Malware Analysis Report

2025-08-05 11:48

Sample ID 241031-fjlybssjel
Target 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN
SHA256 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1e
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

9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1e

Threat Level: Shows suspicious behavior

The file 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx defense_evasion discovery persistence

Executes dropped EXE

Checks computer location settings

Deletes itself

Loads dropped DLL

Indicator Removal: File Deletion

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 04:54

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

2024-10-31 04:54

Reported

2024-10-31 04:56

Platform

win7-20240903-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\AhnLab\AhnSvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe

"C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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/1392-0-0x0000000000FC0000-0x0000000000FE7000-memory.dmp

\ProgramData\AhnLab\AhnSvc.exe

MD5 d9615edf9e93a4ad2204ba24349f633e
SHA1 05ecc75b6c9664950d9140fbc815fc9619477de6
SHA256 da0e491bb35b9e1908c6a4df7e76ef1cde139cf3460616fb628cba05f32334ca
SHA512 7c920e05e6d1693e9186ed004f68c5bc34d48b89062dc042997c47fcb7732e9a24cbce8b89b534e239d9693e8c1b61474b8cb896c9248fc0bde3895b9f4b9a42

memory/2184-11-0x0000000000A70000-0x0000000000A97000-memory.dmp

memory/1392-10-0x0000000000140000-0x0000000000167000-memory.dmp

memory/1392-9-0x0000000000140000-0x0000000000167000-memory.dmp

memory/1392-12-0x0000000000FC0000-0x0000000000FE7000-memory.dmp

memory/1392-13-0x0000000000140000-0x0000000000167000-memory.dmp

memory/2184-14-0x0000000000A70000-0x0000000000A97000-memory.dmp

memory/2184-18-0x0000000000A70000-0x0000000000A97000-memory.dmp

memory/1392-22-0x0000000000FC0000-0x0000000000FE7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 04:54

Reported

2024-10-31 04:56

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\AhnLab\AhnSvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe

"C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.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\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe" >> NUL

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
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 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 232.168.11.51.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 www.kimc10scom udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa 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
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 74.209.201.84.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 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 11.227.111.52.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 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.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

Files

memory/2388-0-0x00000000004C0000-0x00000000004E7000-memory.dmp

C:\ProgramData\AhnLab\AhnSvc.exe

MD5 2e180b445385f6d952051fdebb58cdce
SHA1 ea1e91ea7095f85415164a750c841bfbe47fab89
SHA256 aeacfe9d676e0303ba3cc3cb790d4e005a4b19953257f1e573298f2791ab8210
SHA512 4190e45c1bbf5e06aad805291788b37eb919b2307676fba4f7ab5d7309df19bff1cf2669ba12b92f496191f8762806cb98af15cc0263ed24afbc72f3c165a545

memory/3684-4-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

memory/2388-8-0x00000000004C0000-0x00000000004E7000-memory.dmp

memory/3684-9-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

memory/3684-10-0x0000000000CC0000-0x0000000000CE7000-memory.dmp