261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 16:01

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General

Target

261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.exe
Size

49KB
MD5

8863ad2c8267f87e55f01702aa0a4ad8
SHA1

6a5016026ca581edb5229e843906ec7b08ae029a
SHA256

261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812
SHA512

dccc299702c26b2b572aa7544fc90570b21fb5edec77096dd2e84af16e18add1876238d8e7337cce749e26dff310fcc3b498607e6f975d75e6b2c144d9d0ee64
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIE:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV2

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1796	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1796	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.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	261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 1796	4788	261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.exe	83
PID 4788 wrote to memory of 1796	4788	261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.exe	83
PID 4788 wrote to memory of 1796	4788	261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.exe	83

C:\Users\Admin\AppData\Local\Temp\261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.exe
"C:\Users\Admin\AppData\Local\Temp\261a75284d62f5410a6f96a6559bb5f4515f32e45cd7c35d328f685ac7eaf812.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1796

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
49KB

MD5
c10ee064c0cf44e3d774b25442c32468

SHA1
9c396e898e578f44524a5bd0ee9b57870adfc722

SHA256
d64695b4e711ef019a940db6d031351995bffd29f301ffda92865ebce7306a4f

SHA512
ec18c14d2938da3101442382ad9e0a604d43fafd701028f8cc7433ff495c42e1e0feed326c672c33ee9edf7142834b21e584ae106e2131b640b196ad8703f03e

Download Submit
memory/1796-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1796-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4788-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4788-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads