Malware Analysis Report

2025-08-06 02:16

Sample ID 241112-q64rrssqbs
Target c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe
SHA256 1c5a1884ab0155a4cdede6719a40268f0304cdbf810e935c3e17ba0eb00087d4
Tags
discovery persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

1c5a1884ab0155a4cdede6719a40268f0304cdbf810e935c3e17ba0eb00087d4

Threat Level: Shows suspicious behavior

The file c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence

Deletes itself

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 13:53

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 13:53

Reported

2024-11-12 13:55

Platform

win7-20240903-en

Max time kernel

119s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe

"C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

N/A

Files

memory/1088-0-0x0000000000400000-0x0000000000403000-memory.dmp

memory/1088-6-0x0000000000400000-0x0000000000403000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 57614107f64fc86308dc0c3a1f529741
SHA1 a65e314f2b82c61455439b31f1c62d90bbe44de8
SHA256 2e151ebebec2d40c4887b36ed3b3fffc489e8eb3100ea5445423788ee08feb36
SHA512 dbbc86bd3a5eb2e2ca619db7c308a90846815620507644278659f0b6ade562077873e966404edf4cc3c3d8566bb1e40b7e44c27443b3413040706789ec52298d

memory/2724-9-0x0000000000400000-0x0000000000403000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 13:53

Reported

2024-11-12 13:55

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\microsofthelp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\microsofthelp.exe C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\microsofthelp.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe

"C:\Users\Admin\AppData\Local\Temp\c2ab1fc2692afbbd91806c4ad1181b8fca71e25b361c1942bcb40a476f3ec93fN.exe"

C:\Windows\microsofthelp.exe

"C:\Windows\microsofthelp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/2432-0-0x0000000000400000-0x0000000000403000-memory.dmp

memory/2432-5-0x0000000000400000-0x0000000000403000-memory.dmp

C:\Windows\microsofthelp.exe

MD5 57614107f64fc86308dc0c3a1f529741
SHA1 a65e314f2b82c61455439b31f1c62d90bbe44de8
SHA256 2e151ebebec2d40c4887b36ed3b3fffc489e8eb3100ea5445423788ee08feb36
SHA512 dbbc86bd3a5eb2e2ca619db7c308a90846815620507644278659f0b6ade562077873e966404edf4cc3c3d8566bb1e40b7e44c27443b3413040706789ec52298d

memory/2724-6-0x0000000000400000-0x0000000000403000-memory.dmp

memory/2724-7-0x0000000000400000-0x0000000000403000-memory.dmp