Malware Analysis Report

2024-12-07 14:24

Sample ID 241121-yl145swkev
Target f3d5913219cd0b70ad97893a0d582189b5b23324b1b66a7646f328bc4d0c2da3
SHA256 f3d5913219cd0b70ad97893a0d582189b5b23324b1b66a7646f328bc4d0c2da3
Tags
xloader f6fw discovery loader rat
score
10/10

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
10/10

SHA256

f3d5913219cd0b70ad97893a0d582189b5b23324b1b66a7646f328bc4d0c2da3

Threat Level: Known bad

The file f3d5913219cd0b70ad97893a0d582189b5b23324b1b66a7646f328bc4d0c2da3 was found to be: Known bad.

Malicious Activity Summary

xloader f6fw discovery loader rat

Xloader

Xloader family

Xloader payload

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 19:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 19:53

Reported

2024-11-21 19:55

Platform

win7-20240903-en

Max time kernel

131s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe"

Signatures

Xloader

loader xloader

Xloader family

xloader

Xloader payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2176 set thread context of 2940 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe

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\DHL_SHIPMENT_REF#290421_73663_pdf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2176 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe
PID 2176 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe

Processes

C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe"

C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe"

C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe"

Network

N/A

Files

memory/2176-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

memory/2176-1-0x0000000001000000-0x00000000010A8000-memory.dmp

memory/2176-2-0x00000000747C0000-0x0000000074EAE000-memory.dmp

memory/2176-3-0x00000000005B0000-0x00000000005C4000-memory.dmp

memory/2176-4-0x00000000747CE000-0x00000000747CF000-memory.dmp

memory/2176-5-0x00000000747C0000-0x0000000074EAE000-memory.dmp

memory/2176-6-0x0000000004BD0000-0x0000000004C4A000-memory.dmp

memory/2176-7-0x0000000000AE0000-0x0000000000B16000-memory.dmp

memory/2940-8-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2940-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2940-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2940-9-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2176-13-0x00000000747C0000-0x0000000074EAE000-memory.dmp

memory/2940-14-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 19:53

Reported

2024-11-21 19:55

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe"

Signatures

Xloader

loader xloader

Xloader family

xloader

Xloader payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2428 set thread context of 3604 N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe

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\DHL_SHIPMENT_REF#290421_73663_pdf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe"

C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_SHIPMENT_REF#290421_73663_pdf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/2428-0-0x000000007484E000-0x000000007484F000-memory.dmp

memory/2428-1-0x0000000000F60000-0x0000000001008000-memory.dmp

memory/2428-2-0x0000000005A30000-0x0000000005ACC000-memory.dmp

memory/2428-3-0x0000000006100000-0x00000000066A4000-memory.dmp

memory/2428-4-0x0000000005B50000-0x0000000005BE2000-memory.dmp

memory/2428-5-0x00000000059F0000-0x00000000059FA000-memory.dmp

memory/2428-6-0x0000000005CE0000-0x0000000005D36000-memory.dmp

memory/2428-7-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/2428-8-0x0000000008AB0000-0x0000000008AC4000-memory.dmp

memory/2428-9-0x000000007484E000-0x000000007484F000-memory.dmp

memory/2428-10-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/2428-11-0x00000000018A0000-0x000000000191A000-memory.dmp

memory/2428-12-0x0000000001A20000-0x0000000001A56000-memory.dmp

memory/3604-13-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2428-15-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/3604-16-0x0000000001A60000-0x0000000001DAA000-memory.dmp