Malware Analysis Report

2024-12-07 17:05

Sample ID 241113-e17exsvphz
Target f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18
SHA256 f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18
Tags
defense_evasion 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

f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18

Threat Level: Shows suspicious behavior

The file f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18 was found to be: Shows suspicious behavior.

Malicious Activity Summary

defense_evasion discovery persistence

Deletes itself

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Indicator Removal: File Deletion

Adds Run key to start application

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 04:25

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 04:25

Reported

2024-11-13 04:28

Platform

win7-20241023-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Initech\Initech.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Initech\\Initech.exe\" /run" C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe N/A

Indicator Removal: File Deletion

defense_evasion

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\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Initech\Initech.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe

"C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe"

C:\ProgramData\Initech\Initech.exe

"C:\ProgramData\Initech\Initech.exe" /run

C:\windows\SysWOW64\cmd.exe

"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe" >> NUL

Network

Country Destination Domain Proto
KR 165.194.123.67:8008 tcp
KR 165.194.123.67:8008 tcp

Files

C:\ProgramData\Initech\Initech.exe

MD5 14b4fb97411e0a5f7ac037031201fe82
SHA1 4d6d23d7971aa2998b779352782e716482f46dd7
SHA256 c1dc69d2d9d864b96260b40d68ad5df4b30e69d810ff0512c68db07231f3ea44
SHA512 f2ee949a5098aef4644f5f401f9298144e3151d7fc18025fa3d03ac274d36fdeb5b0fcc3963bb13e9a04be3b38c64582242ac99fe73928a31bee4af869994dbe

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 04:25

Reported

2024-11-13 04:28

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Initech\Initech.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Initech\\Initech.exe\" /run" C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe N/A

Indicator Removal: File Deletion

defense_evasion

Enumerates physical storage devices

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\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Initech\Initech.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe

"C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe"

C:\ProgramData\Initech\Initech.exe

"C:\ProgramData\Initech\Initech.exe" /run

C:\windows\SysWOW64\cmd.exe

"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\f9e8398ef93bdb3a1d9c2a7a413f55290cc4df999be2b82314c0133bcc75ca18.exe" >> NUL

Network

Country Destination Domain Proto
KR 165.194.123.67:8008 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.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 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
KR 165.194.123.67:8008 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
SE 192.229.221.95:80 tcp

Files

C:\ProgramData\Initech\Initech.exe

MD5 50f28c1b9062eaa70ef705db5033e5e7
SHA1 8f8530f16115886b0f8a351980eeb956243b1987
SHA256 90845369ee22bb80011ae63ef786b2420d1d607a0223c11d4b6441c51734b66b
SHA512 7152f0f76120a483af43a3b4e674439069b3fe2860eddb71f0c69c024b70406981277f8a925e22d909ccc3fa1eec89a67f53ef5c397b76527cc72e7f5fe4d2b1