Malware Analysis Report

2025-08-10 19:22

Sample ID 220616-lnnwdafha3
Target b69133e9895e2ec312aa64f0d3b5ad28
SHA256 fb0475b48fbbbe8003c390826daf385ea04e46b0786e47458cee3c9e104d45ec
Tags
xloader ah8e 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

fb0475b48fbbbe8003c390826daf385ea04e46b0786e47458cee3c9e104d45ec

Threat Level: Known bad

The file b69133e9895e2ec312aa64f0d3b5ad28 was found to be: Known bad.

Malicious Activity Summary

xloader ah8e loader rat suricata

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

Xloader

Xloader Payload

Downloads MZ/PE file

Executes dropped EXE

Blocklisted process makes network request

Loads dropped DLL

Suspicious use of SetThreadContext

Drops file in System32 directory

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Launches Equation Editor

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Creates scheduled task(s)

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-16 09:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-16 09:40

Reported

2022-06-16 09:47

Platform

win7-20220414-en

Max time kernel

154s

Max time network

137s

Command Line

C:\Windows\Explorer.EXE

Signatures

Xloader

loader xloader

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

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

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Public\name.exe N/A
N/A N/A C:\Users\Public\name.exe N/A

Loads dropped DLL

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1336 set thread context of 1648 N/A C:\Users\Public\name.exe C:\Users\Public\name.exe
PID 1648 set thread context of 1260 N/A C:\Users\Public\name.exe C:\Windows\Explorer.EXE
PID 1764 set thread context of 1260 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\Explorer.EXE

Enumerates physical storage devices

Creates scheduled task(s)

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

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Launches Equation Editor

exploit
Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Public\name.exe N/A
N/A N/A C:\Users\Public\name.exe N/A
N/A N/A C:\Users\Public\name.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Public\name.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Public\name.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2032 wrote to memory of 884 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Windows\SysWOW64\cmd.exe
PID 2032 wrote to memory of 884 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Windows\SysWOW64\cmd.exe
PID 2032 wrote to memory of 884 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Windows\SysWOW64\cmd.exe
PID 2032 wrote to memory of 884 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Windows\SysWOW64\cmd.exe
PID 884 wrote to memory of 1336 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Public\name.exe
PID 884 wrote to memory of 1336 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Public\name.exe
PID 884 wrote to memory of 1336 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Public\name.exe
PID 884 wrote to memory of 1336 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Public\name.exe
PID 1336 wrote to memory of 1080 N/A C:\Users\Public\name.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1336 wrote to memory of 1080 N/A C:\Users\Public\name.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1336 wrote to memory of 1080 N/A C:\Users\Public\name.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1336 wrote to memory of 1080 N/A C:\Users\Public\name.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1336 wrote to memory of 1536 N/A C:\Users\Public\name.exe C:\Windows\SysWOW64\schtasks.exe
PID 1336 wrote to memory of 1536 N/A C:\Users\Public\name.exe C:\Windows\SysWOW64\schtasks.exe
PID 1336 wrote to memory of 1536 N/A C:\Users\Public\name.exe C:\Windows\SysWOW64\schtasks.exe
PID 1336 wrote to memory of 1536 N/A C:\Users\Public\name.exe C:\Windows\SysWOW64\schtasks.exe
PID 1336 wrote to memory of 1648 N/A C:\Users\Public\name.exe C:\Users\Public\name.exe
PID 1336 wrote to memory of 1648 N/A C:\Users\Public\name.exe C:\Users\Public\name.exe
PID 1336 wrote to memory of 1648 N/A C:\Users\Public\name.exe C:\Users\Public\name.exe
PID 1336 wrote to memory of 1648 N/A C:\Users\Public\name.exe C:\Users\Public\name.exe
PID 1336 wrote to memory of 1648 N/A C:\Users\Public\name.exe C:\Users\Public\name.exe
PID 1336 wrote to memory of 1648 N/A C:\Users\Public\name.exe C:\Users\Public\name.exe
PID 1336 wrote to memory of 1648 N/A C:\Users\Public\name.exe C:\Users\Public\name.exe
PID 1260 wrote to memory of 1764 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1260 wrote to memory of 1764 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1260 wrote to memory of 1764 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1260 wrote to memory of 1764 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1260 wrote to memory of 1764 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1260 wrote to memory of 1764 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1260 wrote to memory of 1764 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1764 wrote to memory of 1508 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\cmd.exe
PID 1764 wrote to memory of 1508 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\cmd.exe
PID 1764 wrote to memory of 1508 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\cmd.exe
PID 1764 wrote to memory of 1508 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\RFQ_ITEMS.xlsx

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE

"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c C:\Users\Public\name.exe

C:\Users\Public\name.exe

C:\Users\Public\name.exe

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qJIUnePPGvAB.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qJIUnePPGvAB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67C9.tmp"

C:\Users\Public\name.exe

"C:\Users\Public\name.exe"

C:\Windows\SysWOW64\autochk.exe

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

C:\Windows\SysWOW64\msiexec.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Public\name.exe"

Network

Country Destination Domain Proto
BG 5.181.80.176:80 5.181.80.176 tcp

Files

memory/732-54-0x000000002F271000-0x000000002F274000-memory.dmp

memory/732-55-0x00000000714B1000-0x00000000714B3000-memory.dmp

memory/732-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/732-57-0x000000007249D000-0x00000000724A8000-memory.dmp

memory/732-58-0x0000000075781000-0x0000000075783000-memory.dmp

memory/732-60-0x000000007249D000-0x00000000724A8000-memory.dmp

memory/884-61-0x0000000000000000-mapping.dmp

C:\Users\Public\name.exe

MD5 7889400a2f8d7e9aa23d8efd8c1b122a
SHA1 fd718571b73fe665839e622fc7bf6ea1c1e2d94a
SHA256 15f9a1d5e931226148aabe0d2cefd56af687e0bd19e3bba2e2694fede201673a
SHA512 cfb1f5999f37a62655fefb40cf0a0982ff69f94b0afd5be4af35973252c66183625b44638bc038fc3b59261a7c3ec2d535a785f1af5125cdb4fb4849a37597a4

C:\Users\Public\name.exe

MD5 7889400a2f8d7e9aa23d8efd8c1b122a
SHA1 fd718571b73fe665839e622fc7bf6ea1c1e2d94a
SHA256 15f9a1d5e931226148aabe0d2cefd56af687e0bd19e3bba2e2694fede201673a
SHA512 cfb1f5999f37a62655fefb40cf0a0982ff69f94b0afd5be4af35973252c66183625b44638bc038fc3b59261a7c3ec2d535a785f1af5125cdb4fb4849a37597a4

memory/1336-64-0x0000000000000000-mapping.dmp

\Users\Public\name.exe

MD5 7889400a2f8d7e9aa23d8efd8c1b122a
SHA1 fd718571b73fe665839e622fc7bf6ea1c1e2d94a
SHA256 15f9a1d5e931226148aabe0d2cefd56af687e0bd19e3bba2e2694fede201673a
SHA512 cfb1f5999f37a62655fefb40cf0a0982ff69f94b0afd5be4af35973252c66183625b44638bc038fc3b59261a7c3ec2d535a785f1af5125cdb4fb4849a37597a4

memory/1336-66-0x0000000000160000-0x0000000000204000-memory.dmp

memory/732-68-0x00000000682A1000-0x00000000682A3000-memory.dmp

memory/1336-69-0x0000000000300000-0x000000000030C000-memory.dmp

memory/1336-70-0x0000000004EB0000-0x0000000004F1A000-memory.dmp

memory/1080-71-0x0000000000000000-mapping.dmp

memory/1536-72-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmp67C9.tmp

MD5 6d58c2ae39d4f0b4ac993ae6669123f1
SHA1 56de095bdc857e7a5e18653ef8bd04c05a4a0986
SHA256 028edba0a6f5136efa91f3b2268203a25544ea92ab182c693024a29d5a803b91
SHA512 f1d3b690c6e718f71ec816b26ed8464eb5954320f2aca53779b059593b9b59a37f9406374438b144397eca7811035c1e82f307c12cd2db0405cd1ad9c263ad9b

memory/732-75-0x0000000066ED1000-0x0000000066ED3000-memory.dmp

memory/1080-76-0x0000000066920000-0x0000000066ECB000-memory.dmp

memory/1336-77-0x0000000000760000-0x0000000000792000-memory.dmp

memory/1648-78-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1648-79-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Users\Public\name.exe

MD5 7889400a2f8d7e9aa23d8efd8c1b122a
SHA1 fd718571b73fe665839e622fc7bf6ea1c1e2d94a
SHA256 15f9a1d5e931226148aabe0d2cefd56af687e0bd19e3bba2e2694fede201673a
SHA512 cfb1f5999f37a62655fefb40cf0a0982ff69f94b0afd5be4af35973252c66183625b44638bc038fc3b59261a7c3ec2d535a785f1af5125cdb4fb4849a37597a4

memory/1648-82-0x000000000041F260-mapping.dmp

memory/1648-81-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1648-85-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1648-86-0x0000000000800000-0x0000000000B03000-memory.dmp

memory/1648-87-0x00000000003B0000-0x00000000003C1000-memory.dmp

memory/1260-88-0x0000000004B50000-0x0000000004CC2000-memory.dmp

memory/1080-89-0x0000000066920000-0x0000000066ECB000-memory.dmp

memory/1764-90-0x0000000000000000-mapping.dmp

memory/1764-92-0x00000000000B0000-0x00000000000C4000-memory.dmp

memory/1764-93-0x0000000000130000-0x000000000015B000-memory.dmp

memory/1764-95-0x0000000002210000-0x0000000002513000-memory.dmp

memory/1508-94-0x0000000000000000-mapping.dmp

memory/1764-96-0x0000000001F40000-0x0000000001FD0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-16 09:40

Reported

2022-06-16 09:47

Platform

win10v2004-20220414-en

Max time kernel

135s

Max time network

149s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\RFQ_ITEMS.xlsx"

Signatures

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\RFQ_ITEMS.xlsx"

Network

Country Destination Domain Proto
NL 8.238.24.126:80 tcp
NL 8.238.24.126:80 tcp
US 8.8.8.8:53 15.89.54.20.in-addr.arpa udp
US 8.8.8.8:53 176.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 0.e.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 8.253.135.112:80 tcp

Files

memory/2224-130-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

memory/2224-131-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

memory/2224-133-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

memory/2224-132-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

memory/2224-134-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

memory/2224-135-0x00007FF8CDFC0000-0x00007FF8CDFD0000-memory.dmp

memory/2224-136-0x00007FF8CDFC0000-0x00007FF8CDFD0000-memory.dmp

memory/2224-139-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

memory/2224-138-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

memory/2224-141-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp

memory/2224-140-0x00007FF8D0890000-0x00007FF8D08A0000-memory.dmp