9d490d3986408a2e91b41edb007f7e11c15e58448f9534f0bd54d734db18ef5f

Analysis

max time kernel
119s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2024 00:52

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General

Target

2c990eed53994022f30ee9889a9b32a0N.exe
Size

40KB
MD5

2c990eed53994022f30ee9889a9b32a0
SHA1

a1aa34fc4c3bf77ebfd5b88bc613c4ac0340d0df
SHA256

9d490d3986408a2e91b41edb007f7e11c15e58448f9534f0bd54d734db18ef5f
SHA512

a449d2457cf3fcc792f7f7699cc639b70d2cecf9ec36ad39e5900290b52bd26f9c1c0b952acfa95b2f68ae1093776c52ab0ae19926f3a99d587ae8800e5b4432
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhr:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYy

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4068	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4068	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-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2c990eed53994022f30ee9889a9b32a0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2c990eed53994022f30ee9889a9b32a0N.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	2c990eed53994022f30ee9889a9b32a0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 4068	892	2c990eed53994022f30ee9889a9b32a0N.exe	84
PID 892 wrote to memory of 4068	892	2c990eed53994022f30ee9889a9b32a0N.exe	84
PID 892 wrote to memory of 4068	892	2c990eed53994022f30ee9889a9b32a0N.exe	84

C:\Users\Admin\AppData\Local\Temp\2c990eed53994022f30ee9889a9b32a0N.exe
"C:\Users\Admin\AppData\Local\Temp\2c990eed53994022f30ee9889a9b32a0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4068

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
40KB

MD5
78cc7d546179c6fa12ba71905e7bf20f

SHA1
040271bb21bd9049522ba70ffd2bb0ccd1dc8a4f

SHA256
e9d97d2f8dbfbf1049a033a5c348ce67d72e1210cb202ee8d6cb6a7c4a642738

SHA512
6ffec3d5ba211903984372f4e2b264275859920d29dbd74caa038d40670777c091e7b1409341f1c1d4c54b9dadef99c6a034ac695cc5e17375893b2f432b6dbd

Download Submit
memory/892-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/892-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4068-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads