Malware Analysis Report

2024-12-07 16:18

Sample ID 241113-y2bt7asjaq
Target 1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2
SHA256 1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2
Tags
defense_evasion discovery persistence upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2

Threat Level: Shows suspicious behavior

The file 1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2 was found to be: Shows suspicious behavior.

Malicious Activity Summary

defense_evasion discovery persistence upx

Executes dropped EXE

Checks computer location settings

Deletes itself

Loads dropped DLL

Adds Run key to start application

Indicator Removal: File Deletion

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 20:16

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: behavioral2

Detonation Overview

Submitted

2024-11-13 20:16

Reported

2024-11-13 20:18

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\AhnLab\AhnSvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.exe

"C:\Users\Admin\AppData\Local\Temp\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.exe" >> NUL

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 102.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 www.icoway.net udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 www.kimc10scom udp
US 8.8.8.8:53 www.icoway.net udp
US 8.8.8.8:53 241.42.69.40.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 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 11.227.111.52.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 68.144.22.2.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 www.icoway.net udp
US 8.8.8.8:53 www.kimc10scom udp

Files

memory/1552-0-0x0000000000020000-0x0000000000047000-memory.dmp

C:\ProgramData\AhnLab\AhnSvc.exe

MD5 e963165bff4a0d7fe488eeecc0e57d88
SHA1 7faa55cf19d87a6a5631d251e69b65206ae5d040
SHA256 3be7b9b3ab78e098cd53c719a7ed18e9ebeafea357a31e3c6eb6071a5a74baff
SHA512 8a3f44fb37b43cd3ed345500642ce98987bf10c5fa7bc4f9d3a36e3e5b94b2b8806dbe46d37a0d9618b88729c659047461be18956f3fb4b087e5c21556f6cc30

memory/1856-4-0x0000000000120000-0x0000000000147000-memory.dmp

memory/1552-9-0x0000000000020000-0x0000000000047000-memory.dmp

memory/1856-10-0x0000000000120000-0x0000000000147000-memory.dmp

memory/1856-11-0x0000000000120000-0x0000000000147000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 20:16

Reported

2024-11-13 20:18

Platform

win7-20241010-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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

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\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\AhnLab\AhnSvc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.exe

"C:\Users\Admin\AppData\Local\Temp\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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\1cfe66ae9e2bd6540204d0ed43cd469f5b148c895c3c7e9b941b46e8c20850d2.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/2724-0-0x0000000000D50000-0x0000000000D77000-memory.dmp

C:\ProgramData\AhnLab\AhnSvc.exe

MD5 cb81023f9b6185a6e794a280ffa3c553
SHA1 6397580d7477bc8f0907cc8bdfc0f288bcd688d0
SHA256 7fcc9e0f72da67ce8bbd8f13fe86de7e648bcce756952ef531c0e027b4cffe62
SHA512 6e1903b8994b2115ed9651449cd32d78bc6e85af6447156b3dc8d9c13cca90c790b322901f32a29f62a97f14bb19579d6685cd3826c4df1fac78a4161b751500

memory/2384-10-0x00000000002D0000-0x00000000002F7000-memory.dmp

memory/2724-9-0x0000000000260000-0x0000000000287000-memory.dmp

memory/2724-11-0x0000000000D50000-0x0000000000D77000-memory.dmp

memory/2384-12-0x00000000002D0000-0x00000000002F7000-memory.dmp

memory/2384-16-0x00000000002D0000-0x00000000002F7000-memory.dmp

memory/2724-20-0x0000000000D50000-0x0000000000D77000-memory.dmp