Malware Analysis Report

2025-08-10 19:20

Sample ID 220616-lpr97adchl
Target 2d2f2c6fd2af3096a9cf037918c4935b
SHA256 879bc18d3bdfc6b6f68bcfe08aa57b896977d2bcd476aaa5e60a585127c6fb4a
Tags
xloader k59h loader rat suricata
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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
10/10

SHA256

879bc18d3bdfc6b6f68bcfe08aa57b896977d2bcd476aaa5e60a585127c6fb4a

Threat Level: Known bad

The file 2d2f2c6fd2af3096a9cf037918c4935b was found to be: Known bad.

Malicious Activity Summary

xloader k59h loader rat suricata

Xloader

suricata: ET MALWARE FormBook CnC Checkin (GET)

Xloader Payload

Checks computer location settings

Deletes itself

Suspicious use of SetThreadContext

N/A.

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-16 09:42

Signatures

N/A.

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-16 09:42

Reported

2022-06-16 09:47

Platform

win7-20220414-en

Max time kernel

149s

Max time network

152s

Command Line

C:\Windows\Explorer.EXE

Signatures

Xloader

loader xloader

suricata: ET MALWARE FormBook CnC Checkin (GET)

suricata

Xloader Payload

rat
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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\PI.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 548 set thread context of 2016 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 2016 set thread context of 1380 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Windows\Explorer.EXE
PID 1896 set thread context of 1380 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 548 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 548 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 548 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 548 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 548 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 548 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 548 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 1380 wrote to memory of 1896 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\explorer.exe
PID 1380 wrote to memory of 1896 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\explorer.exe
PID 1380 wrote to memory of 1896 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\explorer.exe
PID 1380 wrote to memory of 1896 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\explorer.exe
PID 1896 wrote to memory of 576 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\cmd.exe
PID 1896 wrote to memory of 576 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\cmd.exe
PID 1896 wrote to memory of 576 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\cmd.exe
PID 1896 wrote to memory of 576 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

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

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

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

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

C:\Windows\SysWOW64\explorer.exe

"C:\Windows\SysWOW64\explorer.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\PI.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.yuejiu.xyz udp
CN 81.69.198.217:80 www.yuejiu.xyz tcp
US 8.8.8.8:53 www.cukupmudah.com udp
US 198.54.117.218:80 www.cukupmudah.com tcp

Files

memory/548-54-0x00000000000F0000-0x00000000001A4000-memory.dmp

memory/548-55-0x0000000075D21000-0x0000000075D23000-memory.dmp

memory/548-56-0x00000000004C0000-0x00000000004CA000-memory.dmp

memory/548-57-0x0000000005840000-0x00000000058E2000-memory.dmp

memory/548-58-0x00000000058E0000-0x000000000594C000-memory.dmp

memory/2016-59-0x0000000000400000-0x000000000042C000-memory.dmp

memory/2016-60-0x0000000000400000-0x000000000042C000-memory.dmp

memory/2016-62-0x0000000000400000-0x000000000042C000-memory.dmp

memory/2016-63-0x000000000041F650-mapping.dmp

memory/2016-65-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

memory/2016-66-0x0000000000240000-0x0000000000251000-memory.dmp

memory/1380-67-0x0000000006E40000-0x0000000006FDF000-memory.dmp

memory/1896-68-0x0000000000000000-mapping.dmp

memory/2016-69-0x0000000000400000-0x000000000042C000-memory.dmp

memory/1896-71-0x0000000075131000-0x0000000075133000-memory.dmp

memory/576-72-0x0000000000000000-mapping.dmp

memory/1896-73-0x0000000000410000-0x0000000000691000-memory.dmp

memory/1896-74-0x00000000000D0000-0x00000000000FC000-memory.dmp

memory/1896-75-0x00000000022B0000-0x00000000025B3000-memory.dmp

memory/1896-76-0x00000000021D0000-0x0000000002260000-memory.dmp

memory/1380-77-0x0000000006FE0000-0x0000000007143000-memory.dmp

memory/1896-78-0x00000000000D0000-0x00000000000FC000-memory.dmp

memory/1380-79-0x0000000006FE0000-0x0000000007143000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-16 09:42

Reported

2022-06-16 09:48

Platform

win10v2004-20220414-en

Max time kernel

186s

Max time network

190s

Command Line

C:\Windows\Explorer.EXE

Signatures

Xloader

loader xloader

suricata: ET MALWARE FormBook CnC Checkin (GET)

suricata

Xloader Payload

rat
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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\PI.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4376 set thread context of 5064 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Users\Admin\AppData\Local\Temp\PI.exe
PID 5064 set thread context of 796 N/A C:\Users\Admin\AppData\Local\Temp\PI.exe C:\Windows\Explorer.EXE
PID 3484 set thread context of 796 N/A C:\Windows\SysWOW64\colorcpl.exe C:\Windows\Explorer.EXE

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A
N/A N/A C:\Windows\SysWOW64\colorcpl.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\PI.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\colorcpl.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

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

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

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

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

C:\Windows\SysWOW64\colorcpl.exe

"C:\Windows\SysWOW64\colorcpl.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\PI.exe"

Network

Country Destination Domain Proto
NL 87.248.202.1:80 tcp
US 20.42.73.26:443 tcp
GB 92.123.143.240:80 tcp
GB 92.123.143.240:80 tcp
GB 92.123.143.240:80 tcp
NL 8.248.7.254:80 tcp
US 8.8.8.8:53 15.89.54.20.in-addr.arpa udp
NL 104.110.191.140:80 tcp
US 8.8.8.8:53 2.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp
US 8.8.8.8:53 www.ctoblog.com udp
US 3.18.7.81:80 www.ctoblog.com tcp
US 8.8.8.8:53 www.ctoblog.com udp
US 52.86.6.113:80 www.ctoblog.com tcp
US 8.8.8.8:53 www.hugedomains.com udp
US 172.67.70.191:443 www.hugedomains.com tcp
US 8.8.8.8:53 www.mariorovera.com udp
DE 217.160.0.114:80 www.mariorovera.com tcp
US 8.8.8.8:53 www.mariorovera.com udp
US 8.8.8.8:53 www.gamevuivai.com udp
US 192.200.218.245:80 www.gamevuivai.com tcp

Files

memory/4376-130-0x00000000006D0000-0x0000000000784000-memory.dmp

memory/4376-131-0x00000000056C0000-0x0000000005C64000-memory.dmp

memory/4376-132-0x00000000051B0000-0x0000000005242000-memory.dmp

memory/4376-133-0x0000000005300000-0x00000000053AA000-memory.dmp

memory/4376-134-0x00000000052C0000-0x00000000052CA000-memory.dmp

memory/4376-135-0x0000000008090000-0x000000000812C000-memory.dmp

memory/5064-136-0x0000000000000000-mapping.dmp

memory/5064-137-0x0000000000400000-0x000000000042C000-memory.dmp

memory/5064-139-0x00000000010B0000-0x00000000013FA000-memory.dmp

memory/796-141-0x0000000002CB0000-0x0000000002E0C000-memory.dmp

memory/5064-140-0x0000000001420000-0x0000000001431000-memory.dmp

memory/3484-142-0x0000000000000000-mapping.dmp

memory/5064-143-0x0000000000400000-0x000000000042C000-memory.dmp

memory/3484-144-0x0000000000050000-0x0000000000069000-memory.dmp

memory/3484-145-0x0000000000840000-0x000000000086C000-memory.dmp

memory/3484-146-0x0000000002800000-0x0000000002B4A000-memory.dmp

memory/224-147-0x0000000000000000-mapping.dmp

memory/796-148-0x0000000002CB0000-0x0000000002E0C000-memory.dmp

memory/3484-149-0x0000000002620000-0x00000000026B0000-memory.dmp

memory/796-150-0x0000000008970000-0x0000000008AC8000-memory.dmp

memory/3484-151-0x0000000000840000-0x000000000086C000-memory.dmp

memory/796-152-0x0000000008970000-0x0000000008AC8000-memory.dmp