Malware Analysis Report

2024-10-19 02:22

Sample ID 240403-eb3qfafb3z
Target 9f4303d51b3ceffb74c5cc9c887fc05e_JaffaCakes118
SHA256 50604f47e8d7822aa29325e41546138db99c7002d776c510ac3bd620e75c801f
Tags
xloader gnui 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

50604f47e8d7822aa29325e41546138db99c7002d776c510ac3bd620e75c801f

Threat Level: Known bad

The file 9f4303d51b3ceffb74c5cc9c887fc05e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xloader gnui loader rat

Xloader

Xloader payload

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Gathers network information

Enumerates system info in registry

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-03 03:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 03:46

Reported

2024-04-03 03:49

Platform

win7-20240221-en

Max time kernel

148s

Max time network

123s

Command Line

C:\Windows\Explorer.EXE

Signatures

Xloader

loader xloader

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

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 2972 set thread context of 3032 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 3032 set thread context of 1248 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Windows\Explorer.EXE
PID 2856 set thread context of 1248 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\Explorer.EXE

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Windows\SysWOW64\chkdsk.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\chkdsk.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2972 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 2972 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 2972 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 2972 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 2972 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 2972 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 2972 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 1248 wrote to memory of 2856 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\chkdsk.exe
PID 1248 wrote to memory of 2856 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\chkdsk.exe
PID 1248 wrote to memory of 2856 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\chkdsk.exe
PID 1248 wrote to memory of 2856 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\chkdsk.exe
PID 2856 wrote to memory of 2724 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2724 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2724 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2724 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe

"C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe"

C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe

"{path}"

C:\Windows\SysWOW64\chkdsk.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe"

Network

N/A

Files

memory/2972-0-0x0000000074250000-0x00000000747FB000-memory.dmp

memory/2972-1-0x0000000002250000-0x0000000002290000-memory.dmp

memory/2972-2-0x0000000074250000-0x00000000747FB000-memory.dmp

memory/2972-3-0x0000000074250000-0x00000000747FB000-memory.dmp

memory/2972-4-0x0000000002250000-0x0000000002290000-memory.dmp

memory/3032-5-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3032-6-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3032-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3032-9-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3032-11-0x0000000000A20000-0x0000000000D23000-memory.dmp

memory/2972-10-0x0000000074250000-0x00000000747FB000-memory.dmp

memory/1248-14-0x0000000003F00000-0x0000000004100000-memory.dmp

memory/3032-15-0x0000000000210000-0x0000000000221000-memory.dmp

memory/1248-16-0x0000000006EC0000-0x0000000006FE3000-memory.dmp

memory/3032-13-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2856-17-0x0000000000090000-0x0000000000097000-memory.dmp

memory/2856-18-0x0000000000090000-0x0000000000097000-memory.dmp

memory/2856-19-0x00000000000A0000-0x00000000000C9000-memory.dmp

memory/2856-20-0x0000000002330000-0x0000000002633000-memory.dmp

memory/2856-21-0x00000000000A0000-0x00000000000C9000-memory.dmp

memory/2856-23-0x0000000002230000-0x00000000022C0000-memory.dmp

memory/1248-25-0x0000000006EC0000-0x0000000006FE3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 03:46

Reported

2024-04-03 03:49

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

147s

Command Line

C:\Windows\Explorer.EXE

Signatures

Xloader

loader xloader

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 776 set thread context of 4124 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe
PID 4124 set thread context of 3576 N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe C:\Windows\Explorer.EXE
PID 1192 set thread context of 3576 N/A C:\Windows\SysWOW64\NETSTAT.EXE C:\Windows\Explorer.EXE

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious use of UnmapMainImage

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

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe

"C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe"

C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe

"{path}"

C:\Windows\SysWOW64\NETSTAT.EXE

"C:\Windows\SysWOW64\NETSTAT.EXE"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\(RG25LGSJ).exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 24.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 www.inmobiliarianelecasa.com udp
US 8.8.8.8:53 www.shinei-ako-recruit.com udp
JP 153.122.117.224:80 www.shinei-ako-recruit.com tcp
US 8.8.8.8:53 224.117.122.153.in-addr.arpa udp
US 8.8.8.8:53 www.inemilia.com udp
FR 213.186.33.5:80 www.inemilia.com tcp
US 8.8.8.8:53 5.33.186.213.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 www.kare-furniture.com udp
US 3.33.130.190:80 www.kare-furniture.com tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 8.8.8.8:53 www.things4cars.xyz udp
US 8.8.8.8:53 www.finvi.guru udp
US 8.8.8.8:53 www.sukiller.com udp
US 35.186.223.180:80 www.sukiller.com tcp
US 8.8.8.8:53 180.223.186.35.in-addr.arpa udp
US 8.8.8.8:53 www.hitsduo.com udp
US 8.8.8.8:53 www.642541.com udp
US 8.8.8.8:53 www.hottorchlighter.com udp
US 8.8.8.8:53 www.pacelicensedelectrician.com udp
US 104.21.76.227:80 www.pacelicensedelectrician.com tcp
US 8.8.8.8:53 227.76.21.104.in-addr.arpa udp
US 8.8.8.8:53 www.himalayanwanderwoods.com udp
US 50.87.253.17:80 www.himalayanwanderwoods.com tcp
US 8.8.8.8:53 17.253.87.50.in-addr.arpa udp
US 8.8.8.8:53 www.everythingsamsung.com udp
US 8.8.8.8:53 www.icpbunny.com udp
US 104.21.47.251:80 www.icpbunny.com tcp
US 8.8.8.8:53 251.47.21.104.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/776-0-0x0000000074E20000-0x00000000753D1000-memory.dmp

memory/776-2-0x0000000000E10000-0x0000000000E20000-memory.dmp

memory/776-1-0x0000000074E20000-0x00000000753D1000-memory.dmp

memory/776-3-0x0000000074E20000-0x00000000753D1000-memory.dmp

memory/776-4-0x0000000000E10000-0x0000000000E20000-memory.dmp

memory/776-5-0x0000000000E10000-0x0000000000E20000-memory.dmp

memory/4124-6-0x0000000000400000-0x0000000000429000-memory.dmp

memory/776-8-0x0000000074E20000-0x00000000753D1000-memory.dmp

memory/4124-9-0x0000000001460000-0x00000000017AA000-memory.dmp

memory/4124-12-0x0000000001940000-0x0000000001951000-memory.dmp

memory/4124-11-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3576-13-0x0000000007B70000-0x0000000007CF2000-memory.dmp

memory/1192-16-0x00000000001C0000-0x00000000001E9000-memory.dmp

memory/1192-15-0x00000000007E0000-0x00000000007EB000-memory.dmp

memory/1192-14-0x00000000007E0000-0x00000000007EB000-memory.dmp

memory/1192-17-0x0000000000CF0000-0x000000000103A000-memory.dmp

memory/1192-18-0x00000000001C0000-0x00000000001E9000-memory.dmp

memory/1192-19-0x0000000000AD0000-0x0000000000B60000-memory.dmp

memory/3576-21-0x0000000007B70000-0x0000000007CF2000-memory.dmp

memory/3576-24-0x0000000008360000-0x0000000008474000-memory.dmp

memory/3576-25-0x0000000008360000-0x0000000008474000-memory.dmp

memory/3576-28-0x0000000008360000-0x0000000008474000-memory.dmp