Malware Analysis Report

2025-08-11 07:35

Sample ID 241015-2cmf6szhjc
Target c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb
SHA256 c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb
Tags
upx bootkit discovery persistence spyware stealer
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

c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb

Threat Level: Shows suspicious behavior

The file c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx bootkit discovery persistence spyware stealer

Reads user/profile data of web browsers

Writes to the Master Boot Record (MBR)

UPX packed file

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Checks SCSI registry key(s)

Suspicious use of AdjustPrivilegeToken

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 22:26

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 22:26

Reported

2024-10-15 22:28

Platform

win7-20240903-en

Max time kernel

142s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A

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

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\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe

"C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 w.nanweng.cn udp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
US 8.8.8.8:53 www.msn.com udp
US 204.79.197.203:443 www.msn.com tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
US 8.8.8.8:53 w.nanweng.cn udp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp

Files

memory/2136-0-0x0000000000400000-0x00000000005AC000-memory.dmp

memory/2136-3-0x0000000002E20000-0x0000000002E2A000-memory.dmp

memory/2136-2-0x0000000002E20000-0x0000000002E2A000-memory.dmp

memory/2136-4-0x000000006D450000-0x000000006D460000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab82A9.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar82BC.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2136-174-0x0000000000400000-0x00000000005AC000-memory.dmp

memory/2136-175-0x0000000002E20000-0x0000000002E2A000-memory.dmp

memory/2136-184-0x0000000000400000-0x00000000005AC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 22:26

Reported

2024-10-15 22:28

Platform

win10v2004-20241007-en

Max time kernel

116s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A

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

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\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DOMStorage\msn.com C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\msn.com C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\msn.com\NumberOfSubdomains = "1" C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe

"C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 w.nanweng.cn udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
US 8.8.8.8:53 www.msn.com udp
US 204.79.197.203:443 www.msn.com tcp
US 8.8.8.8:53 246.197.219.23.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 assets.msn.com udp
US 150.171.28.10:443 g.bing.com tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
GB 2.19.161.63:443 assets.msn.com tcp
GB 2.19.161.63:443 assets.msn.com tcp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 63.161.19.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
US 8.8.8.8:53 data.goosai.com udp
CN 47.103.45.17:80 w.nanweng.cn tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
CN 47.103.45.17:80 w.nanweng.cn tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa 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

Files

memory/2720-0-0x0000000000400000-0x00000000005AC000-memory.dmp

memory/2720-2-0x000000006F2E0000-0x000000006F2F0000-memory.dmp

memory/2720-21-0x0000000000400000-0x00000000005AC000-memory.dmp

memory/2720-24-0x0000000000400000-0x00000000005AC000-memory.dmp