4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7

Analysis

max time kernel
149s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 21:24

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General

Target

4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.exe
Size

37KB
MD5

971b36181fcc205f7fbfc88530359490
SHA1

a68e1c63f0e1080d44606d6a92c3986299a6238d
SHA256

4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7
SHA512

f837b37cc250fa54a60b2e32820cb162b4d3f25863f50148850d8b188052c99d05ee49f423861b6f5a02b9cea8da3455002c6f7b0289def2a644d6b6a53cbee0
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhh:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYB

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2992	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2992	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-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.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	4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 2992	4548	4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.exe	83
PID 4548 wrote to memory of 2992	4548	4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.exe	83
PID 4548 wrote to memory of 2992	4548	4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.exe	83

C:\Users\Admin\AppData\Local\Temp\4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.exe
"C:\Users\Admin\AppData\Local\Temp\4f25f44ba3a9bb03bfa84cdfa0b9c0b0e2674cc7502be69917476b84fa50b6c7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4548
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2992

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
38KB

MD5
4253ba9fb9701b2f759d1e079a12fd20

SHA1
4a0fb316c449dbef1f03d4c35e5927cea8ce947a

SHA256
45d4910bc8c0ae21d27495aaec0b5804368a8b9d4c877f96097981a9aac126d8

SHA512
14feb4051028bb4af28de336dac1c95827ddb9049181f2e335ce05e8a9523632a328d2bf8b9bf70a39a9cccced0508add8e199a809556704c65a95b90dbc8304

Download Submit
memory/2992-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4548-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4548-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads