Malware Analysis Report

2025-08-06 02:47

Sample ID 241031-dfznxaycpp
Target 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N
SHA256 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082
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

9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082

Threat Level: Shows suspicious behavior

The file 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx defense_evasion discovery persistence

Deletes itself

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Indicator Removal: File Deletion

UPX packed file

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 02:57

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 02:57

Reported

2024-10-31 03:00

Platform

win7-20240708-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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
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\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\AhnLab\AhnSvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe

"C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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/2204-0-0x0000000000D80000-0x0000000000DA7000-memory.dmp

\ProgramData\AhnLab\AhnSvc.exe

MD5 565b0411afe4ce0349d9d6d00032a44d
SHA1 da221c3c8867885a25dec26139cd1de82da2b3d7
SHA256 332357e293648ebaae17ee576cabb1811453b936d4c3b2d9c568ecb697abd710
SHA512 2c32987edde00c78174373c772c3ca78c622667d68d6fc1bdbf79242f420d79d0dfa62360afd95eae1e39a1e09f08df4f50a650f462454c56c445e1958855715

memory/2204-4-0x00000000000E0000-0x0000000000107000-memory.dmp

memory/316-10-0x00000000012B0000-0x00000000012D7000-memory.dmp

memory/2204-14-0x0000000000D80000-0x0000000000DA7000-memory.dmp

memory/316-16-0x00000000012B0000-0x00000000012D7000-memory.dmp

memory/316-18-0x00000000012B0000-0x00000000012D7000-memory.dmp

memory/2204-22-0x0000000000D80000-0x0000000000DA7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 02:57

Reported

2024-10-31 03:00

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\AhnLab\AhnSvc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\AhnLab\AhnSvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe

"C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe" >> NUL

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
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 www.icoway.net udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 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 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 69.190.18.2.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 www.icoway.net udp
US 8.8.8.8:53 55.36.223.20.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 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 19.229.111.52.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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
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

Files

memory/5008-0-0x0000000000260000-0x0000000000287000-memory.dmp

C:\ProgramData\AhnLab\AhnSvc.exe

MD5 8e2905b8823c58c7764c432e0f2c0a38
SHA1 70c64ac0458d3138a0d439ab800febd52397f96b
SHA256 4509fe0dc17855f5fcb0492b4c25060a3506e6912b3a44a79559d88ccfcc4ee2
SHA512 d047d17ad41cc687c4f658431632e37b522f44285ad2c6be848dee6b3cec257e69bb667f092b51e46e6c06889803ca4c6291462f96ed4e0743f03e47fc3beafb

memory/2536-4-0x0000000000840000-0x0000000000867000-memory.dmp

memory/5008-9-0x0000000000260000-0x0000000000287000-memory.dmp

memory/2536-10-0x0000000000840000-0x0000000000867000-memory.dmp

memory/2536-11-0x0000000000840000-0x0000000000867000-memory.dmp