Malware Analysis Report

2025-04-03 19:52

Sample ID 241109-xassyszdnj
Target 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN
SHA256 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793b
Tags
upx 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

97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793b

Threat Level: Shows suspicious behavior

The file 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx defense_evasion discovery persistence

Checks computer location settings

Executes dropped EXE

Deletes itself

Loads dropped DLL

Adds Run key to start application

Indicator Removal: File Deletion

UPX packed file

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 18:39

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 18:39

Reported

2024-11-09 18:41

Platform

win7-20241010-en

Max time kernel

118s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.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\AhnLab\AhnSvc.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run" C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe N/A

Indicator Removal: File Deletion

defense_evasion

UPX packed file

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

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\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\AhnLab\AhnSvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe

"C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe"

C:\ProgramData\AhnLab\AhnSvc.exe

"C:\ProgramData\AhnLab\AhnSvc.exe" /run

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe" >> NUL

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp

Files

memory/2108-0-0x00000000009D0000-0x00000000009F7000-memory.dmp

C:\ProgramData\AhnLab\AhnSvc.exe

MD5 0d659529a5289d145757602f8c9471e6
SHA1 24a1914c3732267d0a77961c61a7014d012d95cb
SHA256 7338640dc8586f56bc79b94b08817a135eb86b49263e5fb4d25d7181ed2e68a4
SHA512 3b27cbbf500657054b6ff29defbad5fab3f39ffb82faf51037ac56307203754093064a0034761132a40ad23b31afe4299d7c88e3af425d20f9d7f3c85e4b881b

memory/2108-9-0x0000000000280000-0x00000000002A7000-memory.dmp

memory/2108-8-0x0000000000280000-0x00000000002A7000-memory.dmp

memory/2932-11-0x0000000000100000-0x0000000000127000-memory.dmp

memory/2108-15-0x00000000009D0000-0x00000000009F7000-memory.dmp

memory/2108-16-0x0000000000280000-0x00000000002A7000-memory.dmp

memory/2108-17-0x0000000000280000-0x00000000002A7000-memory.dmp

memory/2932-19-0x0000000000100000-0x0000000000127000-memory.dmp

memory/2932-21-0x0000000000100000-0x0000000000127000-memory.dmp

memory/2108-25-0x00000000009D0000-0x00000000009F7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 18:39

Reported

2024-11-09 18:41

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run" C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe N/A

Indicator Removal: File Deletion

defense_evasion

UPX packed file

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

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\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\AhnLab\AhnSvc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\AhnLab\AhnSvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe

"C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe"

C:\ProgramData\AhnLab\AhnSvc.exe

"C:\ProgramData\AhnLab\AhnSvc.exe" /run

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe" >> NUL

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp

Files

memory/4852-0-0x0000000000850000-0x0000000000877000-memory.dmp

memory/732-4-0x0000000000DD0000-0x0000000000DF7000-memory.dmp

C:\ProgramData\AhnLab\AhnSvc.exe

MD5 62aedd9a8cae626529f7b0d3293dcaff
SHA1 ec8fc1ddef2d694e226cd95a8d9ea0e658b65987
SHA256 7226d2dc2484f51522edfe9746c876fbfdbf3e97428efabefd0eac6e74c06bb0
SHA512 f032ae026932414037e1e4ebcd1c83f0310b2f6843ba7a8eb892fe0cdf8cff3619eadebfaa630f9df283642bec18ddb82c7598e504ab03671cefaec582c4fe6d

memory/4852-8-0x0000000000850000-0x0000000000877000-memory.dmp

memory/732-9-0x0000000000DD0000-0x0000000000DF7000-memory.dmp

memory/732-10-0x0000000000DD0000-0x0000000000DF7000-memory.dmp