6a2adf37171733bc65e369b17db18c0ae7e2220032421c7bf3c5d72316b94fe9

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 21:17

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General

Target

4e6dc2fa38c29a57efba970606175700N.exe
Size

76KB
MD5

4e6dc2fa38c29a57efba970606175700
SHA1

8c18725a98eb92de6805ecc5ce04908fd386bdb4
SHA256

6a2adf37171733bc65e369b17db18c0ae7e2220032421c7bf3c5d72316b94fe9
SHA512

475d07acd21be5e290f9913fb0a5723055f3c2f7abaf1de85c82f43363a0332fa9c2f97a55f2a2008e080fc716756ad5ea92ba20316af3b0127622ce2e9a316b
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN43vBKMvWPqH5kYhpvEHchVvhESN:xAo1lOwvlNlXBvsI7hrhEh9cpDN43vBl

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3116	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3116	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4e6dc2fa38c29a57efba970606175700N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4e6dc2fa38c29a57efba970606175700N.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	4e6dc2fa38c29a57efba970606175700N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 3116	4744	4e6dc2fa38c29a57efba970606175700N.exe	84
PID 4744 wrote to memory of 3116	4744	4e6dc2fa38c29a57efba970606175700N.exe	84
PID 4744 wrote to memory of 3116	4744	4e6dc2fa38c29a57efba970606175700N.exe	84

C:\Users\Admin\AppData\Local\Temp\4e6dc2fa38c29a57efba970606175700N.exe
"C:\Users\Admin\AppData\Local\Temp\4e6dc2fa38c29a57efba970606175700N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744
- 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:3116

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
76KB

MD5
3ab338b8b8c71358e333dccf7af1efc6

SHA1
20bc04316815b7a242db12b3091aa903331504a1

SHA256
426ad0304cf568a54aff659457dd3e50c959c7f88a30d6728c309732efc8687c

SHA512
d3bd87c6bdad29b13f215ba20f52152fdce1817e53e7cceabdef0a88fc971e41492f76f3ebb06c840418f3392f5f030c794e5b8d2d4aa3c48509c72da4e0ac4c

Download Submit
memory/3116-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4744-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4744-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads