Malware Analysis Report

2024-11-30 22:14

Sample ID 241120-2pg28avcnd
Target de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
SHA256 de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038
Tags
xloader kqna 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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038

Threat Level: Known bad

The file de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe was found to be: Known bad.

Malicious Activity Summary

xloader kqna discovery loader rat

Xloader

Xloader family

Xloader payload

Loads dropped DLL

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Enumerates physical storage devices

NSIS installer

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 22:45

Signatures

Unsigned PE

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

NSIS installer

installer
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

2024-11-20 22:45

Reported

2024-11-20 22:47

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"

Signatures

Xloader

loader xloader

Xloader family

xloader

Xloader payload

rat
Description Indicator Process Target
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\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2824 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
PID 2824 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
PID 2824 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
PID 2824 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
PID 2824 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
PID 2824 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe
PID 2824 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe

Processes

C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe

"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"

C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe

"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"

Network

N/A

Files

\Users\Admin\AppData\Local\Temp\nso5EA5.tmp\oirygpbyia.dll

MD5 6d2a0ca8aac6594e4f037d3cecdace3b
SHA1 2fdc815752d2483ae536ed60dd2104b0e5cc2abd
SHA256 f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468
SHA512 cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee

memory/2824-8-0x0000000010009000-0x000000001000B000-memory.dmp

memory/2688-9-0x0000000000400000-0x0000000000429000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 22:45

Reported

2024-11-20 22:47

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe

"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"

C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe

"C:\Users\Admin\AppData\Local\Temp\de9346a05ac03dfd26e1d83046c07fb84540b26b6c4b6b8c06f29b5d34f21038.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1248 -ip 1248

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 948

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nslADB6.tmp\oirygpbyia.dll

MD5 6d2a0ca8aac6594e4f037d3cecdace3b
SHA1 2fdc815752d2483ae536ed60dd2104b0e5cc2abd
SHA256 f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468
SHA512 cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee

memory/1248-8-0x0000000010009000-0x000000001000B000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-20 22:45

Reported

2024-11-20 22:47

Platform

win7-20241023-en

Max time kernel

116s

Max time network

17s

Command Line

C:\Windows\Explorer.EXE

Signatures

Xloader

loader xloader

Xloader family

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 472 set thread context of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2464 set thread context of 1192 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\Explorer.EXE
PID 2176 set thread context of 1192 N/A C:\Windows\SysWOW64\wuapp.exe C:\Windows\Explorer.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wuapp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\wuapp.exe N/A
N/A N/A C:\Windows\SysWOW64\wuapp.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wuapp.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 772 wrote to memory of 472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 472 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 472 wrote to memory of 2464 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1192 wrote to memory of 2176 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1192 wrote to memory of 2176 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1192 wrote to memory of 2176 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1192 wrote to memory of 2176 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1192 wrote to memory of 2176 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1192 wrote to memory of 2176 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1192 wrote to memory of 2176 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 2176 wrote to memory of 2320 N/A C:\Windows\SysWOW64\wuapp.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2320 N/A C:\Windows\SysWOW64\wuapp.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2320 N/A C:\Windows\SysWOW64\wuapp.exe C:\Windows\SysWOW64\cmd.exe
PID 2176 wrote to memory of 2320 N/A C:\Windows\SysWOW64\wuapp.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1

C:\Windows\SysWOW64\wuapp.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\rundll32.exe"

Network

N/A

Files

memory/472-0-0x0000000010009000-0x000000001000B000-memory.dmp

memory/2464-1-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2464-2-0x00000000021B0000-0x00000000024B3000-memory.dmp

memory/2464-5-0x0000000000170000-0x0000000000181000-memory.dmp

memory/2464-4-0x0000000000400000-0x0000000000429000-memory.dmp

memory/1192-6-0x00000000050B0000-0x000000000524C000-memory.dmp

memory/2176-8-0x0000000000180000-0x000000000018B000-memory.dmp

memory/2176-7-0x0000000000180000-0x000000000018B000-memory.dmp

memory/2176-9-0x00000000000E0000-0x0000000000109000-memory.dmp

memory/1192-10-0x00000000050B0000-0x000000000524C000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-20 22:45

Reported

2024-11-20 22:47

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

97s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2344 wrote to memory of 2272 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2344 wrote to memory of 2272 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2344 wrote to memory of 2272 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 3624 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 3624 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 3624 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oirygpbyia.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/2272-0-0x0000000010009000-0x000000001000B000-memory.dmp