f086dcfd3c58688577cc07132ee0a7f78d469037cfed62442ca64ac13b1a4f6c8cd

Download Submit
memory/2156-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2200-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2200-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads