cec2b133f40b7e034b0a1c80e4a53a10534bd1ab9047782e42738cb5c7e0d1ad

Analysis

max time kernel
119s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:42

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General

Target

c247aa0714272f8e80dd7380a8949be0N.exe
Size

77KB
MD5

c247aa0714272f8e80dd7380a8949be0
SHA1

b63f01add964b67cd8a55c74ed580648005bd4db
SHA256

cec2b133f40b7e034b0a1c80e4a53a10534bd1ab9047782e42738cb5c7e0d1ad
SHA512

44e58083e086195a2d9d634dae9040f90000899e4104441363874fcafe8653fbcbd7c888ef8286363fdf22888a3e37c7f74262bce53584c8ccb41dbdbbb6568d
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/V:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAV

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1812	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1812	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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c247aa0714272f8e80dd7380a8949be0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c247aa0714272f8e80dd7380a8949be0N.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	c247aa0714272f8e80dd7380a8949be0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1812	3032	c247aa0714272f8e80dd7380a8949be0N.exe	82
PID 3032 wrote to memory of 1812	3032	c247aa0714272f8e80dd7380a8949be0N.exe	82
PID 3032 wrote to memory of 1812	3032	c247aa0714272f8e80dd7380a8949be0N.exe	82

C:\Users\Admin\AppData\Local\Temp\c247aa0714272f8e80dd7380a8949be0N.exe
"C:\Users\Admin\AppData\Local\Temp\c247aa0714272f8e80dd7380a8949be0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- 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:1812

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
78KB

MD5
1c873bb3c760322da9dbacb7b1bdc976

SHA1
9a4754d678eef7812da69b60db268186cb64e894

SHA256
7225ca7ab64b8f557cc7645b2e69309da05891ff430d0d37f45dbf8aef8bcdc1

SHA512
a485c33ae338832144ab9b5d89cccd54239a1cb2bc468aee93c10ab1b22098fff638390f5b45ba2813fa84e11caa7144a1bb79da467b5ad7e9e22484ab3befb4

Download Submit
memory/1812-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3032-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3032-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads